Numerical simulation of a submerged liquid metal jet flow in a longitudinal magnetic field using a hybrid large Eddy simulation method
Sokolov M. A.1, Razuvanov N. G.1,2, Polyanskaya O. N.2
1Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, Russia
2National Research University «Moscow Power Engineering Institute», Moscow, Russia
Email: maximsocolov1997@mail.ru
The results of numerical simulation of a submerged mercury jet flow in a circular pipe under the influence of a longitudinal magnetic field are presented, using the KDES hybrid large eddy simulation method. The flow regime is considered at a Reynolds number of 104 and magnetic fields corresponding to Hartmann numbers in the range from 0 to 125. Under the influence of a longitudinal magnetic field at Ha=125, the maximum deviation in the mean axial velocity from the DNS data does not exceed 25 %. It is found that the longitudinal magnetic field alters the structure of secondary flows: eight steady vortices uniformly distributed around the main jet emerge. The critical Hartmann number at which this effect occurs is Ha ~ 80. Keywords: liquid metals, magnetohydrodynamics, submerged jet, numerical simulation
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