Page 3 - 《真空与低温》2026年第2期

VACUUM AND CRYOGENICS
Vol. 32，No. 2，Bimonthly

Contents

Vacuum Technology
Simulation and Experimental Optimization of Uniform Gas Distribution Structure in Cathode System of PVD Film
Equipment ····························································· JIANG Zhao，MA Zhanji，ZHANG Yanshuai（123）
Design and Performance Simulation of Hot Cathode Pulsed Electron Gun ····················································
················· SHI Xinyi，ZHANG Huzhong，LI Detian，LI Xingda，XI Zhenhua，LI Gang，KANG Weidong（129）
The Research on Interference Analysis and Suppression Methods of Pressure Transmission in Electric Propulsion
System ·································································· XI Zhujun，WU Yueyuan，HANG Guanrong（139）
Optimization Design of Vacuum Container for Superconducting Magnet Applications Based on Response Surface
Methodology ······································ BAI Xuyan，WANG Yichao，CUI Yunfei，LI Xin，GAO Peng（146）
Hermeticity Testing of Dual or Multi-cavity Sealed Devices ··························· XIAO Hanwu，CHEN Ting（153）

Cryogenic Technology
Experimental Study on Non-isothermal Bubble Dynamics in Liquid Oxygen under a Magnetically Compensated
Simulated Low Gravity Field ······································································································
································ XU Ran，YU Lingjun，XIAO Mingkun，CAO Qingtai，WU Jingyi，YANG Guang（161）
Design and Simulation Analysis of a Helium Centrifugal Cryogenic Compressor for Dilution Refrigerators ············
······················ HAO Zhaozhang，KE Changlei，XIONG Lianyou，LIU Hongmin，PENG Nan，ZUO Jiansheng，
LI Kongrong，ZHANG Xiaohua，LIU Liqiang（169）
Research on the Chilldown Characteristics and Influencing Factors of the Charge-Hold-Vent Method for Liquid
Hydrogen Tank ·················· ZHANG Rongda，MA Yuan，WANG Yunlong，WANG Kang，LI Yanzhong（175）
Radiative Cooling-based Precision Thermal Control for Space Optical Payload CCD Assembly: Design and
Verification ·············································· GUI Lijia，LI Yanqing，XU Wenjie，LI Yefei，SHI Entao（183）
Parameter Analysis and Performance Optimization of Thermodynamic Vent System in Cryogenic Tanks under
Microgravity ································ YAO Lei，KANG Xinyue，YAN Chunjie，WANG Jin，YANG Peng（190）
Research on CBM Fault Diagnosis Method for Infrared Detectors Using Stirling Refrigerators Based on Vibrational
Acoustic Characteristics ··································· ZHANG Lu，SHEN Lei，HAN Penglei，YANG Shuai（199）
IMPTECR Algorithm for the Dual-porosity Seepage Model of Ortho-parahydrogen Converter ···························
·································································· XUE Pu，ZHANG Qiyong，LIU Shimao，LIU Zhifan（205）
Performance Study of Cryocooler Vibration Isolators Based on Monolithic Flexure Springs ·········· WANG Jingjie，
XU Guotai，XUE Hailiang，ZHUANG Changpei，YANG Baoshan，HE Jiahua，YU Kunkun，DU Haipeng（213）

Science and Technology Letters
Ultra-high Pumping Speed Cryopump Based on GM Refrigerator Developed Successfully ································
·························· ZHANG Yingming，YAN Ge，ZHANG Zhaohui，LIU Weicheng，WANG Mengmeng（220）
A 5 W@4.2 K Two-stage G-M Refrigeration Unit Developed Successfully by Hynhe Technology （Guangzhou）
Co., Ltd. ······························································· DU Xiyang，LIANG Zhiwei，FENG Yaorong（222）

Series of Articles on Space Electric Propulsion
An Overview of Electric Propulsion Technology in Space：New-type Electric Propulsion（Ⅰ） ·······················
·································································· ZHANG Tianping，CHEN Juanjuan，ZHANG Xueer（223）

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