| DC FLOW SUPPRESSION IN A SINGLE-STAGE G-M TYPE PULSE TUBE COOLER |
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| 作者姓名： | JIANGYan-long CHENGuo-bang THUMMESGuenter |
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| 作者单位： | [1]CollegeofAerospaceEngineering,NUAA29YudaoStreet,Nanjing,210016,P.R.China／／CollegeofMechanicalandEnergyEngineering,ZhejiangUniversity,Hangzhou,310027,P.R.China [2]CollegeofMechanicalandEnergyEngineering,ZhejiangUniversity,Hangzhou,310027,P.R.China [3]InstituteofAppliedPhysics,UniversityofGiessen,35392,Germany |
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| 摘 要： | An experimental investigation on DC flow suppression in a single-stage G-M type pulse tube cooler is made. The influence of DC flow induced by the introduction of the double-inlet on the refrigeration performance of the cooler is experimentally examined. Two parallelplaced needle valves with an opposite flow direction called as double-valved configuration, instead of conventional single-valved configuration as the double-inlet is used to reduce the DC flow. With the double-valved configuration, the minimum temperatures of 18.4 K and 14.7 K, and the cooling powers of 11.5 W and 29.5 W are also obtained by RW2 and CP4000, respectively.
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| 关 键 词： | DC流 抑制方法 脉冲冷却管 优化设计 |
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