A Review and Development of Solar Thermal Adsorption Refrigeration Technology
DOI:
https://doi.org/10.51976/qd0ada14Keywords:
STAR System, Solar Thermal Adsorption Refrigeration System, Adsorption Cycle, Silica Gel, Active Carbon Pair, Fabrication of Star System, Different Components of STAR System, Van Der Waals ForcesAbstract
This paper delves into potential of solar thermal adsorption refrigeration systems (STAR) as a sustainable and environmentally friendly cooling solution. The core components and the two-phase operational cycle of these systems are detailed, highlighting the previous work on the STAR Technology has been discussed and critical roles of the vacuum chamber, freezer compartment and activated carbon adsorption bed. The cooling phase involve the evaporation of liquid ethanol, its adsorption on activated carbon, and subsequent heat extraction from the freezer compartment. This refrigeration on the other hand involves heating the adsorption bed to desorb ethanol which then condenses in vacuum chamber. This paper further explores the theoretical concept used in this system and the adsorption refrigeration cycle focusing on key stages of isosteric heating, isobaric desorption, isosteric cooling and isobaric adsorption. By leveraging solar energy as a renewable heat source this system offers an alternative to conventional refrigeration methods, reducing reliance on fossils fuels and mitigating greenhouse gases and the system is successfully developed
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