THERMAL SCIENCE

International Scientific Journal

Hafiz Muhammad Ali

,

Muhammad Danish Azhar

,

Musab Saleem

,

Qazi Samie Saeed

,

Ahmed Saieed

HEAT TRANSFER ENHANCEMENT OF CAR RADIATOR USING AQUA BASED MAGNESIUM OXIDE NANOFLUIDS

ABSTRACT
The focus of this research paper is on the application of water based MgO nanofluids for thermal management of a car radiator. Nanofluids of different volumetric concentrations (i.e. 0.06%, 0.09% and 0.12%) were prepared and then experimentally tested for their heat transfer performance in a car radiator. All concentrations showed enhancement in heat transfer compared to the pure base fluid. A peak heat transfer enhancement of 31% was obtained at 0.12 % volumetric concentration of MgO in basefluid. The fluid flow rate was kept in a range of 8-16 liter per minute. Lower flow rates resulted in greater heat transfer rates as compared to heat transfer rates at higher flow rates for the same volumetric concentration. Heat transfer rates were found weakly dependent on the inlet fluid temperature. An increase of 8°C in inlet temperature showed only a 6% increase in heat transfer rate.
KEYWORDS
nanofluid, MgO, car radiator, Heat Transfer Enhancement
PAPER SUBMITTED: 2015-05-26
PAPER REVISED: 2015-08-17
PAPER ACCEPTED: 2015-08-27
PUBLISHED ONLINE: 2015-09-06
DOI REFERENCE: https://doi.org/10.2298/TSCI150526130A
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2015, VOLUME 19, ISSUE Issue 6, PAGES [2039 - 2048]
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Heat transfer enhancement of car radiator using aqua based magnesium oxide nanofluids

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