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<strong>Thermal conductivity enhancement of TiO2 nanofluid in water and ethylene glycol (EG) mixture</strong>

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Title Statement <strong>Thermal conductivity enhancement of TiO2 nanofluid in water and ethylene glycol (EG) mixture</strong>
 
Added Entry - Uncontrolled Name Abdul Hamid, K. ; Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia
Azmi, W.H. ; Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia
Mamat, Rizalman ; Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia
Usri, N.A. ; Faculty of Mechanical Engineering, Universiti Malaysia Pahang, 26600 Pekan, Pahang, Malaysia
Universiti Malaysia Pahang under RDU1403110
 
Uncontrolled Index Term statistical physics and thermodynamics; fundamental thermal properties
Nanofluid; Titanium Dioxide; Thermal conductivity; Ethylene glycol
 
Summary, etc. The need to study nanofluid properties has increased over these past centuries in order to provide better understanding on nanofluid thermal properties and behaviour.  Due to its ability to improve heat transfer compared to conventional heat transfer fluids, nanofluids as a new coolant fluid are widely investigated. This study presents the thermal conductivity enhancement of titanium dioxide (TiO2) nanoparticles dispersed in mixture of water and ethylene glycol (EG). The nanofluids are prepared for volume concentrations from 0.5 to 1.5 %. The thermal conductivity measurement of the nanofluid is performed using KD2 Pro Thermal Properties Analyzer at working temperatures of 30 oC to 80 oC. The measurement gives 15.35 % maximum enhancement of thermal conductivity at 1.5 % volume concentration and temperature of 60 oC. The results show that the thermal conductivity increases with the increase of nanofluid concentration and temperature. Also, the nanofluids provide enhancement in thermal conductivity compared to their base fluid of a water/EG mixture in 60:40 ratio. Therefore, the addition of TiO2 nanoparticles dispersed in the base fluid of a water and EG mixture will enhance the effective thermal conductivity of the nanofluid. The new thermal conductivity correlation of TiO2 nanofluids is developed for a wide range of temperatures and concentrations with maximum deviation of 4.65 % and average deviation of 1.37 %.
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2016-10-21 11:18:34
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/11802
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 54, ##issue.no## 10 (2016): Indian Journal of Pure & Applied Physics
 
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