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中文摘要：
CPU散热器是将CPU核心热量迅速导出的关键，已成为获得新一代电子芯片的主要问题之一。采用数值模拟方法对放射状太阳花CPU散热器进行三维流场及温度场分析，探讨放射状散热器在不同的肋片形状、肋片数N和肋片厚度等各种不同的参数作用下，对于整体散热器散热和流动性能的变化与影响，同时分析了太阳花散热器自然对流和瞬时动态特性。
英文摘要：
Heat sink is the key component of heat removal from CPU rapidly and has became one of the main problems in the new generation of electronic chips. Computational fluid dynamic is used in this paper to simulate the flow and heat transfer of radiation-shaped heat sinks to explore overall thermal and fluid performances under various parameters such as fin profile, density of fins ,fin thickness. Finally, natural convection and instantaneous dynamic characteristics are also analyzed.
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