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Experimental and numerical results in closed annular space heat transfer at low temperature.

Author(s) : CHATAIN D., VALLCORBA R.

Type of article: Article

Summary

As part of the Laser Megajoule Facility for cryogenic targets, the authors have studied the heat transfer at low temperature (6-20 K) between two coaxial cylinders whose annular space was filled with helium gas. They found that gas convection begins as soon as a temperature difference exists between the two cylinders even at low pressures. Convection can generate azimuthal temperature gradients because of the non-uniform local heat transfer. The experiment is compared to numerical simulations.

Details

  • Original title: Experimental and numerical results in closed annular space heat transfer at low temperature.
  • Record ID : 1998-0083
  • Languages: English
  • Source: Cryogenics - vol. 37 - n. 4
  • Publication date: 1997/04

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