Lift-generated vortex wakes of subsonic transport aircraft

Progress in Aerospace Sciences

Volumn 35, Issue 6, 1999, Pages 507-660

  Rossow, Vernon J ^a  

^a NASA AMES RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACCIDENT PREVENTION; AIRCRAFT LANDING; BUOYANCY; HAZARDS; LIFT; SUBSONIC FLOW; TAKEOFF; VORTEX FLOW; WAKES;

WAKE-VORTEX HAZARDS;

TRANSPORT AIRCRAFT;

EID: 0032646633     PISSN: 03760421     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0376-0421(99)00006-8     Document Type: Article

References (233)

1. McGowan WA. Calculated normal load factors on light airplanes traversing the trailing vortices of heavy transport airplanes. NASA TN D-829, May 1961.
2. Hinton DA. Aircraft vortex spacing system (AVOSS) concept and development. In: Credeur L, Perry RB, editors. Proceedings of the NASA First Wake Vortex Dynamic Spacing Workshop, Langley Research Center, Hampton, VA, NASA/CP-97-206235, May 13-15, 1997, p. 11-22.
3. Bleviss ZO. Theoretical analysis of light plane landing and take-off accidents due to encountering the wakes of large airplanes. Report SM-18647, Douglas Aircraft Co., Inc., Santa Monica, CA, 1954.
4. Kraft Jr CC. Flight measurements of the velocity distribution and persistence of the trailing vortices of an airplane. NACA TN 3377, March 1955.
5. Rose R, Dee FW. Aircraft vortex wakes and their effects on aircraft. Tech. Note No. Aero. 2934, British Royal Aircraft Establishment, December 1963.
6. Robinson GH, Larson RR. A flight evaluation of methods for predicting vortex wake effects on trailing aircraft. NASA TN D-6904, November 1972.
7. Wetmore JW, Reeder JP. Aircraft vortex wakes in relation to terminal operations. NASA TN D-1777, April 1963.
8. Zwieback EL. Trailing vortices of jet transport aircraft during takeoff and landing. AIAA J Aircraft 1964;1(5):308-10.
9. Lamb, Sir Horace. Hydrodynamics, 6th ed. New York: Dover, 1945.
10. Rossow VJ, Corsiglia VR, Schwind RG, Frick JKD, Lemmer OJ. Velocity and rolling-moment measurements in the wake of a swept-wing model in the 40- by 80-foot Wind Tunnel. NASA TM X-62,414, April 1975.
11. Jacobsen RA, Drinkwater III FJ. Exploratory flight investigation of aircraft response to the wing vortex wake generated by the augmentor wing jet STOL research aircraft. NASA TM X-62, 387, May 1975.
12. Garodz LJ, Schutz CM. Analysis of low atmospheric density wake turbulence characteristics for jet transport category aircraft, FAA Data Report, Project 177-621-04X, February 1968, NAFEC, Alantic City, New Jersey.
13. Garodz LJ. Measurements of the vortex wake character-istics of the Boeing 747, Lockheed C5A and other aircraft. FAA Data Report Project 177-621-03X, April 1970, NAFEC, Atlantic City, New Jersey.
14. Garodz LJ. Investigation of the relatively long time-history characteristics of the CV-880 airplane in terminal area-type flight operations. FAA Data Report Project 504-303-03X, November 1970, NAFEC, Atlantic City, New Jersey.
15. Garodz LJ. Measurements of Boeing 747, Lockheed C5A and other aircraft vortex wake characteristics by tower fly-by techniques. In: Olsen JH, Goldburg A, Rogers M, editors. Aircraft wake turbulence and its detection, 1st ed. New York: Plenum Press, 1971, p. 265-285.
16. Garodz LJ. Federal aviation administration full-scale aircraft vortex wake turbulence flight test investigations: past, present, future, AIAA Paper 71-97, New York, 1971.
17. Garodz LJ, Lawrence DM, Miller NJ. The measurement of the Boeing 747 trailing vortex system using the tower fly-by technique. FAA-RD-73-156. NAFEC, Atlantic City, NJ, June 1974.
18. Garodz LJ, Lawrence DM, Miller NJ. The measurement of the Boeing 727 trailing vortex system using the tower fly-by technique. FAA-RD-74-90, NAFEC, Atlantic City, NJ, August 1974.
19. Garodz LJ, Lawrence DM, Miller NJ. The measurement of the McDonnell-Douglas DC-9 trailing vortex system using the tower fly-by Technique, FAA-RD-74-173, NAFEC, Atlantic City, NJ, November 1974.
20. Garodz LJ, Lawrence DM, Miller NJ. The measurement of the Boeing 707 trailing vortex system using the tower fly-by technique, FAA-RD-75-15, NAFEC, Atlantic City, NJ, March 1975.
21. Garodz LJ, Lawrence DM, Miller NJ. Measurement of the trailing vortex systems of large transport aircraft using tower fly-by and flow visualization (summary, comparison and application). FAA-RD-75-127, NAFEC, Atlantic City, NJ, May 1975.
22. Kuechemann D, editor. Progress in Aeronautical Sciences, vol. 7. London, England: Pergamon Press Ltd., 1966.
23. Olsen JH, Goldburg A, Rogers M, editors. Aircraft wake turbulence and its detection, New York: Plenum Press, 1971.
24. Credeur L, Perry RB, editors. Proceedings of the NASA First Wake Vortex Dynamic Spacing Workshop. Langley Research Center, Hampton, VA, NASA/CP-97-206235, May 13-15, 1997.
25. Gessow A, editor. NASA Symposium on Wake Vortex Minimization. NASA SP-409, 1976.
26. Hall MG. Vortex breakdown. Ann Rev Fluid Mech 1972;4:195-218.
27. Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference. Report No. FAA-RD-77-68, U.S. Dept. of Transportation, March 15-17, 1977.
28. Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference - vol. 1 and 2, U.S. Dept. of Transportation, Federal Aviation Admin., DOT/FAA/SD-92/1.1, DOT-VNTSC-FAA-92-7.1, Washington, DC, October 29-31, 1991.
29. Meier GEA. Chairman, AGARD 78th Fluid Dynamics Panel Symposium on The Characterization and Modification of Wakes From Lifting Vehicles in Fluids, Conference Proceedings 584, Trondheim, Norway, 20-23 May 1996.
30. Wood WD, editor. FAA/NASA Proceedings Workshop on Wake Vortex Alleviation and Avoidance, Report No. FAA-RD-79-105, U.S. Dept. of Transportation, November 28-29, 1978. p. 1-1 to 1-42.
31. Delery JM. Physics of vortical flows. AIAA J Aircraft 1992;29(5):856-76.
32. Donaldson CduP, Bilanin AJ. Vortex wakes of conventional aircraft, AGARDograph No. 204, May 1975.
33. El-Ramly Z. Aircraft trailing vortices - a survey of the problem. Technical Kept. ME/A72-1, Carlton University, Ottawa, Canada, November 1972.
34. Saffman PG. Vortex interactions. Ann Rev Fluid Mech 1979;11:95-122.
35. Spalart PR. Airplane trailing vortices. Ann Rev Fluid Mech (Palo Alto, CA) 1998;30:107-38.
36. Widnall SE. The structure and dynamics of vortex filaments. Ann Rev Fluid Mech (Palo Alto, CA) 1975;7:141-65.
37. Vyshinsky VV (Project Mgr). Investigation of vortex wake evolution and flight safety problems - collection of papers. Trudy TsAGI, vol. 2627, Publishing Dept. of TsAGI, Moscow, Russia, 1997.
38. Van Dyke M. An album of fluid motion. Stanford, CA: The Parabolic Press, 1982.
39. Hallock JN. Aircraft wake vortices - an annotated bibliography (1923-1975). Report FAA-RD-76-43, U.S. Dept. of Transportation, January 1976.
40. Hallock JN. Aircraft wake vortices: an annotated bibliography (1923-1990), Report DOT-FAA-RD-90-30, DOT-VNTSC-FAA-90-7, U.S. Dept. of Transportation, John A. Volpe National Transportation Systems Center, Cambridge, MA, January 1991.
41. Leishman JG, Bagai A. Challenges in understanding the vortex dynamics of helicopter rotor wakes. AIAA J 1998;36(7):1130-40.
42. McAlister KW. Measurements in the near wake of a hovering rotor. AIAA Paper 96-1958, 27th AIAA Fluid Dynamics Conference, New Orleans, LA, June 17-20, 1996.
43. McCroskey WJ. Vortex wakes of rotorcraft. AIAA Paper 95-0530, AIAA 33rd Aero Sciences Meeting and Exhibit, Reno, NV, January 9-12, 1995.
44. Andrews WH, Robinson GH, Larson RR. Aircraft Response to the Wing Trailing Vortices Generated by Large Jet Transports. NASA Aircraft Safety and Operating Problems, vol. I, NASA SP-270, May 1971, p. 115-26.
45. Andrews WH. Flight evaluation of the wing vortex wake generated by large jet transports. In: Olsen JH, Goldburg A, Rogers M, editors. Aircraft wake turbulence and its detection, 1st Ed. New York: Plenum Press, 1971, p. 287-8.
46. Andrews WH, Robinson GH, Larson RH. Exploratory flight investigation of aircraft response to the wing vortex wake generated by jet transport aircraft. NASA TN D-6655, March 1972.
47. Bisgood PL, Maltby RL, Dee FW. Some work on the behaviour of vortex wakes at the royal aircraft establishment, Royal Aircraft Establishment Tech Memo 1244, August 1970.
48. Bisgood PL. In-flight studies of vortex wakes, 1970-73. Establishment Tech Memo 1554, November 1973.
49. Crow SC. Stability theory for a pair of trailing vortices. AIAA J 1970;8(12):2172-9.
50. Garodz LJ, Clawson KL. Vortex wake characteristics of B-757-200 and B-767-200 aircraft using the tower fly-by technique; vols. 1 and 2. NOAA Technical Memorandum ERL ARL-199, NOAA Environmental Research Laboratories, Air Resources Laboratory, Silver Spring, MD, January 1993.
51. Hoffman ER, Joubert PN. Turbulent line vortices. J Fluid Mech. 1963;16 (Part 3):395-411.
52. McCormick BW, Tangler JL, Sherrieb HE. Structure of trailing vortices. AIAA J Aircraft 1968;5(3):260-7.
53. McWilliams IG. Hazard extent about aircraft trailing wake vortices-analytic approach. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference, Report No. FAA-RD-77-68, U.S. Dept. of Transportation, March 15-17, 1977, p. 23-30.
54. Sammonds RI, Stinnett Jr GW, Larsen WE. Wake vortex encounter hazard criteria for two aircraft classes. NASA TM X-73,113, June 1976. (Also FAA-RD-75-206.)
55. Smith HJ. A flight test investigation of the rolling moments induced on a T-37B airplane in the wake of a B-747 airplane. NASA TM-56031, April 1975.
56. Singh B, Kutty TM, Wentz Jr WH. Preliminary investigation of rolling moments induced by trailing vortices for several wing-tip modifications. Wichita State University Aeronautical Report 72-1, 1972.
57. Wentz Jr. WH. Evaluation of several vortex dissipators by wind tunnel measurements of vortex-induced upset loads. Wichita State University Aeronautical Report 72-3, 1972.
