Hamid Johari, Ph.D.

Publications

Johari, H., Stein, K. and Tezduyar, T., "Impulsively Started Flow about a Rigid Parachute Canopy," to appear in Journal of Aircraft.
Desabrais, K.J. and Johari, H., "Direct Circulation Measurement of a Tip Vortex," AIAA Journal, Vol. 38, No. 10, pp. 2189-2191, 2000.
Hermanson, J.C., Dugnani, R., and Johari, H., "Structure and Flame Length of Fully-Modulated, Pulsed Diffusion Flames," Combustion Science & Technology, Vol. 155, pp. 203-225, 2000.
Johari, H., Pacheco-Tougas, M., and Hermanson, J.C., "Penetration and Mixing of Fully-Modulated Turbulent Jets in Crossflow," AIAA Journal, Vol. 37, No. 7, pp. 842-850, 1999.
Johari, H. and Moreira, J., "Direct Measurement of Delta-Wing Vortex Circulation," AIAA Journal, Vol. 36, No. 12, pp. 2195-2203, 1998.
Johari, H. and Durgin, W.W., "Direct Circulation Measurement Techniques Using Ultrasound," Experiments in Fluids, Vol. 25, No. 5/6, pp. 445-454, 1998.
Hermanson, J.C., Wahba, A., Johari, H., "Duty-Cycle Effects on Penetration of Fully Modulated, Turbulent Jets in Crossflow," AIAA Journal, Vol. 36, No. 10, pp. 1935-1937, 1998.
Johari, H. and Paduano, R., "Dilution and Mixing in an Unsteady Turbulent Jet," Experiments in Fluids, Vol. 23, No. 4, pp. 272-280, 1997.
Johari, H. and Fang, H., "Horizontal Vortex Ring Motion in Linearly Stratified Media," Physics of Fluids, Vol. 9, No. 9, pp. 2605-2616, 1997.
Johari, H., Desabrais, K.J., and Hermanson, J.C., "Experiments on Impulsively Started Jet Diffusion Flames," AIAA Journal, Vol. 35, No. 6, pp. 1012-1017, 1997.
Johari, H., Zhang, Q., Rose, M., and Bourque, S., "Impulsively Started Turbulent Jets," AIAA Journal, Vol. 35, No. 4, pp. 657-662, 1997.
Zhang, Q. and Johari, H., "Effects of Acceleration on Turbulent Jets," Physics of Fluids, Vol. 8, No. 8, pp. 2185-2195, 1996.
Johari, H. and Moriera, J., "Delta Wing Vortex Manipulation Using Pulsed and Steady Blowing During Ramp-Pitching," Journal of Aircraft, Vol. 33, No. 2, pp. 304-310, 1996.
Baird, R.C., Johari, H., and Jumper, G.Y., "Environmental Modulation of Chemical Signal Structure and Odor Dispersal in the Ocean" Chemical Senses, Vol. 21, pp. 121-134, 1996.
Johari, H., "Chemically Reactive Turbulent Vortex Rings," Physics of Fluids, Vol. 7, No. 10, pp. 2420-2427, 1995.
Johari, H., Olinger, D.J., and Fitzpatrick, K.C., "Delta Wing Vortex Control via Recessed Angled Spanwise Blowing," Journal of Aircraft, Vol. 32, No. 4, pp. 804-810, 1995.
Randolph, H., Chew, L., and Johari, H., "Penetration of Pulsed Transverse Jets into Supersonic Crossflow," Journal of Propulsion and Power, Vol. 10, No. 5, pp. 746-748, 1994.
Johari, H. and Motevalli, V., "Flame Length Measurements of Burning Fuel Puffs," Combustion Science & Technology, Vol. 94, 1-6, pp. 229-244, 1993.
Kouros, H., Medina, R. and Johari, H., "On Spreading Rate of an Unsteady Turbulent Jet," AIAA Journal, Vol. 31, No. 8, pp. 1524-1526, 1993.
Johari, H., "Mixing in Thermals With and Without Buoyancy Reversal," Journal of the Atmospheric Sciences, Vol. 49, No. 16, pp. 1412-1426, 1992.
Johari, H., "Flame Length Measurements of the Turbulent Plume," Physics of Fluids A, Vol. 2, No. 7, pp. 1073-1075, 1990.
Johari, H. and Desabrais, K.J., "Scaling for Solid Cloth Round Parachutes," Proceedings of the 16th AIAA Aerodynamic Decelerator Systems Technology Conference, pp. 105-113, May 2001, AIAA paper 2001-2007.
Desabrais, K.J. and Johari, H., "The Flow Field in the Near Wake of an Inflating Parachute Canopy," Proceedings of the16th AIAA Aerodynamic Decelerator Systems Technology Conference, pp. 122-130, May 2001, AIAA paper 2001-2009.
Barber, J. and Johari, H., "Experimental Investigation of Personnel Parachute Designs Using Scale Model Wind Tunnel Testing," 16th AIAA Aerodynamic Decelerator Systems Technology Conference, May 2001, AIAA paper 2001-2074.
