Analysis of a High Efficiency 4 K GM Refrigerator Operating at a Lower Pressure Ratio
Development of a High Efficiency 4 K GM Refrigerator
Performance Dependence of a 4 K Pulse Tube Cryocooler on Working Pressure
Conceptual Design of Space Qualified 4 K Pulse Tube Cryocooler
Analysis of a High Efficiency 4K GM Refrigerator Operating at a Lower Pressure Ratio