Journal of Shandong University(Engineering Science) ›› 2025, Vol. 55 ›› Issue (6): 100-107.doi: 10.6040/j.issn.1672-3961.0.2024.334

• 能动工程——热管理专题 • Previous Articles    

Design and experimental research of centrifugally-enhanced involute heat pipe for spacecraft

SONG Yunfei1, ZHANG Hongxing1, ZHOU Yupeng1, YANG Changpeng1, XIE Yongqi2   

  1. SONG Yunfei1, ZHANG Hongxing1, ZHOU Yupeng1, YANG Changpeng1, XIE Yongqi2(1. National Key Laboratory of Spacecraft Thermal Control(Beijing Institude of Spacecraft System Engineering), Beijing 100094, China;
    2. School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China
  • Published:2025-12-22

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Abstract: To address the thermal path optimization for high heat dissipation and high heat flux concentration devices on scanning-mode spacecraft rotating platforms, a centrifugally-enhanced involute heat pipe(CEIhp)was designed. By optimizing the heat pipe configuration, the impact of platform rapid rotation on the startup of the heat pipe was reduced, and the rotational acceleration was leveraged to enhance its maximum heat transfer capacity. A centrifugal test platform was established to validate both thermal transfer and startup performance of the CEIhp. Experimental results demonstrated that the CEIhp could successfully initiate operation across angular velocity of 0-2.512 rad·s-1. The heat transfer capacity of CEIhp increased from 170 W·m to 421 W·m as the angular velocity rose, with the startup power requirement escalating to 6.6 W. This achievement fulfilled the application requirements for efficient heat transfer on scanning-mode spacecraft rotating platforms and enabled full-range efficient thermal dissipation for compact rotating platforms.

Key words: scanning-mode spacecraft, angular velocity, centrifugally-enhanced, involute heat pipe, heat transfer capacity, startup performance

CLC Number: 

  • V444.3
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