【摘要】 为了实现计算机芯片散热静音、高效的目的,研制了一种新型的、以双腔并联压电泵为动力源的计算机芯片水冷散热系统,解释了双腔并联压电泵的结构及工作原理,应用流体动力学、传热学等理论阐明了水冷散热器的设计方法.采用有限元分析软件对散热器进行了热量分布仿真,通过实验的方式,测试了水冷系统内部流量及风扇对计算机芯片散热效果的影响规律.通过与现有芯片CPU Cooler系列风冷散热器的对比实验,发现该水冷系统的散热效率较高,在相同工况、加热功率60 W时,研制的集成式水冷系统所冷却的模拟芯片加热器的热平衡温度比CPU Cooler冷却时的温度低6℃,而到达热平衡的时间却缩短了35 min.更多还原

【Abstract】 To cool computer chip silently and efficiently,a new type of computer chip water-cooling system driven by piezoelectric pump with two parallel-connected chambers is fabricated,and the mechanism and structure of piezoelectric pump with two parallel-connected chambers are described.The designing method of water-cooling radiator is proposed based on the theory of fluid dynamics and heat transfer,and a finite element simulation of heat distribution is carried out.The influences of flowrate in the cooling system and fan are experimentally explicated,It is found that the compositive watercooling system enables to shorten 35 min to reach lower heater steady temperatures as 6 ℃than the current wind-cooling radiator at 60 W heating power level.更多还原