Effects of polymer composition and viscosity on droplet size of recirculated spray solutions

Journal of Agricultural and Engineering Research

Volumn 67, Issue 1, 1997, Pages 35-45

  Zhu, H ^a   Dexter, R W ^b   Fox, R D ^c   Reichard, D L ^c   Brazee, R D ^c   Ozkan, H E ^a  

^a OHIO STATE UNIVERSITY   (United States)

^b PFIZER INC   (United States)

^c AGRICULTURAL RESEARCH SERVICE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001911960     PISSN: 00218634     EISSN: None     Source Type: Journal    
DOI: 10.1006/jaer.1997.0151     Document Type: Article

References (28)

1. EPA Pesticides industry sales and usage. 1992 and 1993 Market Estimates. 733-k-94-001 June 1994
2. Byrd B C; Seymour K G Wind tunnel studies of thickened and particulate sprays. ASAE Paper No. 64-609D. St. Joseph, Mich.: ASAE 1964
3. Yates W E; Akesson N B; Bayer D Effects of spray adjuvants on drift hazards. Transactions of the ASAE 1976,19(1), 41-46
4. Gratkowski H; Stewart R Aerial spray adjuvants for herbicidal drift control. USDA Forest Service General Technical Report PNW-3. Pacific Northwest Forest and Range Exp. Sta., Portland, OR. 1973
5. Haq K; Akesson N B; Yates W E Analysis of droplet spectra and spray recovery as a function of atomizer type and fluid physical properties. Pesticide Formulations and Application Systems: 3rd Volume, ASTM STP 828 (Kaneko, T.M. and Akesson, N.B. eds), pp. 67-82. Philadelphia, PA: American Society for Testing and Materials, 1982
6. Salyani M; Cromwell R P Adjuvants to reduce drift from handgun spray applications. Pesticide Formulations and Application Systems: 12th Volume, ASTM STP 1146, (Devisetty, B. N., Chasin, D. G. and Berger, P. D. eds), pp. 363-376. Philadelphia, PA: American Society for Testing and Materials, 1992
7. Hewitt A J; Huddleston E W; Sanderson R; Ros J B Effect of adjuvants and formulations on aerial spray drift potential. Pesticide Science 1993, 37(2), 209-211
8. Miller P C H; Butler M C; Tuck C R The influence of adjuvants on droplet production. Proceedings of Fourth International Symposium on Adjuvants for Agrichemicals. (Gaskin, R. E. ed.), pp. 95-102. Melbourne, Australia 1995
9. Ozkan H E; Reichard D L; Zhu H; Ackerman K D Effect of drift retardant chemicals on spray drift, droplet size and spray pattern. ASAE Paper No. 921613. St. Joseph, Michigan: 1992
10. Bouse L F; Carlton J B; Jank P C Effect of water soluble polymers on spray droplet size. Transactions of the ASAE 1988, 31(6), 1633-1641, 1648
11. Chapple A C; Downer R A; Hall F R The effect of spray adjuvants on swath patterns and droplet spectra. Crop Protection 1993, 12(8), 579-590
12. Reichard R D; Zhu H; Downer R A; Fox R D; Brazee R D; Ozkan H E; Hall F R A system to evaluate shear effects on spray drift retardant performance. Transactions of the ASAE 1996, 39(6), pp. 1993-1999
13. Bird R B; Armstrong R C; Hassager O Dynamics of polymeric liquids. Vol.1. Fluid Mechanics, New York:Wiley-Interscience, 1987
14. Mansour A; Chigier N Air-blast atomization of non-newtonian liquids. Journal of Non-Newtonian Fluid Mechanics 1995, 58, 161-194
15. Hermansky C G; Krause G F Relevant physical property measurements for adjuvants. Proceedings of Fourth International Symposium on Adjuvants for Agrichemicals. (Gaskin, R. E. ed.), pp. 132-137. Melbourne, Australia 1995
16. Dexter R W Measurement of extensional viscosity of polymer solutions and its effects on atomization from a spray nozzle. Atomization and Sprays 1996, 6(2), 167-191
17. Reichard D L; Zhu H A system to measure viscosities of spray solutions at high shear rates. Pesticide Science 1996, 47(2), 137-143
18. Smith A Adjuvants in crop protection (AGROW Business Report DS 86). Richmond, Surrey: PJB Publications Ltd. 1993
19. Durst F; Haas R; Kaczmar B U Flows of dilute hydrolysed polyacrylamide solutions in porous media under various solvent conditions. Journal of Applied Polymer Science 1981, 26, 3125-3149
20. Bachalo W D; Houser M J Phase/Doppler spray analyzer for simultaneous measurement of drop size and velocity distributions. Optical Engineering 1984, 23(5), 583-590
21. Elliot J G; Wilson B J The influence of weather on the efficiency and safety of pesticide application-the drift of herbicides. BCPC Occasional Publication, No. 3. pp. 135. Croydon UK: BCPC Publications, 1983
22. Zhu H; Reichard D L; Fox R D; Brazee R D; Ozkan H E Simulation of drift of discrete sizes of water droplets from field sprayers. Transactions of the ASAE 1994, 37(5), 1401-1407
23. Durst F; Haas R Elongational flow with polymer solutions: a theoretical model and its experimental verification. Rheological Acta 1981, 20, 179-192
24. MacWilliams D C Polymer Science and Technology. Vol. 2. (Norman Bikales, ed.) New York:Plenum, 1973
25. Lim T; Uhl J T; Prud'homme R K The interpretation of screen-factor measurements. SPE Reservoir Engineering 1986, 1(3), 272-276
26. Odell J A; Keller A; Rabin Y Flow induced scission of isolated macromolecules. Journal of Chemical Physics 1988, 88(6), 4022-4025
27. Farinato R S; Yen W S Polymer degradation in porous media flow. Journal of Applied Polymer Science 1987, 33, 2353-2368
28. Zhu H; Brazee R D; Reichard D L; Fox R D; Krause C R; Chapple A C Fluid velocity and shear in ellipticorifice spray nozzles. Atomization and Sprays 1995, 5(3), 343-356