The studies of ejector refrigeration systems employing refrigerant R134a for air conditioning are scarce and nonexistent for ice making when its potential application in developing countries will lessen their refrigeration needs. So, a parametric study for an ice making solar booster assisted ejector refrigeration system operating with R134a is carried out. System energy and exergy efficiencies as well as ejector efficiency are presented as a function of generator and condenser temperatures and booster discharge pressure. A discussion on maximum ejector efficiency and its effect in system behavior is also carried out. With results indicating that for an evaporator temperature of the system can operate at a generator temperature of with average energy efficiencies between 0.21 and 0.58, depending on the condenser temperature. Consequently, these systems could be a solution for solar refrigeration using off-the-shelf components.
Study of a Solar Booster Assisted Ejector Refrigeration System With R134a
Contributed by the Solar Energy Division and presented at the 2004 International Solar Enelrgy Conference of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING. Paper number ISEC2004–44242. Manuscript received by the ASME Solar Division October 2003; final revision May 2004. Associate Editor: J. Davidson.
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Herna´ndez, J. I., Best, R., Dorantes, R. J., and Estrada, C. A. (February 7, 2005). "Study of a Solar Booster Assisted Ejector Refrigeration System With R134a." ASME. J. Sol. Energy Eng. February 2005; 127(1): 53–59. https://doi.org/10.1115/1.1771683
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