Platinum-Clad Electrodes for Magnetohydrodynamic Generators: Indicated Lifetime Would Aid Commercialisation

By V. Hruby; S. Petty; R. Kessler

doi:10.1595/003214086X301211

ISSN: 0032-1400

oa Platinum-Clad Electrodes for Magnetohydrodynamic Generators

Indicated Lifetime Would Aid Commercialisation
Authors: By V. Hruby¹, S. Petty¹ and R. Kessler¹
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Affiliations: ¹ Avco Everett Research Laboratory, Inc., Everett, Massachusetts, U.S.A.
Source: Platinum Metals Review, Volume 30, Issue 1, Jan 1986, p. 2 - 11
DOI: https://doi.org/10.1595/003214086X301211
- Published online: 01 Jan 1986

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Abstract

The combination of a coal fired magnetohydrodynamic generator and a conventional steam-driven turbo-generator promises greater efficiency, cheaper electricity and lower environmental pollution than conventional power stations. Until recently, the unacceptably short lifetime of the anode electrodes has prevented this promise being fulfilled. Based upon tests described in this paper, it is predicted that the use of platinum-clad electrodes will dramatically increase the expected generator lifetime, thus paving the way to the commercialisation of magnetohydrodynamic energy converters. Approximately 1300 hours of electrode operation has now been achieved and an extrapolation of the results suggests a lifetime of 6000 to 8000 hours.

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1986-01-01

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References

R. J. Rosa, Magnetohydrodynamic Energy Conversion”, McGraw-Hill, New York, 1968 [Google Scholar]
R. J. Rosa, Phys. Fluids, 1961, 4, (2), 182 [Google Scholar]
Proc. 8th Int. Symp., Moscow, U.S.S.R., September 1983
V. J. Hruby, R. Kessler, S. W. Petty, P. Weiss, 1000 Hour MHD Anode Test”, 17th Intersociety Energy Conversion Engineering Conference, Los Angeles, August 1982, 3, 1223–1228 [Google Scholar]
D. A. Brosnan, Microscopic Examination of Electrode Surfaces after Avco’s Sulfur Test No. 6”, UTSI-81-7, Report No. FE-10815-66
NASA Lewis Research Center, Document No. NASA TM X-73515, “Evaluation of Phase 2 Conceptual Designs and Implementation Assessment Resulting from the Energy Conversion Alternatives Study (ECAS)” prepared for Energy Research & Development Administration and National Science Foundation, 1977

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Platinum-Clad Electrodes for Magnetohydrodynamic Generators

Platinum Metals Review 30, 2 (1986); https://doi.org/10.1595/003214086X301211

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Article Type: Research Article

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Indicated Lifetime Would Aid Commercialisation

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