Dr. Mahmood Naghash

Environmental Engineering and Science

Current Courses

Personal Bio

Dr. Naghash has over 35 years of industry and research experience in applied hydraulics and applied fluid mechanics with respect to water conveyance systems. He holds Ph.D. degree in Civil Engineering from the Georgia Institute of Technology and M.S.E degree in Civil Engineering from the University of Michigan, Ann Arbor, Michigan. He has taught Applied Hydraulics and Calculus at Georgia Institue of Technology.

Education History

  • BS Civil Engineering, Jundi Shapur University
  • MS Irrigation Engineering, University of Tehran
  • M S E Hydraulics, University of Michigan
  • Ph D Fluid Mechanics/Hydraulics, Georgia Institute of Technology

Work Experience

Principal Engineer, Bechtel Corporation


1. Naghash, M., 2015, “U.S. Clean Water Act 316(b) Final Regulations, and Best Available Technologies for Design of Water Intake Structures”, Proceedings of the 36th IAHR Congress, June 28-July 03, Hague, The Netherlands.
2. Naghash, M., 2013, “Standardization of Swirl Meter Instrumentation used for Physical Model Study of Pump Intake Structures”, Proceedings of the 35th IAHR Congress, September 8-12, Chengdu, China.
3. Naghash, M., Feldman, C., 2013, “Hydraulic Structures as a Mean for Lowering Pressure Rating of Piping and Equipment for a Once-Through Cooling Water System”, Proceedings of the 35th IAHR Congress, September 8-12, Chengdu, China.
4. Naghash, M., Talbot, C., 2012, "Hurricane Irene Effects on Urban Runoff Water Quality in Selected Northeastern U.S. Streams", Proceedings of the EWRI World Environmental & Water Resources Congress; May 20-24, Albuquerque, New Mexico.
5. Naghash, M.; Clemente, J.,2012, “Assessment of Engineering, Operation, and Maintenance Issues of Fixed-Bottom and Floating Offshore Wind Turbine Technologies”, Proceedings of Renewable Energy World Conference & Expo, February 14-16, Long Beach, California
6. Naghash, M; 2012“Hydraulic Design of Pump Intake Structures”; Engineering Design Guide, Bechtel Corporation.
7. Naghash, M.; Zheng, Y. 2009, " The effect of large vertical pump bell and pump column sizes on the design guidelines of the pump intake structures.", Proceedings of the IAHR 33rd Congress, Vancouver, British Columbia, August 9-14.
8. Rosenberger, H.; Hellmann, D-H; Naghash, M., 1997, “Physical Model Study of Jet-Breaker Baffle Concepts in Pump Intake Structures with Pipe Inflows”, Proceedings of Theme D: Energy and Water- Sustainable Development, 27th Congress of the International Association for Hydraulic Research, August 10-15, San Francisco, USA.
9. Naghash, M. 1994, "Void Fraction Measurement Techniques for Gas-Liquid Bubbly Flows in Closed Conduits; A Literature Review", Fundamentals and Advancements in Hydraulic Measurements and Experimentation, Proceedings of the Symposium sponsored by Hydraulic Division of ASCE, Buffalo, NY, August 1-5.
10. Naghash, M.; et. al.; 1994, "Design Considerations for Use of Wedge Wire Screens at Surface Water Intake Structures", Hydraulic Engineering '94, Volume 1, proceedings of the ASCE Hydraulic Division 1994 Conference, Buffalo, NY, August 1-5.
11. Naghash, M.; et. al.; 1993, "Application of Environmental Regulations on Design of Hydraulic Structures for Open Cooling Water System", Hydraulic Engineering '93, Volume 2, proceedings of the ASCE Hydraulic Division 1993 Conference, San Francisco, CA, July 25-30.
12. Naghash, M.; Bohac, C. E., 1992. “Numerical Prediction of Aeration in Hydroturbine Draft Tubes”, Proceedings of the Hydraulic Engineering Sessions at Water forum ‘92, Baltimore, Maryland, August 26, pp. 293298.
13. Naghash, M., Martin, C.S., 1990. “Steady Turbulent Gas Desorption in Surface Condenser Tubes”, Proceedings of the Second International Symposium on Gas Transfer at Water Surfaces, September 1114, 1990, Minneapolis, Minnesota.
14. Wilhelms, S. C., Bohac, C. E., Johnson, P. L., Rindels, A., Naghash, M., 1990, “Gas Transfer at Hydraulic Structures”, Proceedings of the Second International Symposium on Gas Transfer at Water Surfaces, September 1114, Minneapolis, Minnesota.
15. Chaudhry, M. H.; Bhallamudi, S. M.; Martin, C. S.; Naghash, M., 1990, “Analysis of Transient Pressures in Bubbly, Homogeneous, Gas-Liquid Mixtures,” Journal of Fluids Engineering, ASME, Vol. 112, 225231.
16. Naghash, M., 1989, “Steady Turbulent Gas Desorption in a Horizontal Pipeline”, Ph.D. Dissertation, School of Engineering, Georgia Institute of Technology, Atlanta, Georgia.
17. Naghash, M.; Martin, C.S.; 1985, Paper Discussion, Journal of Hydraulic Engineering, ASCE, Vol. 111, No. 8.
18. Wiggert, D.C.; Lesmez, M.; Martin, C.S; Rao, P. V., Naghash, M.; 1983, “Modeling of Transient Two-Component Flow Using A Four-Point Implicit Method”, Proceedings, Symposium On Numerical Methods For Fluid Transient Analysis, ASME, Houston, June.
19. Naghash, M., 1976, “Hydrological Study of Dez Dam Watershed, Dezful, Iran”, Thesis presented to the University of Tehran, Tehran, Iran, in partial fulfillment of the requirements for the degree of Master of Science in Engineering.

Honors and Awards

  • ASCE Task Committee Award (1994)

Professional Organizations

COPRI/ASCE Waterways Technical Committee