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Research Paper | Mechanical Engineering | India | Volume 4 Issue 5, May 2015 | Popularity: 6.4 / 10

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Experimental Analysis on Thermal Performance ofClosed Loop Pulsating Heat Pipe Using Zno/Water Nanofluid

Atul N. Pote, Pramod R. Pachghare

Abstract: This research investigate the effect of concentration of water based zinc oxide nanofluid (i. e. ZnO/Water) on thermal resistance of closed Loop Pulsating Heat Pipe (CLPHP). CLPHP is made up of copper tubing with internal diameter of 3mm and outer diameter of 4mm. the tube had 2 meandering turns. The length of evaporator and condenser section was 380mm. Experiment was conducted in vertical orientation with having 50 % filling ratio (FR). Heat load varied from 6 Watt to 72 Watt. The concentration of ZnO/Water nanofluid was 0.25 %, 0.5 %, 0.75 % and 1 % w/v. The various temperatures were recorded on the outer wall of the evaporator and condenser section and inlet & outlet of cooling water. Overall thermal resistance at different heat inputs was calculated. It is found that thermal resistance of CLPHP using ZnO/water nanofluid as working fluid was better than thermal resistance when pure water is used

Keywords: Closed loop pulsating heat pipe CLPHP, Nanofluid, ZnO/water nanofluid

Edition: Volume 4 Issue 5, May 2015

Pages: 235 - 239

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