An Illustrative Experimental Investigation of a Nanofluid (Al2O3+H2O) Based Parabolic trough Solar Collectors

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An Illustrative Experimental Investigation of a Nanofluid (Al2O3+H2O) Based Parabolic trough Solar Collectors

August 27, 2020 Science and Technology 0

In the present work the effect of working fluid (Al2O3 + water nanofluid) on the efficiency of a parabolic

trough solar collector was investigated experimentally. The weight fraction of nano particles was 0.1%

and the particles dimension was 40 nm. Experiments were performed with and without nanofluid. The

mass flow rate of nanofluid is constant at 2 Lit/min. The results shows that, nanofluid based parabolic

trough collector has higher efficiency than water based parabolic trough collector. For 0.1%, the

increased solar thermal efficiency was nearly 7%. From the results, it can be concluded that the

nanofluid causes an enhancement in heat transfer coefficient by 32%. The paper presents the

preparation of nanofluid, calculation of nanofluids properties, test result and performance evaluation of

Parabolic Trough Solar Collectors with and without nanofluids.

Author (s) Details

K.S. Chaudhari

Department of Mechanical Engineering, G H Raisoni College of Engineering, Nagpur, India.

P.V. Walke

Department of Mechanical Engineering, G H Raisoni College of Engineering, Nagpur, India.

U.S. Wankhede

Department of Mechanical Engineering, G H Raisoni College of Engineering, Nagpur, India.

R.S. Shelke

Department of Mechanical Engineering, G H Raisoni College of Engineering, Nagpur, India.

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