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介绍微尺度传热的研究方法及成果、微型换热器的结构,分析松弛时间理论近似线性化Boltzmann方程散射项的实用性和局限性.提出微尺度热传导的时空问题,微冷却系统概念.微/纳米、飞/皮秒的传热问题,对传统工程热物理既是一场挑战,也是一场机遇.
This paper introduces the research methods and achievements of micro-scale heat transfer, the structure of micro heat exchanger, and analyzes the practicality and limitations of the approximation of the Boltzmann equation scattering term by relaxation time theory. / Nano, fly / picosecond heat transfer problems, both traditional engineering thermophysics is a challenge, but also an opportunity.