Numerical investigation of boiling model parameters for nanofluids

YUAN Yang; LI Xiangdong; TU Jiyuan

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Journal of Tsinghua University(Science and Technology) ›› 2015, Vol. 55 ›› Issue (7) : 815-820.

NUCLEAR AND NEW ENERGY TECHNOLOGY

Numerical investigation of boiling model parameters for nanofluids

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Abstract

The lack of accurate boiling heat transfer models for nanofluids limits their applications in industrial systems. This study describes the mechanisms for nucleate pool boiling of nanofluids based on experimental results in the literature. New closure correlations are given for the nucleate boiling parameters to improve the classical heat flux partitioning model. The numerical results agree well with available experimental data. The most important task when modeling nucleate boiling of nanofluids is to accurately predict the effects of the surface wettability and surface morphology caused by the nano-coating on the bubble nucleation, growth and departure from the heater surface.

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heat transfer / nanofluids / nucleate boiling / heat flux partitioning model / parameter

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YUAN Yang, LI Xiangdong, TU Jiyuan. Numerical investigation of boiling model parameters for nanofluids[J]. Journal of Tsinghua University(Science and Technology). 2015, 55(7): 815-820

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