Abstract
An experimental study on pulse tube cryocooler is presented with a twin pulse tube configuration. The study is conducted with a dual piston head linear compressor design which is developed indigenously. The two identical pulse tube cryocoolers are operated by a single linear motor which generates 1800 out of phase dual pressure waves. The advantages of the configuration being the reduction in fabrication cost and the increased cooling power. The compressor is driven at a frequency of 48 Hz using indigenously developed PWM based power supply. The CFD study of pulse tube cryocooler is discussed along with the experimental cool down results. A detailed experimental and FEM based studies on the fabrication procedure of heat exchangers is conducted to ensure better heat transfer in the same.
Highlights
Simulation of Twin Pulse Tube Cooler (TPTC) and joint twin pulse tube cooler using Sage was discussed in [1,2,3]
Developed TPTC was redesigned based on the characteristics of dual piston head linear compressor using Sage and ANSYS FLUENT software
The practical aspects of fabrication of heat exchangers and assembly of PTC are discussed in detail along with the instrumentation developed for testing the same
Summary
Simulation of Twin Pulse Tube Cooler (TPTC) and joint twin pulse tube cooler using Sage was discussed in [1,2,3]. Some more simulation studies of TPTC and experimental results are discussed in this paper. Developed TPTC was redesigned based on the characteristics of dual piston head linear compressor using Sage and ANSYS FLUENT software. A loading effect on the compressor was studied by varying the length of the transfer line. The observations are discussed in this paper. The practical aspects of fabrication of heat exchangers and assembly of PTC are discussed in detail along with the instrumentation developed for testing the same
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