TY - JOUR T1 - NUMERICAL AND EXPERIMENTAL INVESTIGATION OF AIR PERMEABILITY OF AN EVAPORATOR AU - Yaka, İsmet Faruk AU - Güngör, Afşin PY - 2023 DA - December Y2 - 2023 JF - Scientific Journal of Mehmet Akif Ersoy University JO - Techno-Science PB - Burdur Mehmet Akif Ersoy University WT - DergiPark SN - 2651-3722 SP - 51 EP - 56 VL - 6 IS - 2 LA - en AB - In this study, the air distribution in the evaporator of an industrial type monoblock refrigerator is investigated numerically and experimentally. Using the ANSYS program, 12 different points on the evaporator were determined and the velocity of these points were numerically determined, and the evaporator was divided into 5 different regions and the air flow rate change in these regions was examined. The simulated parts were also measured experimentally in a monoblock refrigerator. As a result, it is observed that there is an unbalanced air distribution on the evaporator, which has a negative effect on cooling performance and energy consumption. Thanks to the fins used to distribute the air flow more evenly, the difference in distribution between the left and right zones of the evaporator is reduced by 10.8 m3/h. As a result, a more balanced flow distribution was achieved with an improvement of approximately 10%. KW - Industrial Cooling KW - Monoblock refrigerator KW - Evaporator Efficient KW - CFD CR - [1] Şimşek, B., Özkan, M., Güngör, A., (2020). International Practices on Climate Change and Emissions Trading. Scientific Studies on The Edge of Global Warming Ankara: Nobel Publishing House. CR - Akkaya, M., Çamdalı, Ü. (2021). Ev Tipi Bir Buzdolabının Analitik İncelenmesi ve Tasarımı. Mühendis ve Makina, vol. 62(704), p. 395-414, https://doi.org/10.46399/muhendismakina.867834 CR - Bertoldi, P., Atanasiu, B. (2007). Electricity consumption and efficiency trends in the enlarged European Union. IES-JRC. European Union. CR - Sakallı, Ö. (2012). Ev Tipi Buzdolaplarında Enerji Tüketimine Etki Eden Parametrelerin İncelenmesi, Doctoral dissertation İstanbul Technical University. CR - Yıldırım, R., Kumaş, K., Akyüz, A. Ö. Güngör, A. (2023). Numerical Analysis of Using R449A Refrigerant Alternative to R404A in Cooling Systems: 3E-Analysis (Energetic, Exergetic, and Environmental). Politeknik Dergisi , , 1-1 . DOI: 10.2339/politeknik.1073335 CR - Pençe, İ., Yıldırım, R., Çeşmeli, M. S., Güngör, A., Akyüz, A. (2023). Evaluation of machine learning approaches for estimating thermodynamic properties of new generation refrigerant R513A. Sustainable Energy Technologies and Assessments, vol. 55, p. 102973, https://doi.org/10.1016/j.seta.2022.102973 CR - Mançuhan, E., Mutlu, T., Yıldırım, B. K., Titiz-Sargut, S. (2019). Mathematical Model of a Finned Tube Evaporator Using Different Refrigerants. International Journal of Advances in Engineering and Pure Sciences, vol. 31, p. 66-74, https://doi.org/10.7240/jeps.497386. CR - Balkan, F., Aksoy, A. B. (2022). Soğuk Hava Odasında Evaporatör Yerleşiminin Depo Ürünlerine Etkisinin CFD Analizi. Mühendis ve Makina, vol. 63(707), p. 222-249, https://doi.org/10.46399/muhendismakina CR - Avcıoğlu, S. (2012). Ev Tipi Statik Buzdolabı Soğutucu Bölmesinde Sıcaklık Dağılımının Deneysel ve Sayısal İncelenmesi, Doctoral dissertation İstanbul Technical University. CR - Pakdil, M. B. (2011). No-frost Derin Dondurucu İçindeki Sıcaklık Dağılımı ve Hava Akışının İncelenmesi, Doctoral dissertation İstanbul Technical University. CR - Pegallapati, A. S., Ramgopal, M. (2021). Effect of heat transfer area distribution on frosting performance of refrigerator evaporator. International Journal of Heat and Mass Transfer, vol. 175, 121317, https://doi.org/10.1016/j.ijheatmasstransfer.2021.121317. CR - Belman-Flores, J. M., & Gallegos-Muñoz, A. (2016). Analysis of the flow and temperature distribution inside the compartment of a small refrigerator. Applied thermal engineering, vol. 106, pp. 743-752, https://doi.org/10.1016/j.applthermaleng.2016.06.065. UR - https://dergipark.org.tr/en/pub/sjmakeu/issue//1378325 L1 - https://dergipark.org.tr/en/download/article-file/3484746 ER -