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Heat transfer

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Heat transfer is the way the heat moves from one physical system (or body) to another. Heat transfer requires a difference in temperature.[1] Heat moves from the hotter body (higher temperature) to the colder one (lower temperature).[2] The bodies in question may be in a solid state, a liquid state or a gaseous state.[2] There are three modes of heat transfer: conduction, convection and radiation.[1]


  1. 1.0 1.1 Tariq Muneer; Jorge Kubie; Thomas Grassie, Heat Transfer: A Problem Solving Approach, Volume 1 (New York: Taylor & Francis, 2003), p. 1
  2. 2.0 2.1 S.P. Sukhatme, A Textbook on Heat Transfer (Hyderabad, India: Universities Press, 2005), p. 1