THE SOLUTION OF MHD EQUATIONS USING A HIGH ORDER CHARACTERISTICS-SPLITTING SCHEME FOR MPDT SIMULATION

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AHANGAR M.; EBRAHIMI REZA; SHAMS MEHRZAD

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Journal: Modares Mechanical Engineering Year:2014 | Volume:13 | Issue:14 Page(s): 28-42

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Title

THE SOLUTION OF MHD EQUATIONS USING A HIGH ORDER CHARACTERISTICS-SPLITTING SCHEME FOR MPDT SIMULATION

Author(s)

AHANGAR M. | EBRAHIMI REZA | SHAMS MEHRZAD | Issue Writer Certificate

Keywords

MAGNETO HYDRODYNAMIC EQUATIONSQ2

HALL EFFECTQ2

LORENTZ FORCEQ2

ANOMALOUS TRANSPORTQ2

NUMERICAL MODELINGQ2

Abstract

In this study, a two-dimensional, axisymmetric, computational Algorithm has been developed to simulate the plasma flow field in a MPD thruster for the purpose of determining the flow behavior and electromagnetic characteristics distribution. The solution employs Roe's flux vector difference method in combination with Powell's characteristics-splitting scheme. To ensure the stable high-accuracy solution, new modification of MUSCL technique so called OMUSCL2 method is used. According to being supersonic strong gas dynamic expansion near the electrodes tip, HHT entropy correction is employed. Further improvements to the physical model, such as the inclusion of relevant classical transport properties, a real equation of state, multi-level equilibrium ionization models, ANOMALOUS TRANSPORT, and multi-temperature effects, that are essential for the realistic simulation MPD flows, are implemented. Numerical results of a lab-scale thruster are presented, whereby comparison with experimental data shows good agreement between the predicted and measured enclosed current and electric potential.

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APA: Copy

AHANGAR, M., EBRAHIMI, REZA, & SHAMS, MEHRZAD. (2014). THE SOLUTION OF MHD EQUATIONS USING A HIGH ORDER CHARACTERISTICS-SPLITTING SCHEME FOR MPDT SIMULATION. MODARES MECHANICAL ENGINEERING, 13(14), 28-42. SID. https://sid.ir/paper/178694/en

Vancouver: Copy

AHANGAR M., EBRAHIMI REZA, SHAMS MEHRZAD. THE SOLUTION OF MHD EQUATIONS USING A HIGH ORDER CHARACTERISTICS-SPLITTING SCHEME FOR MPDT SIMULATION. MODARES MECHANICAL ENGINEERING[Internet]. 2014;13(14):28-42. Available from: https://sid.ir/paper/178694/en

IEEE: Copy

M. AHANGAR, REZA EBRAHIMI, and MEHRZAD SHAMS, “THE SOLUTION OF MHD EQUATIONS USING A HIGH ORDER CHARACTERISTICS-SPLITTING SCHEME FOR MPDT SIMULATION,” MODARES MECHANICAL ENGINEERING, vol. 13, no. 14, pp. 28–42, 2014, [Online]. Available: https://sid.ir/paper/178694/en

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