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FLOW AND HEAT TRANSFER CHARACTERISTICS IN A TWO-PHASE LOOP THERMOSIPHON.

[In Japanese. / En japonais.]

Author(s) : IMURA H., SAITO Y., KATSUMATA Y.

Type of article: Article

Summary

A TWO-PHASE LOOP THERMOSIPHON TRANSPORTS THERMAL ENERGY BY NATURAL CONVECTIVE CIRCULATION WITHOUT ANY EXTERNAL POWER SUPPLY. A BASIC INVESTIGATION OF FLOW AND HEAT TRANSFER CHARACTERISTICS IN THE THERMOSIPHON WAS PERFORMED BOTH EXPERIMENTALLY AND THEORETICALLY. THE CIRCULATION FLOW RATE, PRESSURE AND TEMPERATURE DISTRIBUTIONS ALONG THE LOOP, AND HEAT TRANSFER COEFFICIENTS INTHE HEATED SECTION WERE MEASURED USING WATER, ETHANOL AND R113. THE COMPARISON OF THE CALCULATED WITH EXPERIMENTAL RESULTS WAS MADE CONCERNING THE CIRCULATION FLOW RATE AND PRESSURE AND TEMPERATURE DISTRIBUTIONS. FOR WATER AND ETHANOL, THE COMPARISON PRESENTED VERY CLOSE AGREEMENT. BUT, FOR R113, THE AGREEMENT WAS INADEQUATE.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1989-0527
  • Languages: Japanese
  • Source: Trans. JAR - vol. 5 - n. 1
  • Publication date: 1988
  • Document available for consultation in the library of the IIR headquarters only.

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