ijeat International Journal of Energy Applications and Technologies 2548-060X İlker ÖRS 10.31593/ijeat.536339 Analysis of plate heat exchanger operating parameters by Taguchi Method https://orcid.org/0000-0001-8459-1650 Kocabaş Ceyda BILECIK SEYH EDEBALI UNIVERSITY https://orcid.org/0000-0001-8376-9234 Savaş Ahmet Fevzi BILECIK SEYH EDEBALI UNIVERSITY 12 27 2019 6 4 89 95 03 06 2019 12 24 2019 Copyright © 2014, International Journal of Energy Applications and Technologies 2014 International Journal of Energy Applications and Technologies

In this study, the heat recovery performance of aplate heat exchanger, which provides air to air heat transfer was investigated.For the experimental set-up, a waste heat recovery device was designed and aheat exchanger was placed in it. Three different operating parameters wereselected as fresh and exhaust air inlet temperatures and airflow rates. Threelevels for each parameter were determined. The effects of changing parameterson the thermal effectiveness were analyzed by the Taguchi method. L9(33)orthogonal array was used in performing experiments. Results indicate thathigher effectiveness can be obtained at low fresh air inlet temperature, lowairflow rate, and high exhaust air inlet temperature. In this way, the optimumprocess parameter combination was revealed. Then, ANOVA was applied in order todetect the significance order of each parameter. The results show that the mostimportant parameter among the others is the airflow rate. Moreover, the confirmationtest was performed in order to obtain the optimum parameter combination. Theexperimental and predicted values are compatible with each other. Thisexperimental study approves that the Taguchi method can be used in improvingthe exchanger performance.

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