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本文在充灌率、冷凝温度和初始状态三方面对mLHP系统的稳定性进行分析。研究发现,选择合适的充灌率有利于保证系统稳定运行。较少的充灌量时毛细芯容易缺液而导致系统启动失败,较多的充灌量时系统在低热负荷区易发生波动。过低的冷凝温度对系统稳定性有负面影响,系统容易出现温度波动甚至失稳。而毛细芯内气泡的存在,易导致了mLHP系统出现温度迟滞现象。
In this paper, the stability of mLHP system is analyzed in terms of filling rate, condensation temperature and initial state. The study found that the choice of appropriate filling rate is conducive to ensuring the stable operation of the system. Fewer filling amount of capillary wick easily lead to system failure, more filling system is prone to fluctuations in the low heat load area. Low condensing temperature has a negative impact on the stability of the system, the system prone to temperature fluctuations or even instability. The presence of air bubbles in the capillary core can easily lead to temperature hysteresis in the mLHP system.