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Title: Nucleate boiling performance evaluation of cavities at mesoscale level

Abstract

Nucleate boiling heat transfer (NBHT) from enhanced structures is an effective way to dissipate high heat flux. Here, a 3D multi-relaxation-time (MRT) phase-change lattice Boltzmann method in conjunction with conjugated heat transfer treatment is proposed and then applied to the study of cavities behaviours for nucleation on roughened surfaces for an entire ebullition cycle without introducing any artificial disturbance. The bubble departure diameter, departure frequency and total boiling heat transfer rate are also explored. We demonstrate that the cavity shapes show significant influence on the features of NBHT. The total heat transfer rate increases with the cavity mouth and cavity base area while decreases with the increase in cavity bottom wall thickness. The cavity with low wetting can enhance the heat transfer and improve the bubble release frequency.

Authors:
 [1];  [1];  [1]; ORCiD logo [2];  [1]
  1. Xi'an Jiaotong Univ., Shaanxi (China). School of Energy and Power Engineering
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Computational Earth Science Group (EES-16)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE; National Natural Science Foundation of China (NNSFC)
OSTI Identifier:
1416303
Report Number(s):
LA-UR-17-27596
Journal ID: ISSN 0017-9310
Grant/Contract Number:
AC52-06NA25396
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
International Journal of Heat and Mass Transfer
Additional Journal Information:
Journal Volume: 106; Journal Issue: C; Journal ID: ISSN 0017-9310
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 42 ENGINEERING; Lattice Boltzmann method; Nucleate boiling; Conjugated heat transfer; Cavity shape; Multi-relaxation-time (MRT)

Citation Formats

Mu, Yu-Tong, Chen, Li, He, Ya-Ling, Kang, Qin-Jun, and Tao, Wen-Quan. Nucleate boiling performance evaluation of cavities at mesoscale level. United States: N. p., 2016. Web. doi:10.1016/j.ijheatmasstransfer.2016.09.058.
Mu, Yu-Tong, Chen, Li, He, Ya-Ling, Kang, Qin-Jun, & Tao, Wen-Quan. Nucleate boiling performance evaluation of cavities at mesoscale level. United States. doi:10.1016/j.ijheatmasstransfer.2016.09.058.
Mu, Yu-Tong, Chen, Li, He, Ya-Ling, Kang, Qin-Jun, and Tao, Wen-Quan. Thu . "Nucleate boiling performance evaluation of cavities at mesoscale level". United States. doi:10.1016/j.ijheatmasstransfer.2016.09.058. https://www.osti.gov/servlets/purl/1416303.
@article{osti_1416303,
title = {Nucleate boiling performance evaluation of cavities at mesoscale level},
author = {Mu, Yu-Tong and Chen, Li and He, Ya-Ling and Kang, Qin-Jun and Tao, Wen-Quan},
abstractNote = {Nucleate boiling heat transfer (NBHT) from enhanced structures is an effective way to dissipate high heat flux. Here, a 3D multi-relaxation-time (MRT) phase-change lattice Boltzmann method in conjunction with conjugated heat transfer treatment is proposed and then applied to the study of cavities behaviours for nucleation on roughened surfaces for an entire ebullition cycle without introducing any artificial disturbance. The bubble departure diameter, departure frequency and total boiling heat transfer rate are also explored. We demonstrate that the cavity shapes show significant influence on the features of NBHT. The total heat transfer rate increases with the cavity mouth and cavity base area while decreases with the increase in cavity bottom wall thickness. The cavity with low wetting can enhance the heat transfer and improve the bubble release frequency.},
doi = {10.1016/j.ijheatmasstransfer.2016.09.058},
journal = {International Journal of Heat and Mass Transfer},
number = C,
volume = 106,
place = {United States},
year = {Thu Sep 29 00:00:00 EDT 2016},
month = {Thu Sep 29 00:00:00 EDT 2016}
}

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