Investigation of refrigeration system performance

版本 1.0.0 (1.9 MB) 作者: ferzan katircioglu
In this study, performance analysis of commercial refrigeration systems
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更新时间 2022/1/9

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Today, it has been observed that with various protocols, halogenic chlorofluorocarbon (CFC) and hydrochlorofluorocarbon (HCFC) refrigerants will not be used in the future and various alternatives must be created. In the conventional cooling efficiency coefficient (COP) calculation method, thermodynamic property tables and pressure-enthalpy diagrams are used. Thanks to the proposed method, it will not be necessary to use these tables and diagrams when calculating the COP. It will be sufficient to take images from the regions indicated by the infrared imaging system. In this study, performance analysis of commercial refrigeration systems of R417A and R438A fluids that are alternative to R22 fluid, which are friendly to the ozone layer, has been performed. With the prohibition of the consumption of CFC gases, the use of HCFC gases, another gas group that damages the ozone layer, has been restricted and then banned. The most used of these gases is R22 gas. In order to perform the performances of reference R22 gas and R438A and R417A gases with infrared image analysis, two methods are proposed: COP with regional feature data acquisition and COP. In addition, on the two interfaces realized, the sizes obtained from infrared images are compared graphically and numerically. According to the obtained numerical and visual application results, R438A showed the closest performance to R22 gas. Compared to traditional computational performance tests, the ease of use of the system has shown that it is more advantageous in terms of remote measurement and simultaneous recording.

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KATIRCIOĞLU, Ferzan, et al. “R22 Ve Alternatifleri R438A Ile R417A Soğutucu Akışkanları Için Kızılötesi Görüntü Işleme Teknikleri Kullanarak, Soğutma Sistem Performansının Incelenmesi.” Academic Platform Journal of Engineering and Science, Academic Platform Journal of Engineering and Science, July 2020, doi:10.21541/apjes.726624.

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1.0.0