基于TRNSYS模拟的粮仓太阳能-土壤源热泵系统㶲分析

陈雁; 闫喜龙; 戴诗渝; 杜潇; 肖昭然; 崔伟华

doi:doi:10.19912/j.0254-0096.tynxb.2024-0982

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基于TRNSYS模拟的粮仓太阳能-土壤源热泵系统㶲分析

更新时间：2025-12-17

- 基于TRNSYS模拟的粮仓太阳能-土壤源热泵系统㶲分析
- Issue 10, Pages: 434-443(2025)
- 作者机构：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-0982
  CLC： K519
- Published Online：31 October 2025，
  
  Published：31 October 2025
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陈雁, 闫喜龙, 戴诗渝, et al. 基于TRNSYS模拟的粮仓太阳能-土壤源热泵系统㶲分析[J]. 2025, (10): 434-443.
DOI：

陈雁, 闫喜龙, 戴诗渝, et al. 基于TRNSYS模拟的粮仓太阳能-土壤源热泵系统㶲分析[J]. 2025, (10): 434-443. DOI： doi:10.19912/j.0254-0096.tynxb.2024-0982.

摘要

针对粮食仓储建筑的能源消耗与安全问题

以中储粮赣州储备库为例

通过TRNSYS建立太阳能-土壤源热泵系统模型

并根据实际仓房运行数据对其准确性进行验证。基于太阳能-土壤源热泵系统制冷季运行工况的模拟数据

对系统进行电、热以及㶲分析。结果表明：在最不利状态工况下

系统各部件中光伏组件和制冷机组的㶲损失值较高

分别占总㶲损失的54%与36%;风机盘管的㶲效率最高

达到69.64%

制冷机组的㶲效率最低

为26.37%;风机盘管的热力学完善度最高

为0.96

光伏组件的热力学完善度最低

为0.47。光伏组件与制冷机组有较大优化空间。整个系统的㶲效率受室外空气温度变化影响;制冷运行中

太阳能-土壤源热泵系统能够使粮食仓房实现近零能耗运行。

Abstract

To address the challenges of energy consumption and operational safety in grain storage buildings

a solar energy-ground source heat pump system model was developed using TRNSYS

with the China Grain Reserves Ganzhou Depot selected as a case study. The accuracy of the model was validated against actual operational data from the storage facility. Based on the simulated performance of the solar energy-ground source heat pump system during the cooling season

comprehensive analyses of the system’s electrical

thermal

and exergy characteristics were conducted. The results show that

under the most unfavorable operating conditions

the photovoltaic panels and the refrigeration unit exhibit the highest exergy losses among all system components

accounting for 54% and 36% of the total exergy loss

respectively. The fan coil units demonstrate the highest exergy efficiency at 69.64%

while the refrigeration unit shows the lowest efficiency at 26.37%. The thermodynamic perfection of the fan coil units reached a maximum of 0.96

whereas the photovoltaic panels exhibit the lowest value of 0.47. These findings indicate that the photovoltaic panels and the refrigeration unit have substantial potential for performance optimization. The overall exergy efficiency of the system is affected to be influenced by variations in outdoor air temperature. During cooling operation

the solar energy-ground source heat pump system enables the grain storage warehouse to achieve near-zero energy consumption.

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