| 微型换热器瞬态传热分析 |
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| 引用本文： | 钱中. 微型换热器瞬态传热分析[J]. 压力容器, 2011, 0(9): 26-29,36 |
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| 作者姓名： | 钱中 |
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| 作者单位： | 上海理工大学能源与动力工程学院; |
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| 基金项目： | 上海市优秀青年教师科研专项基金资助项目(slg09001) |
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| 摘 要： | 以用于芯片冷却的微型换热器为研究对象,建立三维仿真模型,分析其在热负荷按指数型和周期型变化情况下的瞬态传热.根据获得的换热器温度场、温度梯度和热应力分布,比较了纯铜和氮化硅复合物两种材质对换热器的散热性能,结果表明:铜优良的导热性能使得铜换热器在稳态工况下散热性能优于复合材质换热器,但瞬态分析显示,氮氧化硅复合物在结构...
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| 关 键 词： | 微型换热器 瞬态传热 温度场 热应力 |
Transient Heat Transfer Analysis of Micro Heat Exchanger |
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| QIAN Zhong. Transient Heat Transfer Analysis of Micro Heat Exchanger[J]. Pressure Vessel Technology, 2011, 0(9): 26-29,36 |
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| Authors: | QIAN Zhong |
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| Affiliation: | QIAN Zhong(School of Energy & Power Engineering,University of Shanghai for Science & Technology,Shanghai 200093,China) |
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| Abstract: | The research object is a micro heat exchanger(MHT) used for chip cooling,a three dimensional simulation model is developed to analyze the transient heat transfer of such a heat exchanger according to both exponential and periodic heat fluxes.Based on the obtained profiles of temperature,temperature gradient,and thermal stress,a comparison of performance between a copper exchanger and a silicon oxynitride compound exchange is given.The results indicate that the cooling capability of a copper heat exchanger i... |
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| Keywords: | micro heat exchanger transient heat transfer temperature field thermal stress |
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