Andreeva, T.A., Weber, F.J., Durgin, W.W., and Johari, H., "Determination of Statistical Characteristics of Isotropic Turbulence," 2001 ASME Fluids Engineering Division Summer Meeting, May 2001, ASME FEDSM2001-18247.
Weber, F.J., Durgin, W.W., and Johari, H., "Ultrasonic Beam Propagation in Turbulent Flow," 2001 ASME Fluids Engineering Division Summer Meeting, May 2001, ASME FEDSM2001-18038.
Desabrais, K.J. and Johari, H., "Near-Field Wake of a Generic, Round Parachute Canopy in Steady Flow," 39th AIAA Aerospace Sciences Meeting, January 2001, AIAA paper 2001-1037.
Sangras, R., Usowicz, J.E., Hermanson, J.C., and Johari, H., "Flame Length and Emissions of Fully-Modulated Turbulent Diffusion Flames," 39th AIAA Aerospace Sciences Meeting, January 2001, AIAA paper 2001-0188.
Johari, H., Stein, K., and Tezduyar, T.E., "Temporal Evolution of the Near Wake of an Impulsively Started Rigid Parachute Canopy," AIAA Fluids 2000, Denver, CO, June 2000, AIAA paper 2000-2530.
Johari, H. and Stein, K., "Temporal Evolution of the Wake of an Impulsively Started Disk," FEDSM00-11170, ASME Fluids Engineering Division Summer Meeting, Boston, MA, June 2000.
Hermanson, J.C., Usowicz, J.E., and Johari, H., "An Experimental Study of Isolated Turbulent Flame Puffs with a Co-Flow," 38th AIAA Aerospace Sciences Meeting, January 2000, AIAA paper 2000-0813.
Desabrais, K.J. and Johari, H., "Reynolds Number and Scale Effects on Inflating Parachute Canopies," Proceedings of the 15th CEAS/AIAA Aerodynamic Decelerator Systems Technology Conference, Toulouse, France, pp. 258-268, June 1999, AIAA paper 99-1736.
Popp, K.A., Johari, H., and Lee, C.K., "Wind Tunnel Experiments on Characteristics of Small-Scale Parachutes," Proceedings of the 15th CEAS/AIAA Aerodynamic Decelerator Systems Technology Conference, Toulouse, France, pp. 353-363, June 1999, AIAA paper 99-1748.
Johari, H. and Gharib, M., "Near Field Development of Starting Buoyant Flows," Proceedings of the 8th International Symposium on Flow Visualization, Sorrento, Italy, CD-ROM release, Edited by G.M. Carlomango and I. Grant, September 1998.
Johari, H., Pacheco-Tougas, M., and Hermanson, J.C., "Penetration and Mixing of Fully-Modulated Turbulent Jets in Cross-Flow," 29th AIAA Fluid Dynamics Conference, June 1998, AIAA paper 98-2908.
Desabrais, K.J. and Johari, H., "Direct Circulation Measurement of a Wing Tip Vortex Using Ultrasound" 36th AIAA Aerospace Sciences Meeting, Jan. 1998, AIAA paper 98-0609.
Hermanson, J.C., Dugnani, R., and Johari, H., "Structure and Flame Length of Fully-Modulated Pulsed Diffusion Flames," 36th AIAA Aerospace Sciences Meeting, Jan. 1998, AIAA paper 98-0561.
Johari, H. and McManus, K.R., "Visualization of Pulsed Vortex Generator Jets for Active Control of Boundary Layer Separation," 28th AIAA Fluid Dynamics/4th Shear Flow Control Conference, June 1997, AIAA paper 97-2021.
Moriera, J. and Johari, H., "Direct Measurement of Delta Wing Vortex Circulation Using Ultrasound," 35th AIAA Aerospace Sciences Meeting, Jan. 1997, AIAA paper 97-0743.
Johari, H., Dabiri, D., Weigand, A., and Gharib, M., "On the Relationship Between Formation Number and Passive Scalar Pinch-off in Starting Jets," Developments in Laser Techniques and Fluid Mechanics, Edited by R. J. Adrian et al., Vol. 8, pp. 399-410, 1997.
Johari, H. and Durgin, W.W., "Direct Measurement of Circulation Using Ultrasonic Methods," Proceedings of ASME Fluids Engineering Division Summer Meeting, FED-Vol. 239, pp. 379-384, 1996.
Johari, H., Desabrais, K.J., and Hermanson, J.C., "Experiments on Impulsively-Started Jet Diffusion Flames," 27th Fluid Dynamics Conference, June 1996, AIAA paper 96-1930.
Johari, H. and Zhang, Q., "Experiments on Exponentially Accelerating Turbulent Jets," Flow Visualization VII, Edited by J. Crowder, pp. 473-478, 1995.
Zhang, Q. and Johari, H., "Experiments on Accelerating Turbulent Jets," Proceedings of the Tenth Symposium on Turbulent Shear Flow, Vol. 1, pp. 9-19-9-24, 1995.
