液氢冷链物流车相变蓄冷换热器的数值模拟

祖斌杰; 廖全; 甘峻溢

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液氢冷链物流车相变蓄冷换热器的数值模拟

更新时间：2025-02-24

- 液氢冷链物流车相变蓄冷换热器的数值模拟
- Numerical Simulation of Phase Change Cold Storage Heat Exchanger for Liquid Hydrogen Cold Chain Logistics Vehicle
- 默认刊物名称 2025年
- 作者机构：
  
  重庆大学能源与动力工程学院,重庆市重庆市400044
- 作者简介：
- 基金信息：
  
  重庆市技术创新与应用发展专项重点项目
- DOI：
  中图分类号： TK172;TK124
- 收稿日期：2024-12-10，
  
  修回日期：2024-12-18，
  
  录用日期：2025-01-02，
- 稿件说明：
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祖斌杰, 廖全, 甘峻溢. 液氢冷链物流车相变蓄冷换热器的数值模拟[J/OL]. 默认刊物名称, 2025.

ZU Binjie, LIAO Quan, GAN Junyi. Numerical Simulation of Phase Change Cold Storage Heat Exchanger for Liquid Hydrogen Cold Chain Logistics Vehicle[J/OL]. Moren journal, 2025.
祖斌杰, 廖全, 甘峻溢. 液氢冷链物流车相变蓄冷换热器的数值模拟[J/OL]. 默认刊物名称, 2025. DOI：

ZU Binjie, LIAO Quan, GAN Junyi. Numerical Simulation of Phase Change Cold Storage Heat Exchanger for Liquid Hydrogen Cold Chain Logistics Vehicle[J/OL]. Moren journal, 2025. DOI：

摘要

提出了一款应用于液氢冷链物流车相变蓄冷的同轴式螺旋管换热器，建立了该换热器的三维热流耦合数值分析模型。模拟计算并获得了氢气质量流量、氢气进口绝对压强、载冷剂质量流量、载冷剂进口温度等参数对载冷剂出口温度和换热器内相变蓄冷凝固质量的影响规律。计算结果表明：载冷剂出口温度和蓄冷凝固质量与氢气质量流量、氢气进口绝对压强、载冷剂质量流量和载冷剂进口温度等参数密切关系，随着换热器内氢气与载冷剂瞬态传热过程的持续进行，载冷剂出口温度和蓄冷凝固质量均会经过快速变化后逐渐趋于稳定；在本文研究的同轴式螺旋管换热器传热过程中，各种计算工况下均未观察到管外载冷剂因相变凝固而堵塞换热器壳程流道的情况发生。本项目的研究结果可以为液氢冷链物流车相变蓄冷换热器的设计和工程实践应用提供理论分析模型和参考数据。

Abstract

A coaxial spiral tube heat exchanger used for phase change cold storage of liquid hydrogen cold chain logistics vehicles is proposed. The three-dimensional heat flow coupling numerical analysis model of the heat exchanger is established. The influence of parameters such as hydrogen mass flow rate

hydrogen inlet absolute pressure

mass flow rate of secondary refrigerant and inlet temperature of secondary refrigerant on the outlet temperature of secondary refrigerant and the solidification quality of phase change cold storage in heat exchanger was obtained. The calculation results show that the outlet temperature of the secondary refrigerant and the cold storage solidification quality are closely related to the hydrogen mass flow rate

the absolute pressure of the hydrogen inlet

the mass flow rate of the secondary refrigerant and the inlet temperature of the secondary refrigerant. With the continuous transient heat transfer process between the hydrogen and the secondary refrigerant in the heat exchanger

the outlet temperature of the secondary refrigerant and the cold storage solidification quality of the secondary refrigerant will change rapidly and gradually become stable. In the heat transfer process of the coaxial spiral tube heat exchanger studied in this paper

there is no observed blockage of the shell channel of the heat exchanger due to phase change solidification under various calculation conditions. The research results of this project can provide theoretical analysis model and reference data for the design and engineering practice of phase change cold storage heat exchangers for liquid hydrogen cold chain logistics vehicle.

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references

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