DESIGN AND DEVELOPMENT OF A CRYOGENIC PUMPING EVALUATION FACILITY.

Abstract

A cryogenic pump is a cold surface employed to remove large volumes of gases from a vacuum system by condensing and freezing the gas molecules. Experimental results are presented for the cryopumping rate of carbon dioxide gas on a surface cooled by liquid nitrogen, and for nitrogen gas on a surface cooled by liquid helium. The nature of the problems encountered in the design and construction of a cryogenic pumping system are also discussed. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1965
Accession Number
AD0475236

Entities

People

  • Carl M. Albero

Organizations

  • Naval Postgraduate School

Tags

DTIC Thesaurus Topics

  • Buildings And Structures
  • Carbon Dioxide
  • Construction
  • Cryopumping
  • Freezing
  • Mechanisms (Engineering)
  • Molecules
  • Nitrogen
  • Pumping
  • Pumps
  • Test And Evaluation
  • Test Facilities

Fields of Study

  • Physics

Readers

  • Combustion and Flow Dynamics.