Earticle

초록

영어

The superconducting accelerator's liquid or superfluid helium cryogenic system requires numerous temperature sensors to precisely monitor key components and ensure the device's safe and stable operation. Uncalibrated temperature sensors are widely used in large scientific facilities owing to their low cost and short supply cycles. This study developed a temperature sensor calibration system suitable for the superfluid helium temperature region. This system combines the comparison method and dynamic calibration while optimizing the calibration approach for different temperature ranges. A total of 20 uncalibrated temperature sensors were calibrated over a temperature range of 300 K to 2 K. Experimental results show that the system can simultaneously calibrate numerous temperature sensors, significantly improving calibration efficiency. In the 4.2 K-2 K temperature region, the calibration accuracy is ±6.035 mK, which meets the engineering application requirements of large scientific facilities.

목차

Abstract
1. INTRODUCTION
2. CALIBRATION METHODS AND SYSTEMS FOR DEEP CRYOGENIC TEMPERATURE SENSORS
2.1. Selection of Cryogenic Cooling Sources
2.2. Design of temperature sensor calibration system
2.3. Calibration Principles and Methods
2.4. Selection and Installation of Experimental Equipment
3. CALIBRATION METHODS FOR DIFFERENT TEMPERATURE RANGES
3.1. Calibration of the 300 K-4.2 K Temperature Range
3.2. Calibration of the 4.2K-2K Temperature Range
3.3. Analysis of Cooling Rate and Calibration Accuracy inthe 4.2 K–2 K Temperature Range
4. EXPERIMENTAL DATA PROCESSING
4.1 R-T Characteristic Curve Fitting Method
4.2 Experimental Data Analysis
4.3 Uncertainty Analysis
5. CONCLUSION
ACKNOWLEDGMENT
REFERENCES

키워드

저자

• Yuxuan Wang [ College of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China/Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China ]
• Jun Wen [ Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China ]
• Liming Zhu [ Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China/University of Chinese Academy of Sciences, Beijing 100049, China ]
• Xianjin Wang [ Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China ]
• Peng Zhang [ Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China ]
• Xiaofei Niu [ Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China ] Corresponding Author

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  한국초전도·저온논문지 (구 한국초전도저온공학회논문지) [Progress in Superconductivity and Cryogenics]

• 간기

  계간

• pISSN

  1229-3008

• eISSN

  2287-6251

• 수록기간

  1999~2026

• 등재여부

  KCI 등재,SCOPUS

• 십진분류

  KDC 427 DDC 537