Enhancement in pool boiling heat transfer of ethanol and nanofluid on novel supersonic nanoblown nanofiber textured surface

被引：7

作者：

Thakur, Satyam Singh ^{[1
]}

Chandel, Sheshang Singh ^{[1
]}

Kakoria, Ashish ^{[1
]}

Sinha-Ray, Sumit ^{[1
,2
]}

机构：

[1] Indian Inst Technol Mandi, Sch Engn, Mandi, HP, India

[2] Univ Illinois, Dept Mech & Ind Engn, Chicago, IL USA

来源：

EXPERIMENTAL HEAT TRANSFER | 2022年 / 35卷 / 04期

关键词：

supersonic nanoblown nanofibers; CHF; BHTC; nanofluid; kickback; TRANSFER COEFFICIENTS; NOVEC; 7300; WATER; CHF; MIXTURES; SMOOTH; FLUIDS;

D O I：

10.1080/08916152.2021.1919243

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Pool boiling of ethanol and Cu-nanofluid was investigated on bare and novel supersonic nanoblown polymer nanofiber nanotextured copper surface. Significant improvement in early ONB (2 degrees C reduction), CHF (23.5%), and BHTC (similar to 2-2.5 times) were achieved in nanotextured surface than bare one. Boiling of nanofluids led to the degradation of ONB and BHTC, with an increase in CHF by 16.7%. Synergistic effect of nanofluid boiling on nanotextured surface led to remarkable enhancement of CHF (44%), BHTC (>2.5 times), and ONB (3 degrees C reduction). The nanofluid and nanotexture aided in ONB and CHF via enhancing nucleation sites, liquid overheating, bubble chopping, and surface wettability.

引用

页码：516 / 532

页数：17

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