Magnetohydrodynamic energy conversion by using convexly divergent channel

Journal Article · Mon Dec 21 00:00:00 EST 2009 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.3272014· OSTI ID:21294508

Murakami, Tomoyuki; Okuno, Yoshihiro ^[1]

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1. Department of Energy Sciences, Tokyo Institute of Technology, 4259-G3-38 Nagatsuta, Midori-ku, Yokohama 226-8502 (Japan)

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.

• OSTI ID: 21294508
• Journal Information: Applied Physics Letters, Vol. 95, Issue 25; Other Information: DOI: 10.1063/1.3272014; (c) 2009 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ELECTRIC GENERATORS
ENERGY CONVERSION
ISENTROPIC PROCESSES
MAGNETOHYDRODYNAMICS
PLASMA