What is it about?

A heat pipe is a heat transfer device, usually consisting of a metal tube filled with a liquid. It can transfer heat efficiently and is used in many applications, such as heat dissipation in electronic devices and temperature regulation. We combine the negative pressure system, forced flow heat transfer, and phase change heat transfer, which have a significant effect on heat transfer in heat pipes, to investigate the optimal heat transfer conditions by varying parameters such as heat pipe inclination, hot water inlet temperature, and mass flow rate.

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Why is it important?

Our experimental study shows that the negative pressure system, the forced flow heat transfer and the phase change heat transfer can work simultaneously in the heat pipe system and can greatly improve the heat transfer efficiency. In addition, we find the optimal heat transfer conditions by changing the inclination angle, mass flow rate and hot water inlet temperature.

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This page is a summary of: Experimental study of boiling heat transfer characteristics of forced flow in annular tube under negative pressure, AIP Advances, September 2023, American Institute of Physics,
DOI: 10.1063/5.0150817.
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