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STUDIES ON A HEAT STORAGE CONTAINER WITH PHASE CHANGE MATERIAL. HEAT TRANSFER IN SOLIDIFICATION PROCESS TO A FINNED TUBE.

[In Japanese. / En japonais.]

Author(s) : TOYODA N.

Type of article: Article

Summary

THIS PAPER DEALS WITH HEAT TRANSFER CHARACTERISTICS WHEN A PHASE CHANGE MEDIUM DISCHARGES THE STORED ENERGY TO A FINNED TUBE IN A HEAT STORAGE CONTAINER. THE PHASE CHANGE MEDIUM IS CALCIUM CHLORIDE HEXAHYDRATE WITH A FUSION TEMPERATURE OF 301 K (28 DEG C). IN THE SOLIDIFICATION PROCESS OF THE MEDIUM, THE HEAT DISCHARGE QUANTITY TO A FINNED TUBE IS GREATER THAN THAT TO A SINGLE TUBE. THE FIN EFFECT OF THE FINNED TUBE DECREASES AS THE INCREASE IN THE ACCUMULATIVE HEAT DISCHARGE QUANTITY RATE. THE THERMAL RESISTANCE OF THE FINNED TUBE IS GREATER THAN THAT OF THE SINGLE TUBE. ESPECIALLY IN THE RANGE OF LARGE VALUES IN THE ACCUMULATIVE HEAT DISCHARGE RATE, THE THERMAL RESISTANCE INCREASES SO THAT THE RATIO OF THE DEAD SPACE OF THE HEAT TRANSFER AREA INCREASES AT THE CONTACT POINTS OF THE FINS AND THE TUBE.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1985-1423
  • Languages: Japanese
  • Source: Trans. JAR - vol. 1 - n. 1
  • Publication date: 1984
  • Document available for consultation in the library of the IIR headquarters only.

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