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Transient Modeling of a Capillary Pumped Loop for Terrestrial Applications

Abstract : Improvement of a new design for a capillary pumped loop (CPL) ensuring high dissipation electronics cooling in ground transportation has been carried out over recent years. Experimental studies on the hybrid loop, which share some characteristics with the standard CPL and loop heat pipe (LHP), have underlined the sizable potential of this new system, particularly with regard to its upcoming industrial applications. In order to obtain a reliable tool for sizing and design of this CPL for terrestrial applications (CPLTA), the present transient thermohydraulic modeling has been developed. Based on the nodal method, the model’s originality consists of transcribing balance equations under electrical networks by analogy. The model’s validation is provided by experimental results from a new CPLTA bench with three parallel evaporators. Large-scale numerical evaluation of loop behavior in a gravity field with a single evaporator shall facilitate understanding of the different couplings between loop parts. In addition, modeling of a multi-evaporator loop is introduced and compared with recent experimental results.
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https://hal.univ-lorraine.fr/hal-01744812
Contributor : Nicolas Blet <>
Submitted on : Tuesday, March 27, 2018 - 4:30:50 PM
Last modification on : Thursday, March 5, 2020 - 7:24:47 PM

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Nicolas Blet, Vincent Platel, Vincent Ayel, Yves Bertin, Cyril Romestant. Transient Modeling of a Capillary Pumped Loop for Terrestrial Applications. Journal of Heat Transfer, American Society of Mechanical Engineers, 2016, 138 (7), ⟨10.1115/1.4032960⟩. ⟨hal-01744812⟩

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