EXPERIMENTAL STUDY ON NEON REFRIGERATION SYSTEM USING COMMERCIAL HELIUM COMPRESSOR

被引：3

作者：

Ko, Junseok ^{[1
]}

Kim, Hyobong ^{[1
]}

Hong, Yong-Ju ^{[1
]}

Yeom, Hankil ^{[1
]}

Koh, Deuk-Yong ^{[1
]}

Park, Seong-Je ^{[1
]}

机构：

[1] Korea Inst Machinery & Mat, Dept Energy Syst, Taejon 305343, South Korea

来源：

ADVANCES IN CRYOGENIC ENGINEERING, VOLS 57A AND 57B | 2012年 / 1434卷

关键词：

Neon refrigeration; Linde-Hampson; Joule-Thomson expansion; Helium compressor;

D O I：

10.1063/1.4707034

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this study, we developed neon refrigeration system using commercial helium compressor which was originally designed for GM cryocooler. We performed this research as precedent study before developing neon refrigeration system for small-scale hydrogen liquefaction system. The developed system is based on precooled Linde-Hampson system with liquid nitrogen as precoolant. Design parameters of heat exchangers are determined from thermodynamic cycle analysis with operating pressure of 2 MPa and 0.4 MPa. Heat exchangers have concentric-tube heat exchanger configuration and orifice is used as Joule-Thomson expansion device. In experiments, pressure, temperature, mass flow rate and compressor input power are measured as charging pressure. With experimental results, the characteristics of heat exchanger, Joule-Thomson expansion and refrigeration effect are discussed. The developed neon refrigeration system shows the lowest temperature of 43.9 K.

引用

页码：1133 / 1139

页数：7

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