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Title:
Effect of surfactant additives on nucleate pool boiling heat transfer of refrigerant-based nanofluid
Author: Peng H(彭浩); Ding GL(丁国良); Hu HT(胡海涛)
Source: Experimental Thermal and Fluid Science
Issued Date: 2011
Volume: 35, Issue:6, Pages:960-970
Abstract: Effect of surfactant additives on nucleate pool boiling heat transfer of refrigerant-based nanofluid was investigated experimentally. Three types of surfactants including Sodium Dodecyl Sulfate (SDS), Cetyl-trimethyl Ammonium Bromide (CTAB) and Sorbitan Monooleate (Span-80) were used in the experiments. The refrigerant-based nanofluid was formed from Cu nanoparticles and refrigerant R113. The test surface is horizontal with the average roughness of 1.6 mu m. Test conditions include a saturation pressure of 101.3 kPa, heat fluxes from 10 to 80 kW m(-2), surfactant concentrations from 0 to 5000 ppm (parts per million by weight), and nanoparticle concentrations from 0 to 1.0 wt.%. The experimental results indicate that the presence of surfactant enhances the nucleate pool boiling heat transfer of refrigerant-based nanofluid on most conditions, but deteriorates the nucleate pool boiling heat transfer at high surfactant concentrations. The ratio of nucleate pool boiling heat transfer coefficient of refrigerant-based nanofluid with surfactant to that without surfactant (defined as surfactant enhancement ratio, SER) are in the ranges of 1.12-1.67, 0.94-1.39, and 0.85-1.29 for SDS. CTAB and Span-80, respectively, and the values of SER are in the order of SDS > CTAB > Span-80, which is opposite to the order of surfactant density values. The SER increases with the increase of surfactant concentration and then decreases, presenting the maximum values at 2000, 500 and 1000 ppm for SDS, CTAB and Span-80, respectively. At a fixed surfactant concentration, the SER increases with the decrease of nanoparticle concentration. A nucleate pool boiling heat transfer correlation for refrigerant-based nanofluid with surfactant is proposed, and it agrees with 92% of the experimental data within a deviation of +/- 25%. (C) 2011 Elsevier Inc. All rights reserved.
Keyword: Correlation ; Nanofluid ; Nucleate Boiling ; Refrigerant ; Surfactant ; Thermal-Conductivity ; Transfer Enhancement ; Molecular-Weight ; Nanoparticles ; Water
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Ding, GL (reprint author), Shanghai Jiao Tong Univ, Inst Refrigerat & Cryogen, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
Correspondent Email: glding@sjtu.edu.cn
DOI: 10.1016/j.expthermflusci.2011.01.016
Related URLs: 查看原文
DOC Type: Article
WOS Subject: Thermodynamics ; Engineering, Mechanical ; Physics, Fluids & Plasmas
WOS Subject Extended: Thermodynamics ; Engineering ; Physics
WOS Keyword Plus: THERMAL-CONDUCTIVITY ; TRANSFER ENHANCEMENT ; MOLECULAR-WEIGHT ; NANOPARTICLES ; WATER
WOS ID: WOS:000292076100011
ISSN: 0894-1777
Rank: [Peng, Hao; Ding, Guoliang; Hu, Haitao] Shanghai Jiao Tong Univ, Inst Refrigerat & Cryogen, Shanghai 200240, Peoples R China; [Peng, Hao] Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100190, Peoples R China
Subject: Thermodynamics ; Engineering ; Physics
Classification: 一类
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/45078
Appears in Collections:国家微重力实验室_期刊论文

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Recommended Citation:
Peng H,Ding GL,Hu HT. Effect of surfactant additives on nucleate pool boiling heat transfer of refrigerant-based nanofluid[J]. Experimental Thermal and Fluid Science,2011-01-01,35(6):960-970.
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