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An experimental and numerical study of He II two-phase flow in the TESLA test facility.

Author(s) : XIANG Y., WEISEND J. G. II, SMITH M., et al.

Type of article: Article

Summary

The authors report on measurements of the liquid level and temperature corresponding to different local heat loads at several sections of the He II two-phase flow channel in the TESLA (Tera-eV Energy Superconducting Linear Accelerator) Test Facility phase I (TTF1) during its operation. The measurements show that under normal operating conditions saturation between He II and its vapor can be maintained even in the transient process of heat transfer. A computer code for He II stratified two-phase flow analysis has been developed for the numerical simulation of the He II and vapor flow in the configuration of the cryogenic cooling channel in TTF1. Comparison with the measurement shows the prediction by the code agrees well with the experimental results. The code also predicts the maximum heat load under which the two-phase tube in TTF1 would locally dry out. In its application, the code is helpful to evaluate the impact on the flow behaviour resulting from changes to the TTF1 configuration.

Details

  • Original title: An experimental and numerical study of He II two-phase flow in the TESLA test facility.
  • Record ID : 2004-0010
  • Languages: English
  • Source: Cryogenics - vol. 42 - n. 11
  • Publication date: 2002/11

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