Parviz Payvar
Professor, Mechanical Engineering
Email: ppayvar@niu.edu
Tel: 815-753-3346
Education
M.S. (1964), Ph.D. (1967) in Mechanical Engineering, University of California, Berkeley
Research Interests
Refrigerant heat transfer, Compact torque converters, High thermal capacity wet clutches.
Work Experience
- Department of Mechanical Engineering, NIU (1988-present)
- Staff Scientist, Borg-Warner Automotive Research Center, Des Plaines, Illinois, in charge of Laser Doppler Velocimetry, Clutch Development, and Torque Converter Development projects, Apr. 1987-June 1988
- Manager, Fluid Dynamics and Heat Transfer Section, Borg-Warner Research Center, Des Plaines, Illinois Jan. 1984-Apr. 1987
- Scientist, Borg-Warner Research Center, Des Plaines, Illinois May 1980-Jan. 1984
- Lecturer and Research Fellow, Northwestern University, Evanston, Illinois and Consultant, Borg-Warner Research Center, Des Plaines, Illinois Aug. 1979-May 1980
- Associate Professor and Head of Energy Engineering Department, Arya-Mehr University of Technology, Isfahan, Iran Sept. 1974-June 1979
- Associate Professor and Head of Engineering Department, Abadan Institute of Technology, Abadan, Iran Apr. 1971-Sept. 1974
- Assistant Professor of Engineering, Abadan Institute of Technology, Abadan, Iran Sept. 1967-Apr. 1971
- Research Assistant, University of California, Berkeley, California Sept. 1963-Sept. 1967
- Engineer Trainee, Abadan Refinery Power Station, Abadan, Iran June 1962-Dec. 1962
- Four three-month practical training periods in the Iranian oil Industry, Summer Work
Professional Associations and Honors
- Professional Registered Engineer in Illinois (1988)
- Fellow, American Society of Mechanical Engineers
- Member, American Society of Engineering Education
- Member, ASHRAE Technical Committee on Refrigerant Heat Exchangers
Selected Publications
- Payvar, P., Heat Transfer Enhancement in Laminar Flow of Viscoelastic Fluids through Rectangular Ducts, International Journal of Heat and Mass Transfer, Vol. 40, No.3, pp. 745-756, 1997
- Tatara, R., and Payvar, P., Effects of Oil on Boiling R-123 and R-134a Flowing Normal to an Integral-Finned Tube Bundle, ASHRAE Transactions, Vol. 105, part 1, 1999
- Tatara, R., and Payvar, P., Effects of Oil on Boiling of Replacement Refrigerants Flowing Normal to a Tube Bundle - Part I: R-123, ASHRAE Transactions, Vol.106, part 1, 2000
- Tatara, R., and Payvar, P., Effects of Oil on Boiling of Replacement Refrigerants Flowing Normal to a Tube Bundle - Part II: R-134a, ASHRAE Transactions, Vol.106, Part I, 2000
- Tatara, R., and Payvar, P., Pool Boiling of Pure R-134a from a Single Turbo-BII-HP Tube, International Journal of Heat and Mass Transfer, Vol. 43, No. 12, 2000
- Tatara, R., and Payvar, P., Spray Boiling of R-11 on Integral Fin Tube Bundles, International Journal of Refrigeration, Vol 24, pp 744-754, 2001
- Tatara, R., and Payvar, P., Multiple Engagement Wet Clutch Heat Transfer Model, Journal of Numerical Heat Transfer, Vol. 42, pp 215-231, 2002
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