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An experimental study of two-phase pressure drop of liquid nitrogen in circular horizontal channels

  • Xingya Chen
  • , Qiaoyu Zhang
  • , Rong Xue
  • , Tianwei Lai
  • , Yu Hou
  • Xi'an Jiaotong University

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

Two-phase cryogenic flow are involved in many cooling systems. In order to study the mechanism of cryogenic two phase flow. Two-phase pressure drop of liquid nitrogen (LN2) in a circular horizontal channels was experimentally studied. A wide range of flow conditions: inlet pressure from 0.15 MPa to 0.30 MPa and mass flux from 120 kg/m2s to 320 kg/m2s, and tube diameters of 4 mm were performed in the experiment. The frictional pressure drop of two-phase LN2 in circular horizontal channel is estimated using two models, the homogeneous model and the separated flow model. In addition, the measured pressure drops are compared with those calculated from correlation models available for mini-scales. As a result, the homogeneous model with the Cicchitti et al. predict better than the other correlations mentioned in this study.

源语言英语
主期刊名1st International Conference IIR of Cryogenics and Refrigeration Technology, ICCRT 2016
编辑Boris Rubinsky
出版商International Institute of Refrigeration
页12-18
页数7
ISBN(电子版)9782362150173
DOI
出版状态已出版 - 2016
活动1st International Conference IIR of Cryogenics and Refrigeration Technology, ICCRT 2016 - Bucharest, 罗马尼亚
期限: 22 6月 2016 → 25 6月 2016

丛书

姓名Refrigeration Science and Technology
卷22-25-June-2016
ISSN(印刷版)0151-1637

会议

会议1st International Conference IIR of Cryogenics and Refrigeration Technology, ICCRT 2016
国家/地区罗马尼亚
市Bucharest
时期22/06/16 → 25/06/16

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