Magnetohydrodynamic energy conversion by using convexly divergent channel

Murakami, Tomoyuki; Okuno, Yoshihiro
December 2009
Applied Physics Letters;12/21/2009, Vol. 95 Issue 25, p251502
Academic Journal
We describe a magnetohydrodynamic (MHD) electrical power generator equipped with a convexly divergent channel, as determined through shock-tunnel-based experiments. The quality of MHD power-generating plasma and the energy conversion efficiency in the convexly divergent channel are compared with those from previous linearly divergent channel. The divergence enhancement in the channel upstream is effective for suppressing an excessive increase in static pressure, whereby notably high isentropic efficiency is achieved.


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