Investigation on Flow, Heat Transfer, and Ortho-Para Hydrogen Conversion Performance of a Catalyst-Filled Plate-Fin Heat Exchanger

ZHU Shun; WEN Jian; WAN Wenling; XU Pan; LI Ke; WANG Simin

doi:10.7652/xjtuxb202610015

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Investigation on Flow, Heat Transfer, and Ortho-Para Hydrogen Conversion Performance of a Catalyst-Filled Plate-Fin Heat Exchanger

Special Topic Thermal-Fluid Analysis and System Optimization | 更新时间：2026-09-29

- Investigation on Flow, Heat Transfer, and Ortho-Para Hydrogen Conversion Performance of a Catalyst-Filled Plate-Fin Heat Exchanger
- Journal of Xi'an Jiaotong University Vol. 60, Issue 10, Pages: 173-183(2026)
- 作者机构：
  
  西安交通大学能源与动力工程学院，710049，西安
  中国石油长庆油田分公司伴生气综合利用项目部，710021，西安
  西安交通大学化学工程与技术学院，710049，西安
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202610015
  CLC： TK91
- Received：30 December 2025，
  
  Online First：15 April 2026，
  
  Published：10 October 2026
- 稿件说明：
移动端阅览
ZHU Shun, WEN Jian, WAN Wenling, et al. Investigation on Flow, Heat Transfer, and Ortho-Para Hydrogen Conversion Performance of a Catalyst-Filled Plate-Fin Heat Exchanger[J/OL]. Journal of Xi'an Jiaotong University,2026,60 (10):173-183. https://doi.org/10.7652/xjtuxb202610015.
DOI：

ZHU Shun, WEN Jian, WAN Wenling, et al. Investigation on Flow, Heat Transfer, and Ortho-Para Hydrogen Conversion Performance of a Catalyst-Filled Plate-Fin Heat Exchanger[J/OL]. Journal of Xi'an Jiaotong University,2026,60 (10):173-183. https://doi.org/10.7652/xjtuxb202610015. DOI：

摘要

为实现氢液化过程中正仲氢的连续高效转化，针对正仲氢催化剂填充板翅式换热器（CFPFHE），采用实验测试与数值模拟相结合的方法，系统研究了其流动阻力、换热性能及正仲氢催化转化特性。基于搭建的CFPFHE低温实验测试平台，在良好绝热条件下开展了不同雷诺数工况的流动换热与正仲转化实验，并采用热平衡法计算了填料通道（热侧）出口仲氢的体积分数。此外，建立了CFPFHE的三维数值模型，对CFPFHE流动换热与正仲氢转化过程进行了模拟，并通过实验对模型进行了验证。研究结果表明：随着雷诺数的增加，热侧与冷侧摩擦阻力因子均逐渐降低；热侧换热因子先增大后减小，在热侧雷诺数约为213时达到峰值，而冷侧换热因子随冷侧雷诺数单调下降；出口仲氢体积分数随热侧雷诺数先升高后略有下降。数值模拟结果与实验数据吻合良好，摩擦阻力因子、换热因子及出口仲氢体积分数的平均相对偏差均小于7.15%。该研究结果验证了所建数值模型的可靠性，可为CFPFHE在大型氢液化装置中的工程应用提供参考。

Abstract

To achieve continuous and efficient ortho-para hydrogen conversion during the hydrogen liquefaction process

the flow resistance

heat transfer performance

and ortho-para hydrogen catalytic conversion characteristics of a catalyst-filled plate-fin heat exchanger (CFPFHE) were systematically investigated using a combined experimental and numerical approach. Based on the established cryogenic experimental test platform for the CFPFHE

experiments on flow

heat transfer

and ortho-para hydrogen conversion were conducted under well-insulated conditions at various Reynolds numbers. Furthermore

the para-hydrogen volume fraction at the outlet of the packed channel (hot side) was calculated using the heat balance method. Additionally

a three-dimensional numerical model of the CFPFHE was established to simulate the flow

heat transfer

and ortho-para hydrogen conversion processes

and the model was validated by the experimental results. The results indicate that with an increase in the Reynolds number

the friction factors on both the hot and cold sides decrease gradually; the heat transfer factor on the hot side increases first and then decreases

reaching a peak at a hot-side Reynolds number of approximately 213

while the heat transfer factor on the cold side decreases monotonically with the cold-side Reynolds number; and the outlet para-hydrogen volume fraction increases first and then decreases slightly with an increase in the hot-side Reynolds number. The numerical simulation results are found to be in good agreement with the experimental data

and the average relative deviations of the friction factor

heat transfer factor

and outlet para-hydrogen volume fraction are all less than 7.15%. The reliability of the established numerical model is verified by the research results

and a reference is provided for the engineering application of the CFPFHE in large-scale hydrogen liquefaction plants.

关键词

Keywords

references

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