Publication de 18 numéros par an
ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561
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OPTIMIZATION OF THE EFFECTIVE PARAMETERS ON GROUND-SOURCE HEAT PUMPS FOR SPACE COOLING APPLICATIONS USING THE TAGUCHI METHOD
RÉSUMÉ
In this study, the effect of the process parameters and levels of the coefficient of performance (COPWS) of a ground-source heat pump (GSHP) system with a double U-tube heat exchanger is studied. The experiments were performed under various space air inlet/outlet temperatures and soil inlet/outlet temperatures in the GSHP system. The optimization of the process parameters in the GSHP system was carried out by the Taguchi method. In this study, the process parameters were considered as air inlet/outlet temperatures and soil inlet/outlet temperatures. The experimental design was evaluated as an L16 orthogonal array. To evaluate experimental results, the most significant process parameter, COPWS, was determined by using analysis of variance (ANOVA) and signal/noise (S/N) ratio. The optimum parameters and levels of COPWS for GSHP were obtained as A1B4C1D3 by the Taguchi method. The optimum levels were computed as Ti,sa at Level 1 (7.5°C), To,sa at Level 2 (21°C), Ti,wa at Level 2 (25.5°C), and To,wa at Level 1 (24°C). As a result, the most significant factor of COPWS in the GSHP system was obtained as the space air inlet temperature, which is the most significant parameter with 66.50 percent contribution ratio.
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