Synthesis, characterization, stability and thermal conductivity of multi-walled carbon nanotubes (MWCNTs) and eco-friendly jatropha seed oil based nanofluid: An experimental investigation and modeling approach

被引:60
作者
Rehman, Wajid Ur [1 ]
Merican, Zulkifli Merican Aljunid [1 ]
Bhat, Aamir Hussian [2 ]
Hoe, Beh Guan [1 ]
Sulaimon, Aliyu Adebayo [3 ]
Akbarzadeh, Omid [4 ]
Khan, Muhammad Saad [5 ]
Mukhtar, Ahmad [5 ]
Saqib, Sidra [6 ]
Hameed, Ayesha [7 ]
Mellon, Nurhayati [5 ]
Ullah, Hafeez [5 ]
Ullah, Sami [8 ]
Assiri, Mohammed Ali [8 ]
机构
[1] Univ Teknol PETRONAS, Fundamental & Appl Sci Dept, Bandar Seri Iskandar 32610, Perak, Malaysia
[2] Higher Coll Technol, Dept Appl Sci, POB 74,Al Khuwair 133, Muscat, Oman
[3] Univ Teknol PETRONAS, Petr Engn Dept, Bandar Seri Iskandar 32610, Perak, Malaysia
[4] Univ Malaya, Nanotechnol & Catalysis Res Ctr, Kuala Lumpur 50603, Malaysia
[5] Univ Teknol PETRONAS, Chem Engn Dept, Bandar Seri Iskandar 32610, Perak, Malaysia
[6] COMSATS Univ Islamabad, Dept Chem Engn, Lahore Campus,Def Rd, Lahore 54000, Punjab, Pakistan
[7] Natl Univ Sci & Technol, Sch Chem & Mat Engn, Islamabad, Pakistan
[8] King Khalid Univ, Coll Sci, Dept Chem, Abha 61413, Saudi Arabia
关键词
MWCNTs; Jatropha seed oil; Nanofluid; Thermal conductivity; Correlation; Stability; Dimensionless groups analysis; HEAT-TRANSFER CHARACTERISTICS; PHYSICAL PROPERTY EVALUATION; ETHYLENE-GLYCOL; THERMOPHYSICAL PROPERTIES; RHEOLOGICAL BEHAVIOR; HYBRID NANOFLUIDS; SENSITIVITY-ANALYSIS; WATER NANOFLUID; DIATHERMIC OIL; BORON-NITRIDE;
D O I
10.1016/j.molliq.2019.111534
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Despite the remarkable nanofluids potential in energy storage applications, the long-term dispersion stability of the nanoparticles in a base fluid along with improved thermal conductivity is a significant challenge towards their commercialization. Therefore, a novel surfactant MWCNTs and eco-friendly Jatropha seed oil based nanofluid are synthesized via one-step synthesis method and subjected to characterization via visual analysis, FTIR, Zeta potential, pore size distribution, thermogravimetric analysis (TGA), and UV analysis to investigate MWCNTs dispersion stability along with thermal conductivity measurement. The results showed the excellent MWCNTs dispersion stability in Jatropha seed oil and thermal conductivity improvement from 2.29% to 6.76% over the temperature within the range of 25-65 degrees C and nanoparticle weight fraction in the range of 0.2-0.8 wt%. Furthermore, two new correlations are proposed based on multiple non-linear regression analysis and dimensionless group analysis in the replacement of classical models which are failed to accurate prediction of thermal conductivity. The developed models showed remarkable thermal conductivity prediction accuracy with the value of R-2 > 0.991. (C) 2019 Elsevier B.V. All rights reserved.
引用
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页数:15
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