Abstract:Losses within a pulse tube cryocooler (PTC) are dominated by regenerator losses that scale directly with the magnitude of the mass flow rate within the regenerator. Therefore, in order to maximize PTC performance it is necessary to minimize the ratio of the mass flow rate in the regenerator to the acoustic power. This is accomplished by controlling the phase between the mass flow and the pressure with a phase shifting device installed at the warm end of the pulse tube. The most common device, the inertance tub… Show more
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