58. Barber MR, Hastings Jr. EC, Champine RA, Tymczyszyn JJ. Vortex attenuation flight experiments. In: Gessow A, Editor, NASA Symposium on Wake Vortex Minimization, NASA SP-409, Feburary 25-26, 1976, p. 369-403.
59. Barber MR, Tymczyszyn JJ. Wake vortex attenuation flight tests: a status report, NASA CP-2170, 1980, p. 387-408.
60. Corsiglia VR, Rossow VJ, Ciffone DL. Experimental study of the effect of span loading on aircraft wakes. AIAA J Aircraft 1976;13(12):968-73.
61. Corsiglia VR, Dunham RE. Aircraft wake-vortex minimization by use of flaps. NASA Symposium on Wake Vortex Minimization, NASA SP-409, 1976, p. 305-38.
62. Croom DR. Low-speed wind-tunnel investigation of various segments of flight spoilers as trailing-vortex-alleviation devices on a transport aircraft model. NASA TN D-8162, March 1976.
63. Croom DR. Low-speed wind-tunnel parametric investigation of flight spoilers as trailing-vortex-alleviation devices on a transport aircraft model, NASA TP-1419, 1979.
64. Nikolic VR, Jumper EJ. Attenuation of airplane wake vortices by excitation of far-field instability. AIAA 93-3511, 11th AIAA Applied Aerodynamics Conference, August 9-11, 1993, Monterey, CA.
65. Nikolic VR, Jumper EJ, Nelson RC. Modified, discrete-vortex method for studying wing-loading effects on wake dynamics. AIAA J Aircraft 1996;33(1).
66. Patterson JC, Jordan Jr FL. Thrust-augmented vortex attenuation. In: Gessow A, editor. NASA Symposium on Wake Vortex Minimization, NASA SP-409, 1976. p. 251-70.
67. Patterson JC, Hastings EC, Jordan FL. Ground development and flight correlation of the vortex attentuating spline device. In: Gessow A, editor. NASA Symposium on Wake Vortex Minimization, NASA SP-409, 1976. p. 271-303.
68. Patterson Jr JC. Exploratory wind-tunnel investigation of a wingtip-mounted vortex turbine for vortex energy recovery. NASA TP-2468, 1985.
69. Rennich SC, Lele SK. Method for accelerating the destruction of aircraft wake vortices. AIAA J Aircraft 1999;36(2):398-404.
70. Rossow VJ. Prospects for alleviation of hazard posed by lift-generated wakes. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference - vol. 1, U.S. Dept. of Transportation, Federal Aviation Admin., DOT/FAA/SD-92/1.1, DOT-VNTSC-FAA-92-7.1, Washington, DC, October 29-31, 1991. p. 22-1 to 22-40.
71. Snyder Jr MH. Effects of a wingtip-mounted propeller on wing lift, induced drag, and shed vortex pattern. Ph.D. thesis, Oklahoma State University, Stillwater, OK, May 1967.
72. Ash RL, Zheng ZC. Numerical simulations of commercial aircraft wakes subjected to airport surface weather conditions. AIAA J Aircraft 1998;35(1):18-26.
73. Cantwell B, Rott N. The decay of a viscous vortex pair. The Phys of Fluids 1988;31(11):3213-24.
74. Crow SC, Bate Jr. ER. Lifespan of trailing vortices in a turbulent atmosphere. AIAA J Aircraft 1976; 13(7):476-82.
75. Devenport WJ, Zsoldos JS, Vogel CM. The structure and development of a counter-rotating wing-tip vortex pair. J Fluid Mech 1997;332:71-104.
76. Eaton JA, O'Flaherty MP. Flowfield prediction of three-dimensional wing trailing vortices using advanced turbulence models, AGARD 78th Fluid Dynamics, Conference Proceedings 584, Panel Symposium on The Characterization and Modification of Wakes From Lifting Vehicles in Fluids, Trondheim, Norway, Conference Proceedings 584, 20-23 May 1996. Paper No. 7, p. 7-1 to 7-7.
77. Follin GJ, Devenport WJ. Effects on the turbulent structure of a counter-rotating vortex pair, AIAA Paper 96-1959, 27th AIAA Fluid Dynamics Conference, New Orleans, LA, June 17-20, 1996.
78. Kandil OA, Adam I, Wong TC. Far-field turbulent vortex-wake/exhaust plume interaction for subsonic and HSCT airplanes. Paper No. AIAA 96-1962, 27th AIAA Fluid Dynamics Conference, New Orleans, LA, June 17-20, 1996.
79. Graham JAH. Reynolds-stress measurements in a turbulent trailing vortex. J Fluid Mech 1984;147:353-71.
80. Liu H-T. Effects of ambient turbulence on the decay of a trailing vortex wake. AIAA J Aircraft 1992; 29(2):255-63.
81. Miranda JA, Devenport WJ. Turbulent structure in the spiral wake shed by a lifting wing. AIAA J 1998; 36(4):658-60.
82. Moore DW, Saffman PG. Axial flow in laminar trailing vortices. Proc Roy Soc London Ser A 1973;333:491-508.
83. Rudis RP, Burnham DC, Janota P. Wake vortex decay near the ground under conditions of strong stratification and wind shear. AGARD 78th Fluid Dynamics Panel Symposium on The Characterization and Modification of Wakes From Lifting Vehicles in Fluids, Conference Proceedings 584, Trondheim, Norway, 20-23 May 1996. Paper No. 11, p. 11-1 to 11-10.
