Design and prototyping of a large capacity high frequency pulse tube |
| |
| Authors: | E Ercolani JM Poncet I Charles L Duband J Tanchon T Trollier A Ravex |
| |
| Affiliation: | 1. Institut Nanosciences et Cryogénie, C.E.A Grenoble, Service des Basses Températures, 17 rue des Martyrs, 38054 Grenoble Cedex 9, France;2. AIR LIQUIDE. Advanced Technology Division, AL/DTA, Sassenage, France;1. Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030/8, 12843 Prague 2, Czech Republic;2. J. Heyrovsky Institute of Physical Chemistry, Academy of Science of the Czech Republic, 182 23 Prague 8, Czech Republic;3. Department of Physics, University of Technology, 09107 Chemnitz, Germany;1. Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8503, Japan;2. Department of Chemistry, Ajou University, Suwon 443-749, Republic of Korea;1. KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001 Leuven, Belgium;2. PH Department, CERN, CH-1211 Geneva 23, Switzerland;3. LPC Caen, ENSICAEN, Universit de Caen, CNRS/IN2P3, F-14070 Caen, France;4. Nuclear Physics Institute, ASCR, 250 68 Re?, Czech Republic;1. Key Laboratory of Space Energy Conversion Technology, Technical Institute of Physical and Chemistry, CAS, China;2. University of Chinese Academy of Sciences, CAS, China;1. Department of Engineering Science, University of Oxford, UK;2. Department of Engineering and Design, University of Sussex, UK;1. Chinese Academy of Sciences Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Beijing 100190, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Department of Physics and Center for Astrophysics, Tsinghua University, Beijing 100084, China |
| |
| Abstract: | This document describes the design and the prototyping performed at CEA/SBT in partnership with AIR LIQUIDE of a high frequency large cooling power pulse tube. Driven at 58 Hz by a 7.5 kW flexure bearing pressure wave generator, this system provides a net heat lift of 210 W at 65 K. The phase shift is obtained by an inertance and a buffer volume. This type of cryogenic cooler can be used for on site gas liquefaction or drilling site and for high temperature superconductivity power device cooling (transmission lines, large generators, fault current limiters).In this paper, we focus on two essential points, the regenerator and the flow straightener. The regenerator is a key component for good performance of the pulse tube cooler. It must have a large thermal inertia, a low dead volume, a good heat transfer gas/matrix and at the same time, small pressure drop. In the present case and unlike typical moderate cooling power pulse tubes, the regenerator is very compact. However, the resulting conductive losses remain negligible compared to the cooling power targeted. The goal of the flow straightener is to avoid as much as possible any jet stream effect and to guarantee the uniformity of the velocity field at both ends of the pulse tube. Indeed multi-dimensional flow effects can significantly impact the performances of the machine. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
