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Study of Design Parameters of Circumferentially Grooved Heat Pipes to Be Applied to a CPL
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English
Abstract
Circumferentially grooved heat pipes have been studied as capillary pumps to be used in two-phase heat transfer loops. Experimental results up to 1.7 W/cm2 were found for Freon 11 as the working fluid. To improve the knowledge of the performance of these capillary pumps, some design parameters are now studied. The heat transport capability and the capillary pumping pressure are analyzed for different values of the groove width, groove opening angle and inner radius of the capillary pump. Theoretical results indicates somewhat better performance for capillary pumps with rectangular grooves than with trapezoidal grooves. Fine groove widths and small values of inner radius are also desirable.
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Bazzo, E. and Colle, S., "Study of Design Parameters of Circumferentially Grooved Heat Pipes to Be Applied to a CPL," SAE Technical Paper 972452, 1997, https://doi.org/10.4271/972452.Also In
References
- Ku J. Overview of Capillary Pumped Loop Technology ASME 29th National Heat Transfer Conference 236 Atlanta August 8-11 1993
- Bazzo E. Groll M. Brost O. Colle S. Circumferentially Grooved Heat Pipes Applied to a Capillary Pumped Two-phase Loop 24th International Conference on Environmental Systems and 5th European Symposium on Space Environmental Control Systems, paper 941579 Friedrichshafen June 20-23 1994
- Bazzo E. Groll M. Brost O. Colle S. Hydrodynamic Analysis and Capillary Limitation of Circumferentially Grooved Heat Pipe Evaporators Proceedings of the 4th. International Heat Pipe Symposium Tsukuba 1994
- Monde M. Kusuda H. Uehara H. Critical Heat Flux during Natural Convective Boiling in Vertical Rectangular Channels Submerged in Saturated Liquid ASME Journal of Heat Transfer-Transaction 104 300 303 1982
- Bazzo E. Passos J. C. Colle S. Thermal Behavior of Circumferentially Grooved Capillary Pumps Proceedings of the 6th Brazilian Congress of Engineering and Thermal Sciences and 6th Latin American Congress of Heat and Mass Transfer Florianópolis November 11-14 1996