84. Sarpkaya T, Daly JJ. Effect of ambient turbulence on trailing vortices. AIAA J Aircraft 1987;24(6):399-404.
85. Vaughan JM, Brown DW, Constant G, Eacock JR, Foord R. Structure, trajectory and strength of B-747 aircraft wake vortices measured by laser. AGARD 78th Fluid Dynamics Panel Symposium on The Characterization and Modification of Wakes From Lift-ing Vehicles in Fluids, Conference Proceedings 584, Trondheim, Norway, 20-23 May 1996. Paper No. 10, p. 10-1 to 10-10.
86. Zheng ZC. The effects of atmospheric turbulence on aircraft wake vortices. AIAA Paper No. 96-1954, 27th AIAA Fluid Dynamics Conference, New Orleans, LA, June 17-20, 1996.
87. Corsiglia VR, Schwind RG, Chigier NA. Rapid scanning, three-dimensional hot-wire anemometer surveys of win-gtip vortices. AIAA J Aircraft 1973;10(12):752-7.
88. Corsiglia VR, Rossow VJ. Wind-tunnel investigation of the effect of porous spoilers on the wake of a subsonic transport model. NASA TM X-73,091, January 1976.
89. Baker GR, Barker SJ, Bofah KK, Saffman PG. Laser anemometer measurements of trailing vortices in water. J Fluid Mech 1974;65(Part 2):325-36.
90. Ciffone DL. Correlation for estimating vortex rotational velocity downstream dependence. AIAA J Aircraft 1974;11(11):716-7.
91. Ciffone DL, Orloff KL. Far-field wake-vortex characteristics of wings. AIAA J Aircraft 1975;12(5):464-70.
92. Ciffone DL, Orloff KL. Application of laser velocimetry to aircraft wake-vortex measurements. NASA Symposium on Wake Vortex Minimization, NASA SP-409, 1976, p. 157-92.
93. Ciffone DL. Vortex interactions in multiple vortex wakes behind Aircraft. AIAA J Aircraft 1977;14(5):440-6.
94. Corsiglia VR, Jacobsen RA, Chigier N. An experimental investigation of trailing vortices behind a wing with a vortex dissipator. In: Olsen JH, Goldburg A, Rogers M, editors. Aircraft wake turbulence and its detection, Plenum Press, 1971, p. 229-42.
95. Corsiglia VR, Orloff KL. Scanning laser-velocimeter surveys and analysis of multiple vortex wakes of an aircraft. Proceedings of the Aircraft Wake Vortices Conference, March 15-17. Report FAA-RD-77-68, U.S. Dept. of Transportation, Transportation Systems Center, Cambridge, MA, 1977, p. 114-23.
96. Corsiglia VR, Iversen JD, Orloff KL. Laser-velocimeter surveys of merging vortices in a wind tunnel. AIAA J Aircraft 1978;15(11):762-8.
97. Delisi DP, Greene GC, Robins RE, Singh R. Recent laboratory and numerical trailing vortex studies, AGARD 78th Fluid Dynamics Panel Symposium on The Characterization and Modification of Wakes From Lifting Vehicles in Fluids, Conference Proceedings 584, Trondheim, Norway, 20-23 May 1996. Paper No. 34, pp. 34-1 to 34-10.
98. Liu H-T, Srnsky RA. Tow tank simulation of vortex wake dynamics. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference - vol. 1 and 2, U.S. Dept. of Transportation, Federal Aviation Admin., DOT/FAA/SD-92/1.1, DOT-VNTSC-F AA-92-7.1, Washington, DC, October 29-31, 1991. p. 32-1-26.
99. Liu H-T, Hwang PA, Srnsky RA. Physical modeling of ground effects on vortex wakes. AIAA J Aircraft 1992;29(6):1027-34.
100. Reinath MS. Doppler global velocimeter development for the large wind tunnels at Ames Research Center. NASA TM 112210, September 1997.
101. Iversen JD. Correlation of turbulent trailing vortex decay data. AIAA J Aircraft 1976;13(5):338-42.
102. Kirkman KL, Brown CE, Goodman A. Evaluation of effectiveness of various devices for attenuation of trailing vortices based on model tests in a large towing basin. NASA Contractor Report NASA CR-2202, December 1973.
103. Smith WG, Lazzeroni FA. Experimental and theoretical study of a rectangular wing in a vortical wake at low speed. NASA TN D-339, October 1960.
104. Rossow VJ, Tinling BE. Research on aircraft/vortex-wake interactions to determine acceptable level of wake intensity. AIAA J Aircraft 1988;25(4):481-92.
105. Rossow VJ. Effect of wing fins on lift-generated wakes. AIAA J Aircraft 1978;15(3):160-7.
106. Rossow VJ, Sacco JN, Askins PA, Bisbee LS, Smith SM. Measurements in 80- by 120-foot wind tunnel of hazard posed by lift-generated wakes. AIAA J Aircraft 1995;32(2):278-84.
107. Iversen JD, Bernstein S. Trailing vortex effects on following aircraft. AIAA J Aircraft 1974;11(1):60-1.
108. Nelson RC. The dynamic response of aircraft encountering aircraft wake turbulence. Tech Report AFFDL-TR-74-29, Air Force Flight Dynamics Laboratory, Wright-Patterson Air Force Base, OH, June 1974.
109. Nelson RC. Dynamic behavior of an aircraft encountering aircraft wake turbulence. AIAA J Aircraft 1976;13(9):704-8.
110. Abramson S, Burnham DC. Ground-based measurements of wake vortices from landing aircraft at Airports. AGARD 78th Fluid Dynamics Panel Symposium on The Characterization and Modification of Wakes From Lifting Vehicles in Fluids, Trondheim, Norway, Conference Proceedings 584, 20-23 May 1996. Paper No. 13, p. 13-1 to 13-7.
111. Burnham DC. Review of vortex sensor development since 1970. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference. Report No. FAA-RD-77-68, U.S. Dept. of Transportation, March 15-17, 1977, p. 47-66.
