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Research Journal of Science and Technology
Year : 2018, Volume : 10, Issue : 4
First page : ( 295) Last page : ( 299)
Print ISSN : 0975-4393. Online ISSN : 2349-2988.
Article DOI : 10.5958/2349-2988.2018.00042.6

Efficiency Enhancement of Solar Water Heater using CNT/H2O Nanofluid

Rajput Deep1,*, Kumar Rakesh2

1PG Student, Department of Mechanical Engineering, Jagannath University, Jaipur, India

2Assistant Professor, Department of Mechanical Engineering, Jagannath University, Jaipur, India, rakesh.kumar@jagannathuniversity.org

*Corresponding Author E-mail: deeprajput0709@gmail.com

Online published on 27 December, 2018.


Solar energy is one oldest known form of non conventional energy. It can be used for electricity generation, heating water or air etc. In this paper solar energy is used to heat water in flat plate solar water heater. Water being working medium have limited heat absorbing capacity which can be greatly enhanced by using nanofluids. Nanofluid is the mixture of Nano sized material having high thermal conductivity and base fluid. Flow rate and Nano particle concentration were varied to understand their effect on the performance of water heater. Result shows that the highest efficiency of solar water heater with and without nanofluids were 81% and 66% respectively.



Solar Energy, Solar Water Heater, Nanofluids, Efficiency.


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