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Thermodynamic Optimization of a Gifford-McMahon Cycle using Exergy Analysis
, M.Sc. Thesis Sharif University of Technology ; Afshin, Hossein (Supervisor)
Abstract
Helium, a valuable substance with unique properties, is widely used in various fields such as medicine, life sciences, electronic and military industries, and the industries which require low- temperature cooling. Driven by the increasing global demand for helium, research laboratories and industries are turning to small-scale refrigeration and liquefaction cycles. GM cryocoolers have found widespread applications in cryogenics due to its simplicity, high reliability and cost-effectiveness. The complexities of GM cryocooler performance pose significant challenges to achieving optimal efficiency and operation so developing a simplified model of the cycle is crucial. In this research, the...