Topic
Heat transfer
About: Heat transfer is a research topic. Over the lifetime, 181795 publications have been published within this topic receiving 2923586 citations. The topic is also known as: heat exchange.
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TL;DR: In this article, the authors investigated heat transfer and pressure drop phenomena over a bank of micro pin fin and found that very low thermal resistances are achievable using a pin fin heat sink.
419 citations
TL;DR: In this paper, the authors investigated the single-phase forced-flow convection of water or methanol flowing through microchannels with rectangular cross-section and found that the fully developed turbulent convection regime was initiated at about Re = 1000-1500.
418 citations
TL;DR: In this article, a correlation for fin-and-tube heat exchanger having plain fin geometry is proposed, which can describe 88.6% of the database within ±15%.
417 citations
TL;DR: In this article, a review of the literature on entropy generation due to flow and heat transfer of nanofluids in different geometries and flow regimes is presented, and some suggestions for future work are presented.
416 citations
TL;DR: In this article, a simple equivalent circuit to represent the thermal heat flow equations for power transformers is presented, which uses a current source analogy to represent heat input due to losses, and a nonlinear resistor analogy to simulate the effect of air or oil cooling convection currents.
Abstract: A simple equivalent circuit to represent the thermal heat flow equations for power transformers is presented. Key features are the use of a current source analogy to represent heat input due to losses, and a nonlinear resistor analogy to represent the effect of air or oil cooling convection currents. The effect was first quantified in 1817. It is shown that the idea of "exponential response" is not the best way to think of the dynamics of the situation. It is also shown that one can consider ambient temperature to be a variable input to the system, and that it is properly represented as an ideal voltage source.
416 citations