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An alternative approach to evaluate the average Nusselt number for mixed boundary layer conditions in parallel flow over an isothermal flat plate

Stetsyuk, V., Kubiak, Krzysztof, Liu, Lande and Chai, John (2017) An alternative approach to evaluate the average Nusselt number for mixed boundary layer conditions in parallel flow over an isothermal flat plate. International Journal of Mechanical Engineering Education. ISSN 0306-4190 (In Press)

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Abstract

In this paper, we present an alternative approach to evaluate the average Nusselt number for mixed boundary layer conditions in parallel flow over an isothermal flat plate. This approach can be used regardless of the critical Reynolds number where the flow transitions from laminar flow to turbulent flow. This approach is simple and uses graphical visualisation of the physical situation. This should assist comprehension and retention. It utilises the average quantity for the laminar boundary layer and the average value for turbulent boundary layer to obtain the average quantities for mixed boundary layers without the need to perform the usual integration. It can easily be incorporated into part of undergraduate chemical, mechanical and petroleum engineering curricula. A worked example is included to show the utility of the approach.

Item Type: Article
Uncontrolled Keywords: Heat transfer coefficient; Nusselt number; Isothermal flat plate
Subjects: T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
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Depositing User: Viacheslav Stetsyuk
Date Deposited: 18 Sep 2017 11:15
Last Modified: 18 Sep 2017 11:18
URI: http://eprints.hud.ac.uk/id/eprint/33307

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