Modeling and Performance Analysis of Barocaloric Refrigeration System Using Carbon Fiber-Reinforced Structural Heat Exchangers

Fan Wenhao; Qian Kun; Lin Shangchao

doi:10.12465/issn.0253-4339.20260317002

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Modeling and Performance Analysis of Barocaloric Refrigeration System Using Carbon Fiber-Reinforced Structural Heat Exchangers

更新时间：2026-08-17

- Modeling and Performance Analysis of Barocaloric Refrigeration System Using Carbon Fiber-Reinforced Structural Heat Exchangers
- Journal of Refrigeration Pages: 1-9(2026)
- 作者机构：
  
  上海交通大学机械与动力工程学院工程热物理研究所上海 200240
- 作者简介：
  
  Lin Shangchao， male， tenured associate professor， Ph. D. supervisor， Institute of Engineering Thermophysics， School of Mechanical Engineering， Shanghai Jiao Tong University， 86-18862117400， E-mail： shangchaolin@sjtu.edu.cn. Research fields： barocaloric refrigeration and thermal battery， electronic/ionic thermoelectric materials and devices， thermochemical heat storage， solid-state hydrogen storage.
- 基金信息：
  
  the National Natural Science Foundation of China(52276076)
- DOI：10.12465/issn.0253-4339.20260317002
  CLC： TB61⁺1;TB657.5
- Received：17 March 2026，
  
  Revised：2026-05-14，
  
  Accepted：23 May 2026，
  
  Online First：17 August 2026，
- 稿件说明：
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樊文灏，千坤，林尚超. 碳纤维复合承压换热结构压卡制冷系统建模与性能分析［J］. 制冷学报，XXXX，XX（XX）：1-9.

Fan Wenhao，Qian Kun，Lin Shangchao. Modeling and Performance Analysis of Barocaloric Refrigeration System Using Carbon Fiber-Reinforced Structural Heat Exchangers［J］. Journal of Refrigeration，XXXX，XX（XX）：1-9.
樊文灏，千坤，林尚超. 碳纤维复合承压换热结构压卡制冷系统建模与性能分析［J］. 制冷学报，XXXX，XX（XX）：1-9. DOI： 10.12465/issn.0253-4339.20260317002.

Fan Wenhao，Qian Kun，Lin Shangchao. Modeling and Performance Analysis of Barocaloric Refrigeration System Using Carbon Fiber-Reinforced Structural Heat Exchangers［J］. Journal of Refrigeration，XXXX，XX（XX）：1-9. DOI： 10.12465/issn.0253-4339.20260317002.

摘要

针对新型固态压卡制冷系统承压性能与高效换热难以协同兼顾的问题，本文提出一种碳纤维包覆翅片复合承压翅片换热管结构，并建立了相应的压卡制冷系统仿真模型。研究选用高导热压卡复合共晶材料NPG

0.75

-TMP

0.25

-20%EG，基于多物理场有限元方法搭建压卡制冷仿真模型，并对计算微元的压卡相变状态进行判别以求解绝热温变。与传统铝合金换热管相比，该复合材料翅片换热管质量与承压结构的蓄热量降低95%、传热面积提升至2.5倍、热阻降低52%，在满足承压要求基础上可显著提升传热效率，削弱承压结构的蓄热量对温变的负面影响，加快系统达到稳态。同时，进一步探索循环周期、换热流体流速及工作温区对系统制冷性能系数（COP）的影响，确定最优运行工况为循环周期 10 s、换热流体流速 0.5 m/s。本研究为固态压卡制冷系统换热结构的综合力-热性能提升与运行优化提供了理论指导。

Abstract

To address the challenge of balancing the pressure-bearing capacity and high-efficiency heat exchanging in emerging solid-state barocaloric refrigeration systems， the present study proposes a composite heat-exchanging structure featuring carbon fiber-wrapped finned tubes and establishes a simulation framework for barocaloric refrigeration systems. Using a highly thermally conductive barocaloric composite of co-crystal material NPG

0.75

-TMP

0.25

-20%EG， a simulation framework for barocaloric refrigeration was developed based on a finite element model of multi-physics fields， and the barocaloric phase transition state of the computed micro-element was chara

cterized to solve the adiabatic temperature variation. Compared with a conventional aluminum alloy single tube， the composite finned heat exchange tube reduces the weight and structural heat capacity by 95%， increases the heat exchanging area by 2.5 times， and reduces the thermal resistance by 52%. This could significantly improve the heat exchange efficiency， weaken the negative impact of structural heat capacity on temperature changes， and accelerate the system to reach a steady state. Further investigations into the effects of cycle duration， flow velocity of heat exchange fluid， and operational temperature range reveal that the optimal system coefficient of performance （COP） is achieved under a 10-s cycle period and fluid flow velocity of 0.5 m/s. This research provides the theoretical guidance for heat-exchanger structural design with the enhanced overall mechano-thermal performance and operational optimization of solid-state barocaloric refrigeration systems.

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references

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