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Effect of surfactant additives on nucleate pool boiling heat transfer of refrigerant-based nanofluid
Peng H(彭浩); Ding GL(丁国良); Hu HT(胡海涛); Ding, GL (reprint author), Shanghai Jiao Tong Univ, Inst Refrigerat & Cryogen, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
Source PublicationExperimental Thermal and Fluid Science
2011
Volume35Issue:6Pages:960-970
ISSN0894-1777
AbstractEffect 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.
KeywordCorrelation Nanofluid Nucleate Boiling Refrigerant Surfactant Thermal-conductivity Transfer Enhancement Molecular-weight Nanoparticles Water
Subject AreaThermodynamics ; Engineering ; Physics
DOI10.1016/j.expthermflusci.2011.01.016
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000292076100011
WOS KeywordTHERMAL-CONDUCTIVITY ; TRANSFER ENHANCEMENT ; MOLECULAR-WEIGHT ; NANOPARTICLES ; WATER
WOS Research AreaThermodynamics ; Engineering ; Physics
WOS SubjectThermodynamics ; Engineering, Mechanical ; Physics, Fluids & Plasmas
Funding OrganizationThe authors gratefully acknowledge the support from the National Natural Science Foundation of China (Grant No. 50976065) and Shanghai Postdoctoral Scientific Program (Grant No. 09R21413500).
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Cited Times:65[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45078
Collection国家微重力实验室
Corresponding AuthorDing, GL (reprint author), Shanghai Jiao Tong Univ, Inst Refrigerat & Cryogen, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
Recommended Citation
GB/T 7714
Peng H,Ding GL,Hu HT,et al. Effect of surfactant additives on nucleate pool boiling heat transfer of refrigerant-based nanofluid[J]. Experimental Thermal and Fluid Science,2011,35(6):960-970.
APA Peng H,Ding GL,Hu HT,&Ding, GL .(2011).Effect of surfactant additives on nucleate pool boiling heat transfer of refrigerant-based nanofluid.Experimental Thermal and Fluid Science,35(6),960-970.
MLA Peng H,et al."Effect of surfactant additives on nucleate pool boiling heat transfer of refrigerant-based nanofluid".Experimental Thermal and Fluid Science 35.6(2011):960-970.
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