【摘要】 在自行研制的驻波型热声压缩机驱动脉管制冷系统中 ,以氦为工质 ,取得了 119 7K的制冷温度 ,达到了能够进行天然气液化的低温区更多还原

【Abstract】 Improvement has been made on a standing wave pulse tube refrigeration system thermoacoustically driven,and a minimum temperature of 120 K has been achieved with helium of 2 0 MPa as the working fluid This provides the possibility to liquefy the natural gas更多还原