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USING TIO2 NANOFLUID FOR ENHANCING PERFORMANCE OF A WATER CHILLER | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 19, Issue 5, 2015, Pages 16-27 | ||
| Abstract | ||
| In the present work an experimental study is carried out to enhance performance of water chiller system by using nanofluid (water+TiO2 ) in shell side of chiller with different volume concentration (0.05% , 0.075% and 0.1%) . Experimental work includes two parts; In the first one COP of the system is calculated by using two alternative refrigerants (R-407c and R-134a). In the second part, the optimum COP is fonnd using various concentration of TiO2 nanofluid for system with alternative refrigerant. Experimental results show that the COP of R-134a is better than R407c which will be used in the second part of the present study with nanofluid in shell side of the system. The COP with (0.1%) nanofluid has been found to increase by (8.5%). | ||
| Keywords | ||
| Alternative refrigerant; nanofluid; COP | ||
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