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THERMAL ANALYSIS OF CRYOPUMP FIRST STAGE ARRAY.

Author(s) : LEE J. W., LEE Y. K.

Type of article: Article

Summary

DETAILED NUMERICAL ANALYSIS OF THE HEAT TRANSFER IN THE FIRST STAGE ARRAY OF A MODEL CRYOPUMP WAS PERFORMED FORBOTH THE STEADY STATE AND THE UNSTEADY COOLDOWN PERIOD, TO FIND THE EFFECT ON THE TEMPERATURE DISTRIBUTION AND THE COOLDOWN TIME OF SEVERAL DESIGN PARAMETERS SUCH AS THICKNESS AND SURFACE EMISSIVITY OF THE RADIATION SHIELD, THE USE OF THERMAL STRUTS, SHAPE OF THE THERMAL ANCHOR, AND THE CHOICE OF SHIELD MATERIAL BETWEEN ALUMINIUM AND OFHC COPPER. THE VARIATION OF THERMAL CONDUCTIVITY AND HEAT CAPACITY WITH TEMPERATURE WAS TAKEN INTO ACCOUNT. (PASCAL, Bibliogr. int., ENERG., FR., 230, N 7, 1991, 7032.

Details

  • Original title: THERMAL ANALYSIS OF CRYOPUMP FIRST STAGE ARRAY.
  • Record ID : 1992-0944
  • Languages: English
  • Source: Vacuum - vol. 42 - n. 7
  • Publication date: 1991

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