Reza Sadr

Associate Professor

Sadr, Reza

Office: 328
Phone: 979-845-2562

Research Webpage

Research Interests

Research interests include experimental techniques in thermo/fluid science with focus on nano/micro-fluids, turbulent multiphase flows, and optical diagnostic techniques development.

Micro and nanoscale fluid mechanics and heat transfer

Brownian Dynamics and particle-fluid interaction

Atmospheric turbulence studies

Sprays and Particle-laden flows

Electro-Osmotic Fluid mechanics at micro and nanoscale and related surface chemistry

Experimental measurement techniques for fluid mechanics and heat transfer, Particle-Image Velocimetry (PIV), and Molecular Tagging Velocimetry (MTV)​, Phase Doppler Particle Analyser (PDPA) 


  • Doctor of Philosophy, Mechanical Engineering, University of Utah, 2002
  • Master of Science, Aerospace Engineering, Carleton University, Canada, 1996
  • Bachelor of Science, Mechanical Engineering (Thermo Fluids), Iran University of Science, 1992

Selected Publications

A Singha and R Sadr, “An in-situ calibration technique of a four-wire hot-wire anemometer suitable for atmospheric measurement in conjunction with sonic anemometer”, Experimental Thermal and Fluid Sciences, 44, 82-89, 2013.

K Anoop, and R Sadr, “nPIV Velocity Measurement of Nanofluids in the Near-Wall Region of a Microchannel”, Nanoscale Research Letters, 7:284, 2012.

R Sadr, K Anoop, and R Khader, “Effects of surface forces and non-uniform out-of-plane illumination on the accuracy of nPIV velocimetry”, Measurement Science and Technology, 23, 055303, 2012.

A Singha and R Sadr, “Characteristics of surface layer turbulence in coastal area of Qatar”, Environmental Fluid Mechanics, 12, 515-531, 2012.

M Mittal , R Sadr , H J Schock, A Fedewa, A Naqwi, “In-Cylinder Engine Flow Measurement using Stereoscopic Molecular Tagging Velocimetry (SMTV),” Experiments in Fluids, 46(2), 277-284, 2009.

"In-Cylinder Engine Flow Measurement using Stereoscopic Molecular Tagging Velocimetry (SMTV),"M. Mittal , R. Sadr , H. J. Schock, A. Fedewa, A. Naqwi, Experiments in Fluids, Under review, 2008.

"Diffusion-Induced Bias in Near-Wall Velocimetry," Reza Sadr, Christel Hohenegger, Haifeng Li, Peter J. Mucha and, Minami Yoda, Journal of Fluid Mechanics, 577, 443-456, 2007.

"On the accuracy of nPIV Velocity Measurements in Poiseuille Flow: Effect of non uniform out-of-plane illumination," R. Sadr, 60th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Salt Lake City, UT, 2007.

"Velocity Measurements Inside the Diffuse Electric Double Layer in Electroosmotic Flow," R. Sadr, M. Yoda, P Gnanaprakasam, and A T Conlisk, Applied Physics Letters, 89, 44103, 2006.

"Flow Field Characteristics in the Near Field of Particle-Laden Coaxial Jets," R Sadr and J C Klewicki, Experiments in Fluids 39(5), 885-894, 2005.

"Impact of Hindered Brownian Diffusion on the Accuracy of Particle-Image Velocimetry Using Evanescent-Wave Illumination," R Sadr, H Li and M Yoda, Experiments in Fluids 38(1), 90-98, 2005.

"An Experimental Study of Electroosmotic Flow in Rectangular Microchannels", R. Sadr, M. Yoda, Z. Zheng, and A. T. Conlisk, Journal of Fluid Mechanics 506, 357-367, 2004.

"Spline-based Techniques for Estimating Flow Velocities Using Two Camera MTV", R. Sadr and J. C. Klewicki”, Experiments in Fluids, vol. 35/3, 257-261, 2003.

"An Experimental Investigation of the Near Field Flow Development in Coaxial Jets", R. Sadr and J. C. Klewicki, Physics of fluids, 15(5), 1233-1246, 2003.