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A comprehensive and methodical approach has been undertaken to meticulously calculate and devise the design of a commercial helium compressor for general manufacturing purposes. The calculation process involves a thorough assessment of each individual component, encompassing aspects such as the selection of a 6.6 kW refrigeration compressor, design of the heat exchanger, incorporation of an oil filter, utilization of a needle valve, integration of an oil separator, inclusion of a buffer, and consideration of numerous other essential elements within the helium compressor system. To measure the mass flow rate of both oil and helium gas, flow meters have been installed. Additionally, pressure measuring gauges have been incorporated to monitor the system’s pressure levels. The experimental setup has been fabricated and subsequently tested based on the calculations conducted earlier. During the initial run, the system was continuously operated under the conditions of 16 barg high pressure and 6 barg low pressure. The system was operated with the specified conditions, aiming to achieve the required purity (oil content ‹ 0.1 ppm) of helium after the separation of oil vapor.

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A Systematically Organized Series of Mathematical Calculations for the Development of a Helium Compressor Tailored for a Gifford–McMahon Cryocooler

  • 会议论文

  • 发表日期：

    2025年

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  • Sahadasan Khute,
  • Debashis Pasa,
  • Madhu Kalyan Reddy Pulagam,
  • Sachindra Kumar Rout,
  • Sunil Kumar Sarangi

摘要

A comprehensive and methodical approach has been undertaken to meticulously calculate and devise the design of a commercial helium compressor for general manufacturing purposes. The calculation process involves a thorough assessment of each individual component, encompassing aspects such as the selection of a 6.6 kW refrigeration compressor, design of the heat exchanger, incorporation of an oil filter, utilization of a needle valve, integration of an oil separator, inclusion of a buffer, and consideration of numerous other essential elements within the helium compressor system. To measure the mass flow rate of both oil and helium gas, flow meters have been installed. Additionally, pressure measuring gauges have been incorporated to monitor the system’s pressure levels. The experimental setup has been fabricated and subsequently tested based on the calculations conducted earlier. During the initial run, the system was continuously operated under the conditions of 16 barg high pressure and 6 barg low pressure. The system was operated with the specified conditions, aiming to achieve the required purity (oil content ‹ 0.1 ppm) of helium after the separation of oil vapor.