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Pre-Cooling Concrete System in Massive Concrete Production: Energy Analysis and Refrigerant Replacement

Author

Listed:
  • Malik I. Alamayreh

    (Department of Alternative Energy Technology, Faulty of Engineering and Technology, Al-Zaytoonah University, P.O. Box 130, Amman 11733, Jordan)

  • Ali Alahmer

    (Department of Mechanical Engineering, Faculty of Engineering, Tafila Technical University, P.O. Box 179, Tafila 66110, Jordan)

  • Mai Bani Younes

    (Department of Alternative Energy Technology, Faulty of Engineering and Technology, Al-Zaytoonah University, P.O. Box 130, Amman 11733, Jordan)

  • Subhi M. Bazlamit

    (Indiana Department of Transportation, Indianapolis, IN 46204, USA)

Abstract

Several techniques for cooling mass concrete structures were developed in order to increase structural integrity and reduce the influence of cement hydration, which sometimes causes cracking in concrete structures, negatively affecting their durability. This research focuses on cooling system design, initial investment, and the influence of different refrigerants on cooling system performance aims in producing higher quality massive concrete. Cooling aggregates in massive concrete structures such as desert dams can be performed by employing cooled air from an air conditioning duct system or chilled water. The experimental study illustrates the relationship between the coefficient of performance COP, the evaporator temperature, cooling capacity, and refrigerant mass flow rate as a function of the evaporator temperature, cooling capacity, and refrigerant mass flow rate. The findings of the experiments were utilized to verify a numerical model developed utilizing engineering equation solver (EES) software. The performance of the vapor compression of the cooling systems was compared using alternative refrigerants, including R22, R32, and R410a at different operating conditions. This study revealed that R22 refrigerant has a higher coefficient of performance than R32 and R410A, while R32 has the highest cooling capacity among other refrigerants.

Suggested Citation

  • Malik I. Alamayreh & Ali Alahmer & Mai Bani Younes & Subhi M. Bazlamit, 2022. "Pre-Cooling Concrete System in Massive Concrete Production: Energy Analysis and Refrigerant Replacement," Energies, MDPI, vol. 15(3), pages 1-18, February.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:3:p:1129-:d:741520
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