NDLI: Investigation of the Characteristics of MHD Power Generation by a Corona Jet Across a Magnetic Field

Content Provider	IEEE Xplore Digital Library
Author	XinLiang Wang Dan Ye Fan Gu
Copyright Year	1973
Abstract	In a common magnetohydrodynamic (MHD) power generation, the plasma is produced by equilibrium thermal ionization with working temperatures over 2000 K, and it is difficult to select wall materials that will withstand these high temperatures. The authors present the case that using the low-temperature corona jet produced by nonequilibrium gas discharge can lower the temperature in the MHD electrical power generation. In order to investigate the characteristics of the MHD power generation by a corona jet across a transverse magnetic field, experiments were performed to indicate the influence of airflow velocity and magnetic flux density over a multidimensional parameter space. This paper indicates that when a corona jet passes through a transverse magnetic field, it would be influenced as a result of the electromagnetic-induction phenomenon, and the induced current could be measured on the electrodes which are in the direction perpendicular to the magnetic field and the corona jet. The current increases dramatically with the increasing velocity of the airflow while not so considerably with the increasing of magnetic flux density. The amount of current induced is also influenced by the distance between the two electrodes and the distance from the electrodes to the spout of jet. The density of electric current in this experiment is lower than that generated in common MHD power-generating devices. This is primarily owing to the nonuniformity of electron density of the corona jet used in the experiments, which increases the internal resistance and limits the output of current.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	299
Ending Page	304
Page Count	6
File Size	296827
File Format	PDF
ISSN	00933813
Volume Number	36
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power generation Corona Magnetic fields Magnetohydrodynamic power generation Plasma temperature Magnetic field measurement Electrodes Magnetic materials Magnetic flux density Plasma properties magnetohydrodynamic (MHD) Corona jet energy conversion
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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