Microscale Heat Transfer

  • Amit Agrawal
  • Hari Mohan Kushwaha
  • Ravi Sudam Jadhav
Part of the Mechanical Engineering Series book series (MES)


In this chapter, we present the fundamental aspects of microscale heat transfer for gas flow through different geometries. Such a study is motivated by interest in cooling of electronic components, energy conversion devices, and other MEMS and bio-medical applications. The heat transfer at microscale is different than that of macroscale primarily due to the presence of velocity slip and temperature jump at the wall. The physics pertinent to microscale heat transfer is reasonably complex and solutions of various simplified models are available in the literature. Here we confine our presentation to the slip flow regime for flow through three configurations: parallel plates, microtube, and micro-annulus. We also briefly discuss the effect of other complicating factors and comment on comparison with experiments. A discussion on Knudsen pump and useful empirical correlations are also provided.


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Amit Agrawal
    • 1
  • Hari Mohan Kushwaha
    • 1
  • Ravi Sudam Jadhav
    • 1
  1. 1.Department of Mechanical EngineeringIndian Institute of Technology, BombayMumbaiIndia

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