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Início Arquivos Representantes Futuras reuniões American Society of Thermal and Fluids Engineering
First Thermal and Fluids Engineering Summer Conference

ISSN: 2379-1748

ANALYTICAL SOLUTION OF HEAT TRANSFER OF A LIQUID PLUG FLOWING IN A TUBE WITH UNIFORM WALL TEMPERATURE

H. Wang
Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia, MO 65211, USA

Da Yin
Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia, MO 65211, USA

Hongbin Ma
Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia, Missouri, 65211, USA

DOI: 10.1615/TFESC1.mph.013187
pages 1733-1745


Palavras-chave: oscillating flow, oscillating heat pipe analytical solution

Resumo

In this paper, an analytical solution of temperature and Nusselt number distributions of developing region are derived for a liquid plug flowing in a tube, which is similar to an acceleration or deceleration phase of an oscillating flow of a liquid plug occurring in an oscillating heat pipe (OHP). During the acceleration or deceleration process, the liquid plug can be assumed as the developing region of a fully developed flow. The results show that the Nusselt number of a liquid plug during the acceleration or deceleration process is much higher than that in the fully developed region. The model will be used to explain how an oscillating flow can enhance fluid flow and heat transfer of a liquid plug in an OHP.

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