Techniques For Eliminating Thermal-Acoustical Oscillation In Cryogenic Instrumentation

Ralph H. Haycock

doi:10.1117/12.959345

3 November 1980 Techniques For Eliminating Thermal-Acoustical Oscillation In Cryogenic Instrumentation

Ralph H. Haycock

Proceedings Volume 0245, Cryogenically Cooled Sensor Technology; (1980) https://doi.org/10.1117/12.959345
Event: 24th Annual Technical Symposium, 1980, San Diego, United States

Abstract

A phenomenon known as thermal acoustical oscillation, which can be very troublesome and difficult to eliminate, occurs in cryogenic systems when a tube closed on one end is inserted into a cryogenic container. This oscillation can cause an increase in the conduction heat transfer in the tube by several orders of magnitude. A design approach is presented for the elimination of thermal acoustical oscillation based upon the Roth theory. Techniques that have been found useful in improving stability include: Helmholtz resonator, perforated fill line, heat sinking of vent tube, connecting vent and fill lines, and low pressure check valve.

Citation Download Citation

Ralph H. Haycock "Techniques For Eliminating Thermal-Acoustical Oscillation In Cryogenic Instrumentation", Proc. SPIE 0245, Cryogenically Cooled Sensor Technology, (3 November 1980); https://doi.org/10.1117/12.959345

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