112. Burnham DC. B-747 vortex alleviation flight tests: ground-based sensor measurements. Report DOT-FAA-RD-81-99, U.S. Dept. of Transportation, February 1982.
113. Burnham DC. Wake vortex alleviation system requirements. Report DOT-TSC-FA427-PM-84-19, U.S. Dept. of Transportation, May 1984.
114. Burnham DC. Wake vortex avoidance systems: requirements analysis. Report DOT-TSC-FA527-PM-84-46, U.S. Dept. of Transportation, November 1984.
115. Burnham DC. TSC hazard model for wake vortex encounters. Report DOT-TSC-FA627-PM-86, U.S. Dept. of Transportation, November 1985.
116. Burnham DC, Hallock J. Wake vortex separation standards: analysis methods. Report DOT-VNTSC-FAA-97-4, U. S. Dept. of Transportation, Federal Aviation Administration, May 1997.
117. Condit PM, Tracy PW. Results of the Boeing company wake turbulence test program. In: Olsen JH, Goldburg A, Rogers M, editors. Aircraft wake turbulence and its detection, 1st Ed. New York: Plenum Press, 1971, p. 473-508.
118. Eisenhuth JJ, McCormick BW, Nelson RC. Analysis of experimental measurements of trailing vortex systems of large jet transport aicraft. Proceedings of the National Aerospace Electronics Conference, Dayton, OH, May 17-19, 1971, p. 28-35.
119. Kurkowski RL, Barber MR, Garodz LJ. Characteristics of wake vortex generated by a Boeing 727 jet transport during two-segment and normal ILS approach paths. NASA TN D-8222, April 1976.
120. Scorer RS, Davenport LJ. Contrails and aircraft down-wash. J Fluid Mech 1970;43(Part 3):451-64.
121. Vicroy DD, Bowles RL, Brandon JM, Greene GC, Jordan Jr. FL, Rivers RA, Stewart EC, Stough III HP, Stuever RA. NASA wake vortex research. ICAS-94-6.2.2, 19th Congress of the International Council of the Aeronautical Sciences, September 19-23, 1994, Anaheim, CA.
122. Hallock JN, Burnham DC. Decay characteristics of wake vortices from jet transport aircraft. Paper No. AIAA 97-0060, 35th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 6-10, 1997.
123. Hinton DA. Aircraft vortex spacing system (AVOSS) conceptual design. NASA TM 110184, Hampton, VA, August 1995.
124. Hinton DA. An aircraft vortex spacing system (AVOSS) for dynamical wake vortex spacing criteria. AGARD 78th Fluid Dynamics Panel Symposium on The Characterization and Modification of Wakes From Lifting Vehicles in Fluids, Conference Proceedings 584, Trondheim, Norway, 20-23 May 1996. p. 23-1-23-12.
125. Hallock JN, Burnham DC, Tombach IH, Brashears MR, Zalay AD, Barber MR. Ground-based measurements of the wake vortex characteristics of a B-747 aircraft in various configurations. AIAA Paper 77-9, January 1977.
126. Hastings Jr EC, Keyser Jr GL. Simulated vortex encounters by a twin-engine commercial transport aircraft during final approach. SAE Technical Paper 800775, May 1980 (also NASA TM-81782).
127. Johnson WA, Rediess HA. Study of control system effectiveness in alleviating vortex wake upsets. Paper No. 141, Systems Technology, Inc, Hawthorne, CA, August 1973.
128. Johnson WA, Teper GL, Rediess HA. Study of control system effectiveness in alleviating vortex wake upsets. AIAA J Aircraft 1974;11(3):148-54.
129. Sammonds RI, Stinnett Jr GW. Hazard criteria for wake vortex encounters. NASA TM X-62,473, August 1975.
130. Tinling BE. Estimation of vortex-induced roll excursions based on flight and simulation results. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference, Report No. FAA-RD-77-68, U.S. Dept. of Transportation, March 15-17, 1977. p. 11-22.
131. Tinling BE. Estimates of the effectiveness of automatic control in alleviating wake vortex induced roll excursions. NASA TM-73,267, August 1977.
132. Tinling BE. Estimation of the effect of the delayed flap approach on the wake vortex hazard. NASA TM-73,179, September 1977.
133. Streeter VL. Fluid dynamics. New York: McGraw-Hill, 1948.
134. Talay TA. Introduction to the aerodynamics of flight, NASA SP-367, 1975.
135. Rossow VJ. Estimate of loads during wing-vortex interactions by Munk's transverse-flow method. AIAA J Aircraft 1990;27(1):66-74.
136. Munk MM. Fundamentals of fluid dynamics for aircraft designers, New York: The Ronald Press Co., 1929.
137. Jones RT, Cohen D. Aerodynamics of wings at high speeds, vol. VII. In: Donovan AF, Lawrence HR. editors. High speed aerodynamics and jet propulsion-aerodynamic components of aircraft at high speeds. Princeton University, NJ: Princeton University Press, 1957.
138. Maskew B. Numerical lifting surface methods for calculating the potential flow about wings and wing-bodies of arbitrary geometry. Ph.D. Thesis, Loughborough Univ. of Tech., England, October 1972.
139. Hough G. Remarks on vortex-lattice methods. AIAA J Aircraft 1973;10(5):314-7.
140. Betz A. Verhalten von Wirbelsystem, ZAMM 1932; Bd. XII (3): 164-74. (Also available as NACA TM 713.)
141. Donaldson CduP, Sullivan RD. Decay of an isolated vortex. In: Olsen JH, Goldburg A, Rogers M, editors. Aircraft wake turbulence and its detection, 1st Ed. New York: Plenum Press, 1971, p. 389-411.
