Research Interests:

 Investigating the interactions between droplet impaction, retention, reflection & deposition and physical properties (especially dynamic surface tension) in relation to spray application technology.
 

Education:

 1981-84 University of Nottingham, (School of Agriculture, Sutton Bonington, Leics, England)
Upper Second Class (with Honors) B.Sc. in Agricultural Zoology. (Economic Entomology, Plant Pathology & Agronomy)
 

Recent Publications:

 Bechtel, S.E., Cooper, J.A., Forest, M.G., Petersson, N.A., Reichard, D.L., Saleh, A., and Venkataraman, V. (1995) A New Model to determine Dynamic Surface Tension and Elongational Viscosity using Oscillating Jet measurements. Journal of Fluid Mechanics 293379-403.

 Brazee, R.D., Bukovac, M.J., Cooper, J.A., Zhu, H., Reichard, D.L., and Fox, R.D. (1994) Surfactant Diffusion and Dynamic Surface Tension in Spray Solutions. Transactions of the ASAE 37(1):51-58.

 Bukovac, M.J., Leon, J.M., Cooper, J.A., Whitmoyer, R.E., Reichard, D.L., and Brazee, R.D. (1995) Spray Droplet:Plant Surface Interaction and Deposit Formation as related to Surfactants and Spray Volume. Fourth International Symposium on Adjuvants for Agrochemicals, Melbourne, Australia, 3-6 October 1995 (FRI Bulletin No. 193) 177-185.

 Cooper, J.A., and Hall, F.R. (1993) Effect of surface tension on the retention of various pesticides by apple leaves. Journal of Environmental Science and Health, B(28) (5) 487-503.

 Downer, R.A., Cooper, J.A., Chapple, A.C., Hall, F.R., Reichard, D.L., and Zhu, H. The Effect of Dynamic Surface Tension and High Shear Viscosity on Droplet Size Distributions produced by a Flat Fan Nozzle. Pesticide Formulations and Application Systems: 14thVolume, ASTM STP 1234

 Hall, F.R. , Cooper, J.A. and Ferree D.C. (1991) Orchard Geometry and Pesticide Placement BCPC MONO. No. 46 Air-Assisted Spraying in Crop Protection 171-176.

 Hall, F.R., Cooper, J.A., Kirchner, L.M., Downer, R.A., and Thacker, J.R.M., (1995) Assessment of Off-Target Movement of Orchard Pesticides:Capture Efficiencies of Synthetic and Biological Biomarkers. Journal of Environmental Science and Health

Hall, F.R., Downer, R.A, Cooper, J.A., Ebert, T.A, and Ferree D.C. (1997) Changes in Spray Retention on Apple Leaves during a Growing Season. (HortScience in press).

 Reichard, D.L., Cooper, J.A., Bechtel, S.E., and Fox, R.D. (1997) A System for determining Dynamic Surface Tension, using the Oscillating Jet Technique. Atomization and Sprays (7) 219-33.