Zhang, Q. and Johari, H., "Experiments on Constant Acceleration Turbulent Jets," ASME Forum on Unsteady Flows, FED-Vol. 216, Edited by W.L. Keith et al., pp. 173-178, 1995.
Johari, H., Rose, M., Bourque, S., and Q. Zhang, "Experiments on Impulsively Started Turbulent Jet," ASME Papers in Fluids Engineering, FED-Vol. 209, Edited by F. White, pp. 9-16, 1995.
Moriera, J. and Johari, H., "Delta Wing Vortex Manipulation using Pulsed and Steady Blowing during Ramp Pitching Maneuvers," 13th AIAA Applied Aerodynamics Conference, June 1995, AIAA paper 95-1817.
Weber, F.J., Durgin, W.W., and Johari, H., "Circulation Measurements About a Rapidly Pitching Airfoil using an Ultrasonic System," 26th AIAA Fluid Dynamics Conference, June 1995, AIAA paper 95-2269.
Smith, R., Durgin, W.W., and Johari, H., "The Direct Measurement of Circulation in Free Surface Vortices," 33rd AIAA Aerospace Sciences Meeting, Jan. 1995, AIAA paper 95-0104.
Johari, H., "Molecular Scale Mixing in Turbulent Vortex Rings," ASME Forum on Turbulent Mixing, FED-Vol. 174, Edited by D.E. Parekh and M.J. Morris, pp. 13-18, 1993.
Johari, H. and Paduano, R., "Dilution in an Unsteady Turbulent Jet," ASME Forum on Turbulent Flows, FED-Vol. 155, Edited by M.J. Morris and B.F. Carrol, pp. 13-17, 1993.
Johari, H., "Numerical Simulation of Accelerating Turbulent Plane Jets," ASME Forum on Unsteady Flows, FED-Vol. 157, Edited by W.L. Keith and T. Wei, pp. 177-182, 1993.
Roy, R.R. and Johari, H., "Finite Element Analysis of an Accelerating Round Turbulent Jet," Recent Advances in Mechanics of Structured Continua, ASME-AMD Vol. 160, Edited by M. Massoudi and K.R. Rajagopal, pp. 105-114, 1993.
Fitzpatrick, K., Johari, H., and Olinger, D., "A Visual Study of Recessed Angled Spanwise Blowing Method on a Delta Wing," AIAA Shear Flow Conference, July 1993, AIAA paper 93-3246.
Durgin, W.W., Looft, F.J., and Johari, H., "Advanced Space Design: Project-Based Engineering Education at WPI," AIAA/AHS/ASEE Aerospace design Conference, Feb. 1993, AIAA paper 93-1112.
Johari, H., "Celerity and Flame Length of Burning Natural Gas Puffs," Proceedings of the International Conference on Engineering Applications of Mechanics, Vol. III Heat and Mass Transfer/Fluid Mechanics/Energy Conversion, Edited by M.S. Sadeghipour, M.N. Bahadori, and A. Meghdari, pp. 125-132, 1992.
Johari, H. and Durgin, W.W., "Unsteady Flow in Vertical Converging Tubes," ASME Fluid Transients and Fluid-Structure Interaction, FED-Vol. 126, Edited by F.J. Moody and D.C. Wiggert, pp. 37-39, 1991.
Johari, H. and Breidenthal, R.E., "Chemically Reacting Thermals with Buoyancy Reversal," Stratified Flows, Proceedings of the 3rd International Symposium on Stratified Flows, Edited by E.J. List and G. Jirka, American Society of Civil Engineers, New York, pp. 836-845, 1990.
Johari, H., Taylor, G., Baker, M., and Breidenthal, R.E., "A Comparative Study of Laboratory Thermals and Atmospheric Clouds," Proceedings of the 10th International Cloud Physics Conference, Bad Homburg, W. Germany, pp. 67-69, August 1988.
Johari, H., "A Laboratory Study of Thermals with Evaporative Cooling," Proceedings of the Eighth Symposium on Turbulence and Diffusion, American Meteorological Society, San Diego, California, pp. 226-228, 1988.
Breidenthal, R.E. and Johari, H., "Turbulent Mixing in Buoyant Flows," Proceedings of the International Conference on Fluid Mechanics, (Beijing), Peking University Press, pp. 134-139, 1987.
Christiansen, W.H., Johari, H., and Bogdanoff, D.W., "A Study of Inhomogeneous Shear Layers and their Effects on Laser Beam Degradation," Proceedings of the 5th International Conference on Gas Flow Chemical Lasers, Oxford, England, pp. 345?350, 1984.
Johari, H., Poling, H., Chen, H.T., Bogdanoff, D.W., and Christiansen, W.H., "A Preliminary Study of Optical Properties of Inhomogeneous Shear Layers," AIAA 17th Fluid Dynamics, Plasmadynamics, and Lasers Conference, Snowmass, CO, June 1984, AIAA paper 84-1622.