A 115 K thermoacoustically driven pulse tube refrigerator with low onset temperature |
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Authors: | K Tang B Kong |
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Affiliation: | Cryogenics Laboratory, Zhejiang University, Hangzhou 310027, PR China |
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Abstract: | After the modifications of jacket type water coolers and stacks, and the optimizations of the openings of orifice and double inlet valves, a refrigeration temperature as low as 115.4 K has been achieved by a thermoacoustically driven pulse tube refrigerator. By operating the double inlet valve of the pulse tube refrigerator, the onset temperature of the thermoacoustic system decreases from 550 to 340 °C. It provides the possibility of utilizing the low-grade heat energy. |
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Keywords: | Pulse tube refrigerator Thermoacoustic prime mover Thermoacoustic refrigeration |
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