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Abstract

The thermal performance of gravity assisted heat pipes and closed two-phase thermosyphons (reflux heat pipes) is investigated. Engineering design tools are generated which comprise correlations for predicting the maximum performance and data on the effective thermal conductance of these heat transfer components. The vapour - liquid flow interaction in high performance gravity assisted heat pipes - closed two-phase thermosyphons, which are intended to be used mainly for industrial heat recovery applications, is studied and flow separators are investigated as a means to improve the thermal performance. A multitude of working fluid - structural material combinations is tested, especially for the temperature range 250 degrees C to 45 degrees C. Applications for heat recovery units employing gravity assisted heat pipes and closed two-phase thermosyphons as components are compiled and economic data on these devices are presented.

Additional information

Authors: GROLL M, INSTITUT FUER KERNTECHNIK UND ENERGIEWANDLUNG E.V. STUTTGART (GERMANY);HEINE D, INSTITUT FUER KERNTECHNIK UND ENERGIEWANDLUNG E.V. STUTTGART (GERMANY);SPENDEL TH INSTITUT FUER KERNTECHNIK UND ENERGIEWANDLUNG E.V. STUTTGART (GERMANY), INSTITUT FUER KERNTECHNIK UND ENERGIEWANDLUNG E.V. STUTTGART (GERMANY)
Bibliographic Reference: EUR 9166 EN (1984) MF, 175 P.,BFR 240, BLOW-UP COPY BFR 875, EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
Record Number: 1989123027900 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en
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