142. Donaldson CduP, Snedeker RS, Sullivan Roger D. Calculation of aircraft wake velocity profiles and comparison with experimental measurements. AIAA J Aircraft 1974;11(9):547-55.
143. Bilanin AJ, Teske ME, Donaldson CduP, Snedeker RS. Viscous effects in aircraft trailing vortices. In: Gessow A, editor, NASA Symposium on Wake Vortex Minimization, NASA SP-409, February 25-26, 1976, p. 61-128.
144. Brown CE. Aerodynamics of wake vortices. AIAA J 1973;11(4):531-6.
145. Rossow VJ. On the inviscid rolled-up structure of lift-generated vortices. AIAA J Aircraft 1973;10(11):647-50.
146. Rossow VJ. Prediction of span loading from measured wake-vortex structure - an inverse Betz method. AIAA J Aircraft 1975;12(7):626-8.
147. Rossow VJ. On extended-Betz methods for rollup of vortex sheets. AIAA J Aircraft 1997;34(5):592-9.
148. Rosenhead L. The formation of vortices from a surface of discontinuity. Proc Roy Soc London A 1931;134: 170-92.
149. Westwater FL. The rolling up of the surface of discontinuity behind an aerofoil of finite span. Aeronautical Research Council, London, Repts. and Memo. 1692, 1935. p. 116-31.
150. Rule JA, Bliss DB. Prediction of viscous trailing vortex structure from basic loading parameters. AIAA J 1998;36(2):208-18.
151. Rossow VJ. Theoretical study of lift-generated vortex wakes designed to avoid rollup. AIAA J 1975; 13(4):476-84.
152. Jones RT. The spanwise distribution of lift for minimum induced drag of wings having a given lift and a given bending moment. NACA Technical Note 2249, December 1950; see also, Collected works of Robert T. Jones. NASA TM X-3334, February 1976, p. 539-54.
153. Jones RT. The spanwise distribution of lift for minimum induced drag of wings having a given lift and a given bending moment. NACA Technical Note 2249, December 1950; see also, Collected works of Robert T. Jones. NASA TM X-3334, February 1976, p. 539-54.
154. Iversen JD, Brandt SA, Raj P. Merging distance criteria for co-rotating vortices. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference. Report No. FAA-RD-77-68, U.S. Dept. of Transportation, March 15-17, 1977, p. 161-72.
155. Iversen JD, Park S, Backhus DR, Brickman RA. Hot-wire, laser anemometer, and force balance measurements in cross-sectional planes of single and interacting trailing vortices. AIAA Paper No. 78-1194, 11th Fluid and Plasmadynamics Conference, Seattle, WA, July 10-12, 1978.
156. Bilanin AJ, Widnall SE. Aircraft wake dissipation by sinusoidal instability and vortex breakdown, AIAA Paper 73-107, 1973.
157. Jordan Jr FL. Flow visualization of the wake of a transport aircraft model with lateral-control oscillations. NASA TM 84623, June 1983.
158. McMillan OJ, Nielsen JN, Schwind RG, Dillenius MFE. Rolling moments in a trailing-vortex flow field. AIAA J Aircraft 1978;15(5):280-6.
159. Olsen JH. Results of trailing vortex studies in a towing tank. In: Olsen JH, Goldburg A, Rogers M, editors. Aircraft wake turbulence and its detection, 1st ed. New York: Plenum Press, 1971. p. 455-72.
160. Jacobsen RA, Short BJ. A flight investigation of the wake turbulence alleviation resulting from a flap configuration change on a B-747 aircraft. NASA TM-73, 263, July 1977.
161. Jacobsen RA, Barber MR. Flight test techniques for wake vortex minimization studies. In: Gessow A, editor. NASA Symposium on Wake Vortex Minimization, NASA SP-409, February 25-26, 1976, p. 193-220.
162. Zell PT, Flack K. Performance and test section flow characteristics of the National Full-Scale Aerodynamics Complex 40- by 80-foot Wind Tunnel. NASA TM 101065, February 1989.
163. Zell PT. Performance and test section flow characteristics of the National Full-Scale Aerodynamics Complex 80- by 120-foot Wind Tunnel. NASA TM 103920, January 1993.
164. Rossow VJ. Validation of vortex-lattice method for loads on wings in lift-generated wakes. AIAA J Aircraft 1995;32(6):1254-62.
165. Stickle JW, Kelly MW. Ground-based facilities for evaluating vortex minimization concepts, NASA Symposium on Wake Vortex Minimization, NASA SP-409, 1976. p. 129-55.
166. Scorer RS. Natural aerodynamics. New York: Pergamon Press, 1958.
167. Bofah KK. Some remarks on aircraft wake vortex analysis. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference. Report No. FAA-RD-77-68, U.S. Dept. of Transportation, March 15-17, 1977, p. 31-46.
168. Britton JW. Some remarks on en-route vortex encounters. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference. Report No. FAA-RD-77-68, U.S. Dept. of Transportation, March 15-17, 1977, p. 243-6.
169. Eliason BG, Gartshore IS, Parkinson GV. Wind tunnel investigation of Crow instability. AIAA J Aircraft 1975;12(12):985-8.
170. Tombach IH. Observations of atmospheric effects on vortex wake behavior. AIAA J Aircraft 1973;10(11):641-7.
171. Hackett JE, Evans PF. Numerical studies of three-dimensional breakdown in trailing vortex wakes. AIAA J Aircraft 1977;14.
172. Widnall SE, Bliss D, Zalay A. Theoretical and experimental study of the stability of a vortex pair. In: Olsen JH, Goldburg A, Rogers M, editors. Aircraft wake turbulence and its detection, 1st Ed., New York: Plenum Press, 1971. p. 305-38.
173. Bliss DB. Effect of unsteady forcing on the sinusoidal instability of vortex wakes. AIAA J Aircraft 1982; 19:713-21.
