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What is Dittus-boelter equation in convection.where and when does it apply?
Wiki User
∙ 11y ago
The Dittus and Boelter equation is:
Nu = 0.023Re0.8Pr0.4
Wiki User
∙ 11y ago
The Dittus-Boelter equation is used to calculate the convective heat transfer coefficient in a fluid flowing inside a tube. It applies to fully developed turbulent flow in the range of Reynolds numbers typically between 3000 and 100,000. The equation is given as Nu = 0.023Re^0.8Pr^0.4, where Nu is the Nusselt number, Re is the Reynolds number, and Pr is the Prandtl number.
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