Influence of the ion slip effect on the MHD flow control of plasma flow around a blunt body is examined by means of two-dimensional numerical simulation. In order to understand the ion slip effect fundamentally, the calorically perfect gas model is adopted and it is assumed that the electron and ion Hall parameters can take any value and be distributed uniformly inside the bow shock. Numerical results confirm that the ion slip effect reduces the influences of MHD flow control. When the ion slip parameter β
eβ
i becomes large, the electrical current density around the blunt body decreases in inverse proportion to the value of (1+β
eβ
i). For the MHD interaction parameter with
Q = 10, the maximum electrical current density with the ion slip effect (the electron Hall parameter β
e = 10, the ion Hall parameter β
i = 0.1) decreases by 44% in comparison with that of the case without ion slip effect (β
e = 10, β
i = 0).
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