Dr. Efi Zemach

Dr. Efi Zemach

Dr. Efi Zemach received his Ph.D. in Mechanical Engineering, in the field of Fluid Mechanics (Turbulent Flow), from Ben Gurion University, Israel 

Dr. Efi is a specialist in Computational Fluid Dynamic (CFD), Numerical methods, Heat Transfer and fluid Mechanics. Current research fields are: cooling of high heat flux, Numerical simulations of complex flow and turbulent flow modeling

Efi has held several research key roles in the industry and currently the Manager of Mechanical Engineering Department of Soreq Nuclear Research Center - SNRC


Mechanical engineering
Senior lecturer
Be'er Sheva

Katsir(50) / 215

Social network



2013-2016  Ph.D. in Mechanical Engineering, Ben-Gurion University of the Negev, Israel.  Dissertation title: Study of turbulent flow and heat transfer properties in Liquid metals subjected to magnetic field. Adviser: Prof. Semion Sukoriansky.

2009-2012  M.Sc. (Summa Cum Laude) in Mechanical Engineering, Tel-Aviv University, Israel. Dissertation title: Heat Transfer Enhancement in Micro-Scales Flow.  Adviser: Moshe Rosenfeld.

2001-2005    B.Sc. in (Summa Cum Laude) in Mechanical Engineering. The Technion, Israel Institute of Technology, Israel.


Fluid dynamics
Turbulent Flow
Heat transfer
Numerical method for fluid dynamics


Heat Transfer
Numerical Methods for Engineering
CFD for Design of Energy Systems



R. Sela, E. Zemach and Y. Feldman, A semi-implicit direct forcing immersed boundary method for periodically moving immersed bodies: A Schur complement approach, submitted to Computer Methods in Applied Mechanics and Engineering, 2019.
Y. Feldman, A. Spizzichino, E. Zemach, Oscillatory instability of 3D natural convection flow around a tandem of cold and hot vertically aligned cylinders placed inside a cold cubic enclosure. International Journal of Heat and Mass Transfer, International Journal of Heat and Mass Transfer, Volume 141, 2019, Pages 327-345, ISSN 0017-9310.
Inertial range skewness of the longitudinal velocity derivative in locally isotropic turbulence,S. Sukoriansky,E. Kit, E. Zemach, S. Midya and H. J. S. Fernando, 2018, PHYSICAL REVIEW FLUIDS 3, 114605.
Barami Eli, Mikhailovich Boris, Shukrun Tzahi, Suloriansky Semion, Zemach Efi, 2017, Heat Transfer Enhancement in Liquid Metal by Rotating Magnetic Field, Magnetohydrodynamics, Vol. 53, no. 1, pp. 3-13.
S. Sukoriansky and E. Zemach, 2016, “Theoretical study of anisotropic MHD turbulence with low magnetic Reynolds number”, Physica Scripta 91 (3), pp. 034001(14 pp). doi:10.1088/0031-8949/91/3/03400.
L Weissman, D Berkovits, A Arenshtam, Y Ben-Aliz, Y Buzaglo, O Dudovitch, Y Eisen, I Eliahu, G Feinberg, I Fishman, I Gavish, I Gertz, A Grin, S Halfon, D Har-Even, Y F Haruvy, D Hirschmann, T Hirsh, Z Horovitz, B Kaizer, D Kijel, A Kreisel, G Lempert, Y Luner, E Reinfeld, J Rodnizki, D Rubin, Y Shapiro, G Shimel, A Shor, I Silverman, M Wolf, and E Zemach. SARAF phase I linac in 2012. Journal of Instrumentation, 9(05):T05004, 2014.



2013-2017   Efi zemach, Ido Anteby (SNRC), Semion Sukoriansky (Ben-Gurion University of the Negev).  Heat transfer Enhancement in liquid metal traget. Grant from Pazi  Foundation 350,000$. Ben-Gurion University of the Negev


Several ongoing  research projects are conducted in collaboration with the NRCN, SNRC, Tel-Aviv University, Soroka Medical Center  Ben-Gurion University.