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May 9, 2026Open Access

Experimental Study of Heat Transfer Characteristics of Oscillating Heat Pipe with Different Numbers and Orientations of Check Valves.

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Authors

AKAyumu KawaguchiYSYuzen SASAOKAMAMakiko Ando

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Overview

Experimental study investigates optimal check valve configurations for improved heat transfer performance.

Key Points

  • The aim of this study is to identify the optimal number and orientation of check valves to enhance the heat transfer performance of a CVOHP.
  • Conducted experiments with four types of 15-turn CVOHPs with varying check valve placements and orientations.
  • Analyzed effects of check valves placed every turn, every two turns, every five turns, and no check valves.
  • Investigated two orientations: forward (flow from cooling to heating section) and backward (opposite flow).
  • In the forward orientation, thermal resistance decreased with an increased number of check valves.
  • In the backward orientation, thermal resistance increased with more check valves and heat transfer capability declined significantly.
  • Recommended optimal configuration is installing check valves at every turn in the forward orientation.

Cite This Study

Kawaguchi et al. (2024) studied this question.

synapsesocial.com/papers/69fece83b9154b0b82875e81https://doi.org/10.32865/2346/98944
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