Experiments on High‐Temperature Inert Gas Plasma MHD Electrical Power Generation with Hall and Diagonal Connections. Issue 3 (November 2015)

• Record Type: Journal Article
• Authors: Komatsu, Fumihiko; Tanaka, Manabu; Murakami, Tomoyuki; Okuno, Yoshihiro
• Is Part Of: Electrical engineering in Japan. Volume 193:Issue 3(2015)
• Page Start: 17
• Page End: 23
• Publication Date: 2015-11
• Subjects: Electrical engineering -- Periodicals; 621.30952
• DOI: 10.1002/eej.22761
• Languages: English
• ISSNs: 0424-7760

Abstract

<abstract abstract-type="main"> <title>SUMMARY</title> <p>High‐temperature inert gas (argon) plasma magnetohydrodynamic (MHD) electrical power generation using a linear shaped channel with Hall and diagonal connections has been conducted. It is revealed by observation by using a high‐speed camera that the MHD power‐generating plasma is almost entirely stable regardless of the connection type. Enthalpy extraction ratios of 5.6% for the Hall connection, 6.7% for the diagonal connection (diagonal angle 53° to 66°), and 10.1% for the diagonal connection (diagonal angle 36° to 48°) have been achieved under the operating conditions of an inlet total temperature of 9000 K, an inlet total pressure of 0.105 MPa, and a magnetic flux density of 4.0 T. The output power can suffer from a low electric field in the upstream region in a Hall connection, and is improved under the no Hall current condition in a diagonal connection.</p> </abstract>