174. Gerz T, Ehret T. Wake dynamics and exhaust distribution behind cruising aircraft. AGARD 78th Fluid Dynamics Panel Symposium on The Characterization and Modification of Wakes From Lifting Vehicles in Fluids, Conference Proceedings 584, Trondheim, Norway, 20-23 May 1996. Paper No. 35, p. 35-1 to 35-12.
175. Jacob J, Savas O, Liepmann D. Trailing vortex wake growth characteristics of a high aspect ratio rectangular airfoil. AIAA J 1997;35(2):275-80.
176. Spalart PR, Wray AA. Initiation of the Crow instability by atmospheric turbulence. AGARD 78th Fluid Dynamics Panel Symposium on The Characterization and Modification of Wakes From Lifting Vehicles in Fluids, Conference Proceedings 584, Trondheim, Norway, 20-23 May 1996. Paper No. 18, p. 18-1 to 18-8.
177. Greene GC. An approximate model of vortex decay in the atmosphere. AIAA J Aircraft 1986;23(7):566-73.
178. Kantha LH. Empirical model of transport and decay of wake vortices between parallel runways. AIAA J Aircraft 1996;33(4):752-60.
179. Kantha LH. Empirical model of transport and decay of wake vortices. AIAA J Aircraft 1998;35(4):649-53.
180. Rossow VJ. Spur-type instability observed on numerically simulated vortices. AIAA J Aircraft 1988; 25(9):835-41.
181. Rossow VJ. Prospects for destructive self-induced interactions in a vortex pair. AIAA J Aircraft 1987; 24(7):433-40.
182. Rossow VJ. Wake hazard alleviation associated with roll oscillations of wake-generating aircraft. AIAA J Aircraft 1986;23(6):484-91.
183. Holbrook GT. Vortex wake hazard analysis including the effect of the encountering wing on the vortex. M.S. Thesis, George Washington Univ., Washington, DC, August 1985.
184. Rossow VJ. Experimental investigation of wing fin configurations for alleviation of vortex wakes of aircraft. NASA TM 78520, November 1978.
185. Rossow VJ, Fong RK, Wright MS, Bisbee LS. Vortex wakes of two transports measured in 80- by 120-foot Wind Tunnel. AIAA J Aircraft 1996;33(2):399-406.
186. Zimmerman CH. Characteristics of Clark-Y airfoils of small aspect ratios. NACA TR 431, 1932.
187. Moghadam MM. Experimental investigation of vortices shed by various wing fin configurations. M.S. thesis (J. D. Iversen advisor), Iowa State University, August 1979.
188. Rossow VJ. Vortex structures and span loadings from alleviated-wake measurements. AIAA Paper 97-2262, 15th AIAA Applied Aerodynamics Conference, Atlanta, GA, June 23-25, 1997.
189. Desabrais KJ, Johari H. Direct circulation measurement of a wing tip vortex using ultrasound. Paper AIAA 98-0609, AIAA 36th Aerospace Sciences Meeting and Exhibit, Reno, NV, January 12-15, 1998.
190. Barrows TM. Simplified methods of predicting aircraft rolling moments due to vortex encounters. AIAA J Aircraft 1977;14(5):434-9.
191. Filotas LT. Vortex induced wing loads. AIAA J 1972;10(7):971.
192. Flax AH. Comment on "Simplified methods of predicting aircraft rolling moments due to vortex encounters". AIAA J Aircraft 1977;14(11):1151-2.
193. Jones WP. Vortex-elliptic wing interaction. AIAA J 1972;10(2):225-7.
194. Spreiter JR, Sacks AH. The rolling up of the trailing vortex sheet and its effect on the downwash behind wings. Institute of the Aeronautical Sciences, Inc., J Aeronaut Sci 1951;18(1):21-32,72.
195. Bandyopadhyay PR, Stead DJ, Ash RL. Organized nature of a turbulent trailing vortex. AIAA J 1991;29(10):1627-33.
196. Dacles-Mariani J, Zilliac GG, Chow JS, Bradshaw P. Numerical/experimental study of a wingtip vortex in the near field. AIAA J 1995;33(9):1561-8.
197. Dacles-Mariani J, Hafez H, Kwak D. Prediction of wake-vortex flow in the near- and intermediate-fields behind wings. Paper AIAA 97-0040, AIAA 35th Aerospace Sciences Meeting and Exhibit, Reno, NV, January 6-10, 1997.
198. Han YO, Leishman JG, Coyne AJ. Measurements of the velocity and turbulence structure of a rotor tip vortex. AIAA J 1997;35(3):477-85.
199. Ramaprian BR, Zheng Y. Measurements in rollup region of the tip vortex from a rectangular wing. AIAA J 1997;35(12):1837-43.
200. Back LH. Optical and physical requirements for fluid particles marking trailing vortices from aircraft. AIAA J Aircraft 1976;13(7):483-9.
201. Zeman O. Persistence of trailing vortices: a modeling study. Phys Fluids 1995;7(1):135-43.
202. Squire HB. The growth of a vortex in turbulent flow. Aeronaut Quart 1965;XVI(Part 3):302-6.
203. Kuzmin VP. Estimation of wake-vortex separation distances for approaching aircraft. In: Vyshinsky VV (Project Mgr), Investigation of vortex wake evolution and flight safety problems - collection of papers. Trudy TsAGI, vol. 2627, Publishing Dept. of TsAGI, Moscow, Russia, 1997, p. 209-24.
204. Vatistas GH, Lin S, Kwok CK. Theoretical and experimental studies on vortex chamber flows. AIAA J 1986;24(4):635-42.
205. Vatistas GH, Lin S, Li PM. A similar profile for the tangential velocity in vortex chambers. Exp Fluids 1988;6(2):135-7.
