Dynamic simulation of helium plants using Aspen Hysys®, V7. 0 has been validated using
cool-down temperature data from two existing helium plants under operation. Fluid …

Exergy has proved to be a useful tool to analyze and optimize the design and operation of
many systems. Some studies on helium refrigerators and liquefiers based on exergy are …

Proper design of helium systems with large number of components and involved
configurations such as helium liquefiers/refrigerators requires the use of tools like process …

Tokamaks and Stellarators generate heat loads that are pulsating in nature. The helium
refrigerators employed for cooling these fusion devices are, however, designed for a steady …

Cold end in helium liquefiers, where finally the gas is converted to liquid, may have different
alternatives in configuration to achieve maximum exergy efficiency. Apart from high exergy …

Large-scale helium liquefaction/refrigeration plants have thermodynamically more involved
configurations than Collins cycle that is the fundamental cycle for liquefaction and are used …