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TECHNICAL BRIEFS

Analysis of Metal Ammonia Solutions as Heat Transfer Fluids to −185 deg C

[+] Author and Article Information
S. Naiditch, E. B. Graper

Unified Science Associates, Inc., Pasadena, Calif.

J. Heat Transfer 91(1), 194-195 (Feb 01, 1969) (2 pages) doi:10.1115/1.3580103 History: Received September 25, 1967; Revised September 16, 1968; Online August 25, 2011

Abstract

The low freezing temperatures and high thermal conductivities of metal ammonia solutions make them attractive as heat transfer fluids in the range from +60 to −185 deg C, offering a potential substitute for the cryogenic boiling heat transfer usually required below −50 deg C. Although chemically metastable and highly corrosive, some of these solutions have been studied at 190 deg C for an hour without measurable decomposition and have been stored for years at room temperature.

Copyright © 1969 by ASME
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