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Local temperature measurements in supercritical counterflow in liquid helium II

Dimotakis, Paul E. and Broadwell, James E. (1973) Local temperature measurements in supercritical counterflow in liquid helium II. Physics of Fluids, 16 (11). pp. 1787-1795. ISSN 0031-9171. doi:10.1063/1.1694214.

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In order to investigate the validity of appending the Gorter-Mellink friction term to the equations of motion of liquid helium, the temperature was measured along the axis of a channel carrying a supercritical heat current. A single thermomenter on a traversing assembly was used permitting local measurements both in the interior of the channel and in the jet formed in the free fluid. The temperature gradient in the interior of the channel is found to be in agreement with the Gorter-Mellink law up to the lambda point, but goes to zero within a channel radius, in the free jet. The Gorter-Mellink A (T ) was also measured up to the lambda point. A much stronger divergence is found as T λ is approached than was indicated by previous measurements.

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Additional Information:© 1973 American Institute of Physics. Received 6 February 1973. The authors would like to thank Dr. H. A. Notarys for his invaluable advice throughout the course of this experiment and Professor H. W. Liepmann for many illuminating discussions. The present work was supported by the Sloan Fund of the California Institute of Technology.
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Alfred P. Sloan FoundationUNSPECIFIED
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GALCIT Publication714
Issue or Number:11
Record Number:CaltechAUTHORS:DIMpof73
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4348
Deposited By: Tony Diaz
Deposited On:18 Aug 2006
Last Modified:08 Nov 2021 20:16

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