Study of the Effect of Refrigerant Collection Tank on the Performance of the Evaporator in the Refrigeration System


Authors : Waled . Y. Bouhawish; Alsalhin. G. Khalifa; Adam. E. Mohammed; Majdi. A. Razig

Volume/Issue : Volume 9 - 2024, Issue 11 - November


Google Scholar : https://tinyurl.com/baeux9ep

Scribd : https://tinyurl.com/4jxj4ndn

DOI : https://doi.org/10.5281/zenodo.14350624


Abstract : To enhance the coefficient of performance (COP) for the evaporator within the cooling cycle, we initially designed, assembled, and executed the fundamental pressure cooling cycle. Subsequently, we introduced a novel component, the coolant group tank, strategically placed directly in front of the evaporator. The essential elements of the basic pressure cooling cycle encompass the compressor, condenser, expansion valve, and evaporator. Additional components include a thermostat, liquid flow meter, pressure gauge, temperature gauge, filter, examination valve, and the aforementioned cooling tank. Following the successful installation of the cooling cycle, we will activate the system and commence the collection of critical data, such as pressure and temperature readings at designated points throughout the process, to facilitate calculations and assess the performance of the evaporator. The experiment was replicated using the same cooling cycle; however, this time, we isolated both the cooling collection tank and the examination valve prior to gathering the necessary temperature and pressure data at specific locations within the system. We then recalculated to verify the evaporative performance. A comparative analysis of the data obtained from the first experiment, which yielded a COP of 7.5, and the second experiment, which achieved a COP of 9, revealed that the evaporative coefficient of performance was significantly higher when utilizing the coolant group tank compared to operating the cooling cycle without it.

Keywords : Evaporator C.O.P, Refrigerated Liquid Collection Tank, Refrigeration Cycle.

References :

  1. Super Radiator Coils, " The 4 Main Refrigeration Cycle Components",  Feb 19, 2021.
  2. MIRAI Intex, "The evaporator in a refrigeration system", April 26, 2024.
  3. P. Saji Raveendran,  R. Karthikeyan and Dains K. John, "Performance studies on vapour compression refrigeration system using PCM placed between wall and coil of the evaporator, " Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, December 13, 2021.
  4. Antonio Estrada, Leonardo Córdova - Castillo and Saúl Piedra, "Enhancing Vapor Compression Refrigeration Systems Efficiency via Two-Phase Length and Superheat Evaporator MIMO Control, " MIMO Control. Processes, 30 July 2024
  5. Dr. Mohammed Hamed Alhamdo1, Dr. Maathe Abdulwahed Theeb2, *Jaafar JaberAbdulhameed, "PERFORMANCE IMPROVEMENT OF AN AIR-CONDITIONING SYSTEM DURING REFRIGERANT EVAPORATION", Vol. 22, No.06, November 2018.
  6. Ganesh Shewale, "Methods of Improving COP of Refrigeration Cycle", Scribd, on Apr 25, 2019.
  7. Eng. Naser R. M. AL-Ajmi, " Coefficient of Performance Enhancement of Refrigeration Cycles", Journal of Engineering Research and Applications, Vol. 5, Issue 3, (Part -3) March 2015, pp.117-125.

To enhance the coefficient of performance (COP) for the evaporator within the cooling cycle, we initially designed, assembled, and executed the fundamental pressure cooling cycle. Subsequently, we introduced a novel component, the coolant group tank, strategically placed directly in front of the evaporator. The essential elements of the basic pressure cooling cycle encompass the compressor, condenser, expansion valve, and evaporator. Additional components include a thermostat, liquid flow meter, pressure gauge, temperature gauge, filter, examination valve, and the aforementioned cooling tank. Following the successful installation of the cooling cycle, we will activate the system and commence the collection of critical data, such as pressure and temperature readings at designated points throughout the process, to facilitate calculations and assess the performance of the evaporator. The experiment was replicated using the same cooling cycle; however, this time, we isolated both the cooling collection tank and the examination valve prior to gathering the necessary temperature and pressure data at specific locations within the system. We then recalculated to verify the evaporative performance. A comparative analysis of the data obtained from the first experiment, which yielded a COP of 7.5, and the second experiment, which achieved a COP of 9, revealed that the evaporative coefficient of performance was significantly higher when utilizing the coolant group tank compared to operating the cooling cycle without it.

Keywords : Evaporator C.O.P, Refrigerated Liquid Collection Tank, Refrigeration Cycle.

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