Two-Dimensional Performance Analysis and Design of MHD Channels

[+] Author and Article Information
E. Doss, H. Geyer, R. K. Ahluwalia, K. Im

Engineering Division, Argonne National Laboratory, Argonne, Ill. 60439

J. Fluids Eng 103(2), 307-314 (Jun 01, 1981) (8 pages) doi:10.1115/1.3241738 History: Received June 13, 1979; Online October 26, 2009


A two-dimensional model for MHD channel design and analysis has been developed for three different modes of operation: velocity, Mach number, and pressure. Given the distribution of any of these three parameters along the channel, the channel aspect ratio, and the channel operating conditions, the MHD channel geometry can be predicted. The developed two-dimensional design model avoids unnecessary assumptions for surface losses and boundary layer voltage drops that are required in one-dimensional calculations and, thus, can yield a better prediction of MHD channel geometry and performance. The subject model includes a simplified treatment for possible arcing near the electrode walls. A one-dimensional model for slag flow along the channel walls is also incorporated. The effects of wall temperature and slag carry-over on channel performance are discussed.

Copyright © 1981 by ASME
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