21-25 July 2019
Connecticut Convention Center, Level 6
US/Eastern timezone

C1Po1A-04 [21]: Design and Experiment Study of Cryogenic Helium Turbine Expander

22 Jul 2019, 09:00
2h
Level 6, Cryo Expo Exhibit Hall

Level 6, Cryo Expo Exhibit Hall

Speaker

Dr Kongrong Li (Technical Institute of Physics and Chemistry)

Description

Cryogenic helium turbine expander is a core component of large helium refrigerators and liquefiers. Two-stage cryogenic helium turbine expanders are designed for 250W@4.5K helium refrigerator. One-dimensional design have been done based on the parameters calculated by the process. According to the geometric parameters calculated by the one-dimensional design, a new modeling method is adopted to design the blade shape of the expander. The two stage turbine expander are successfully applied to 250@4.5K helium refrigerator, and the efficiency of the two expander are higher than 65%.

Primary authors

Dr Kongrong Li (Technical Institute of Physics and Chemistry) Prof. Lianyou Xiong (Technical Institute of Physics and Chemistry) Prof. Nan Peng (Technical Institute of Physics and Chemistry) Dr Bin Dong (Technical Institute of Physics and Chemistry) Dr Changlei Ke (Technical Institute of Physics and Chemistry) Dr Jing Li (Technical Institute of Physics and Chemistry) Prof. liqiang Liu (Technical Institute of Physics and Chemistry)

Presentation Materials