Journal of Shandong University(Engineering Science) ›› 2026, Vol. 56 ›› Issue (2): 139-146.doi: 10.6040/j.issn.1672-3961.0.2024.330

• Energy and Power Engineering—Special Issue for Thermal Management • Previous Articles    

Design and performance analysis of pumped two-phase cooling system for more electric aircraft thermal management

WU Tao1, WANG Lizhi1*, RONG Yi1, ZHANG Xueqin1, TANG Yicun2   

  1. WU Tao1, WANG Lizhi1*, RONG Yi1, ZHANG Xueqin1, TANG Yicun2(1. Yangzhou Collaborative Innovation Research Institute Co., Ltd., Shenyang Aircraft Design and Research Institute, Yangzhou 225006, Jiangsu, China;
    2. School of Advanced Manufacturing, Nanchang University, Nanchang 330031, Jiangxi, China
  • Published:2026-04-13

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Abstract: In order to address the heat dissipation problem for high heat flux devices such as electric actuators and electronic equipment on more electric aircraft, in this paper a pumped two-phase cooling system with multiple evaporators in parallel was proposed. Based on the characteristics of the thermal load, the overall design of the cooling system was completed, and the operating performance of the pumped two-phase cooling system was analyzed and evaluated using simulation methods. The results showed that the microchannel evaporators with a channel size of less than 1 mm could effectively cool electronic devices and electric actuators with a heat flux density of more than 40 W/cm2. The cooling system exhibited excellent steady-state and dynamic performance and could effectively dissipate up to 40 kW heat load. Under all the operating conditions studied in this paper, the cooling and temperature control requirements were all met.

Key words: pumped two-phase cooling system, multiple evaporators in parallel, microchannel evaporators, steady-state performance, dynamic performance

CLC Number: 

  • TK124
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