Optimization of deposition efficiency for airblast sprayers

Transactions of the American Society of Agricultural Engineers

Volumn 43, Issue 2, 2000, Pages 247-253

  Salyani, M ^a,b  

^a ASAE ^*  (United States)

^b UNIVERSITY OF FLORIDA   (United States)

Author keywords

Colorimetry; Core; Deposition; Disc; Nozzle; Speed; Spray

Indexed keywords

AIRBLAST SPRAYERS; COPPER COLORIMETRY; DEPOSITION EFFICIENCY; VOLUME RATES;

COLORIMETRY; COPPER; DEPOSITION; EFFICIENCY; FLOW OF FLUIDS; MECHANICAL VARIABLES CONTROL; NOZZLES; VELOCITY;

SPRAY GUNS;

DEPOSITION; OPTIMIZATION; SPRAYING;

EID: 0034163649     PISSN: 00012351     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

1. Akesson, N. B., and R. E. Gibbs. 1990. Pesticide drop size as a function of spray atomizers and liquid formulations. Pesticide Formul. & Applic. Syst. 10: 170-183. ASTM STP 1078. West Conshohocken, Pa.: Am. Society for Testing and Materials.
2. Bouse, L. F. 1994. Effect of nozzle type and operation on spray droplet size. Transactions of the ASAE 37(5): 1389-1400.
3. Carman, G. E. 1977. Evaluation of citrus sprayer units with air towers. Citrograph 62: 134-139.
4. Cooke, B. K., P. J. Herrington, K. G. Jones, and N. G. Morgan. 1976. Spray deposit cover and fungicide distribution obtained by low and ultralow volume spraying of intensive apple trees. Pesticide Sci. 7: 35-40.
5. Derksen, R. C., and R. L. Gray. 1995. Deposition and air speed patterns of air-carrier apple orchard sprayers. Transactions of the ASAE 38(14): 5-11.
6. Fox, R. D., R. D. Brazee, D. L. Reichard, and F. R. Hall. 1990. Downwind residue from air spraying of a dwarf apple orchard. Transactions of the ASAE 33(4): 1104-1108.
7. Giles, D. K. 1997. Independent control of liquid flow rate and spray droplet size from hydraulic atomizers. Atomiza. & Sprays 7: 161-181.
8. Hoffmann, W. C., and M. Salyani. 1996. Spray deposition on citrus canopies under different meteorological conditions. Transactions of the ASAE 39(1): 17-22.
9. Ozkan, H. E., D. L. Reichard, and J. S. Sweeney. 1992. Droplet size distributions across the fan patterns of new and worn nozzles. Transactions of the ASAE 35(4): 1097-1102.
10. Pergher, G., and R. Gubiani. 1995. The effect of spray application rate and airflow on foliar deposition in a hedgerow vineyard. J. Agric. Eng. Res. 61: 205-216.
11. Peterson, D. L., and H. W. Hogmire. 1994. Tunnel sprayer for dwarf fruit trees. Transactions of the ASAE 37(3): 709-715.
12. Raisigl, U., H. Felber, W. Siefried, and C. Krebs. 1991. Comparison of different mistblowers and volume rates for orchard spraying. In Air-assisted Spraying in Corp Protection, 185-197. British Crop Protection Council Monograph No. 46, Croydon, UK: British Crop Protection Council.
13. Reichard, D. L., H. J. Retzer, L. A. Liljedahl, and F. R. Hall. 1977. Spray droplet size distributions delivered by air blast orchard sprayers. Transactions of the ASAE 20(2): 232-237, 242.
14. Salyani, M. 1988. Droplet size effect on spray deposition efficiency of citrus leaves. Transactions of the ASAE 31 (6): 1680-1684.
15. _. 1999. Spray volume rate errors in intermittent operation of hydraulic nozzles. Applied Engineering in Agriculture 15(1): 31-34.
16. Salyani, M., and R. P. Cromwell. 1992. Spray drift from ground and aerial applications. Transactions of the ASAE 35(4): 1113-1120.
17. Salyani, M., and R. D. Fox. 1999. Evaluation of spray quality by oil and water-sensitive papers. Transactions of the ASAE 42(1): 37-43.
18. Salyani, M., and W. C. Hoffmann. 1996. Air and spray distribution from an air-carrier sprayer. Applied Engineering in Agriculture 12(5): 539-545.
19. Salyani, M., C. W. McCoy, and S. L. Hedden. 1988. Spray volume effects on deposition and citrus rust mite control. Pesticide Formula. & Applic. Syst. 8: 254-263. ASTM STP 980. West Conshohocken, Pa.:Am. Society for Testing and Materials.
20. Salyani, M., and C. W. McCoy. 1989. Deposition of different spray volumes on citrus trees. Proc. Fla. State Hort. Soc. 102: 32-36.
21. Salyani, M., and J. D. Whitney. 1988. Evaluation of methodologies for filed studies of spray deposition. Transactions of the ASAE 31(2): 390-395.
22. _. 1990. Ground speed effect on spray deposition inside citrus trees. Transactions of the ASAE 33(2): 361-366.
23. SAS Institute, Inc. 1990. SAS User Guide: Statistics, Ver. 6 Ed. Cary, N.C.: SAS Institute, Inc.
24. Whitney, J. D., S. L. Hedden, D. B. Churchill, and R. P. Cromwell. 1986. Performance characteristics of pto airblast sprayers for citrus. Proc. Fla. State Hort. Soc. 99: 59-65.
25. Womac, A. R., and W. E. Hart. 1994. Atomization of oil and water sprays with air-assisted nozzles. ASAE Paper No. 94-1023. St Joseph, Mich.: ASAE.
26. Yates, W. E., R. E. Cowden, and N. B. Akesson. 1985. Drop size spectra from nozzles in high-speed airstreams. Transactions of the ASAE 28(2): 405-410, 414.