206. Vatistas GH, Kozel V, Mih WC. A simpler model for concentrated vortices. Exp Fluids 1991;11:73-6.
207. Teske ME, Quackenbush TR, Bilanin AJ, Wachspress DA. Vortex roll-up, merging and decay with the uniwake computer program. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference - Vol. 1 and 2, U.S. Dept. of Transportation, Federal Aviation Admin., DOT/FAA/SD-92/1.1, DOT-VNTSC-F AA-92-7.1, Washington, DC, Oct. 29-31, 1991. p. 33-1-20.
208. Phillips WRC. The turbulent trailing vortex during rollup. J Fluid Mech 1981;105:451-67.
209. Proctor FH. Numerical simulation of wake vortices measured during the Idaho Falls and Memphis field programs. AIAA Paper No. 96-2496, 14th AIAA Applied Aerodynamics Conference, New Orleans, LA, June 17-20, 1996.
210. Risso F, Corjon A. Direct numerical simulations of wake vortices in intense homogeneous turbulence. AIAA J 1997;35(6):1030-40.
211. Saffman PG. Structure of turbulent line vortices. Phys. Fluids 1973;16(8):1181-8.
212. Sarpkaya T. Decay of wake vortices of large aircraft. AIAA J 1998;36(9):1671-9.
213. Rossow VJ. Measured changes in vortex wakes with downstream distance. AIAA Paper No. 98-2524, 16th AIAA Applied Aerodynamics Conference, Albuquerque, NM, June 15-18, 1998.
214. Owen PR. The decay of a turbulent trailing vortex. The Aeronaut Quart, 1970;XXI (Part 1):69-78.
215. Iversen JD. Inviscid to turbulent transition of trailing vortices. AIAA Paper No. 75-883, Hanford, CT, 1975 (also Iowa State University Report ISU-ERI-Ames 74241, November 1974).
216. Rossow VJ. Wake-vortex structure from lift and torque induced on a following wing. AIAA Paper No. 93-3013, 24th AIAA Fluid Dynamics Conference, Orlando, FL, July 6-9, 1993.
217. Bilanin AJ, Teske ME, Hirsh JE. Deintensification as a consequence of vortex breakdown. In: Hallock JN, editor. Proceedings of the Aircraft Wake Vortices Conference, Report FAA-RD-77-68, U. S. Dept. of Transportation, March 15-17, 1977, p. 283-96.
218. Lessen M, Singh P, Paillet F. The stability of a trailing line vortex, Part I: inviscid theory. J Fluid Mech 1974;63(Pt. 4):753-63.
219. Lessen M, Paillet F. The stability of a trailing line vortex, Part II: viscous theory. J Fluid Mech 1974;65(Pt. 4):769-79.
220. Zalay AD, White RPW, Balcerak JC. Investigation of viscous line vortices with and without the injection of core turbulence, RASA Rept. 74-01, February 1974, Rochester Applied Science Associates, Rochester, NY.
221. Dunham Jr. RE. Unsuccessful concepts for aircraft wake vortex minimization. NASA Symposium on Wake Vortex Minimization, NASA SP-409, 1976, p. 221-50.
222. MacCready PB. An assessment of dominant mechanisms in vortex-wake decay. In: Olsen JH, Goldburg A, Rogers M, editors. Aircraft wake turbulence and its detection, 1st ed. Plenum Press, 1971, p. 289-304.
223. Leweke T, Williamson CHK. Cooperative elliptic instability of a vortex pair. J Fluid Mech 1998;360: 85-119.
224. Crouch JD. Instability and transient growth for two trailing-vortex pairs. J Fluid Mech 1997;350:311-30.
225. Stickle JW. Wake vortex alleviation - the NASA program. In: Wood WD, editor. FAA/NASA Proceedings Workshop on Wake Vortex Alleviation and Avoidance. Report No. FAA-RD-79-105, U.S. Dept. of Transportation, November 28-29, 1978, p. 2-1-56.
226. Posluns H, editor. Proceedings of the International Wake Vortex Meeting. Ottawa, Ontario, Canada, 2-4 December 1997.
227. Stough III HP, Greene GC, Stewart EC, Stuever RA, Jordan Jr. FL, Rivers RA, Vicroy DD. NASA wake vortex research. AIAA Design, Systems and Operations Meeting, August 11-13, 1993, Monterey, CA, AIAA Paper 93-4004.
228. Spitzer EA, Hallock JN, Wood WD. Status of the Vortex Advisory System. Proceedings of the Aircraft Wake Vortices Conference, edited by Hallock JN, Report No. FAA-RD-77-68, U.S. Dept. of Transportation, March 15-17, 1977, p. 326-34.
229. Rossow VJ. Wake-vortex separation distances when flight-path corridors are constrained. AIAA J Aircraft 1996;33(3):539-46.
230. Loh R, Shively C, Swider R. Overview of the FAA's differential GPS CAT III technical feasibility demonstration program. AIAA Guidance, Navigation and Control Conference, August 9-11, 1993, Monterey, CA, AIAA Paper 93-3836-CP.
231. Cobb HS. GPS pseudolites: theory, design, and applications. SUDAAR Report 707, Stanford University, Dept. of Aeronautics and Astronautics, Palo Alto, CA, September 1996.
232. Lawrence DG. Aircraft landing using GPS: development and evaluation of a real time system for kinematic positioning using the Global Positioning System. Stanford University Dept. of Aeronautics and Astronautics, Palo Alto, CA, SUDAAR Report 690, September 1996.
233. Pervan BS. Navigation integrity for aircraft precision landing using the Global Positioning System. Stanford University Dept. of Aeronautics and Astronautics, Palo Alto, CA, SUDAAR Report 677, March 1996.