Research on Key Parameters of a Building-Load Model for Dynamic Performance Measurement of Air Conditioner

Gao Yuping; Wen Chengyu; Shi Wenxing; Han Xing; Cheng Jianhong; Cai Ning; Wang Chao; Yang Zixu

doi:10.12465/issn.0253-4339.20250301002

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Research on Key Parameters of a Building-Load Model for Dynamic Performance Measurement of Air Conditioner

更新时间：2025-11-07

- Research on Key Parameters of a Building-Load Model for Dynamic Performance Measurement of Air Conditioner
- Journal of Refrigeration Pages: 1-9(2025)
- 作者机构：
  
  1.华中科技大学能源与动力工程学院武汉 430074
  2. 广东美的制冷设备有限公司佛山 528311
  3. 清华大学建筑技术科学系北京 100084
  4. 中国标准化研究院北京 100191
  5. 中家院（北京）检测认证有限公司北京 100176
  6. 北京中家智锐智能装备科技有限公司北京 100037
  7. 北京科技大学能源与环境学院北京 100083
- 作者简介：
- 基金信息：
  
  the National Natural Science Foundation of China(52408115)
- DOI：10.12465/issn.0253-4339.20250301002
  CLC： TB657.2;TU831.4
- CSTR：XXXXX.XX.XXX.20250301002
- Received：01 March 2025，
  
  Revised：2025-03-24，
  
  Accepted：24 April 2025，
  
  Published Online：07 November 2025，
- 稿件说明：
移动端阅览
高玉平,温程宇,石文星等.房间空调器性能动态测量虚拟建筑关键参数研究[J].制冷学报,

Gao Yuping,Wen Chengyu,Shi Wenxing,et al.Research on Key Parameters of a Building-Load Model for Dynamic Performance Measurement of Air Conditioner[J].Journal of Refrigeration,
高玉平,温程宇,石文星等.房间空调器性能动态测量虚拟建筑关键参数研究[J].制冷学报, DOI：10.12465/issn.0253-4339.20250301002. CSTR： XXXXX.XX.XXX.20250301002.

Gao Yuping,Wen Chengyu,Shi Wenxing,et al.Research on Key Parameters of a Building-Load Model for Dynamic Performance Measurement of Air Conditioner[J].Journal of Refrigeration, DOI：10.12465/issn.0253-4339.20250301002. CSTR： XXXXX.XX.XXX.20250301002.

摘要

鉴于实验室稳态工况测量无法充分反映空调器的真实性能问题，基于虚拟建筑的房间空调器动态性能测量已成为当前的研究热点。通过模拟仿真和模型分析方法，确定了房间空调器性能动态测量关键参数：建筑的负荷点、0负荷点、热冷比、显热比、选型系数和房间有效热容和湿容，并通过实验验证了动态性能测量方法的可行性。结果显示：适用于我国平均建筑的房间空调器的选型系数制冷季可取1.33，对于安装2.4 k W空调的房间（12~20 m

），房间有效热容为240~300 kJ/K，湿容为50~100 kg，基于上述参数在实验室对3.5 kW 空调器性能进行动态测试，发现动态能效较稳态能效下降31.8%，能更真实地反映空调器的真实性能。

Abstract

Given that measurements made under steady-state laboratory conditions cannot fully reflect the actual performance of air conditioners， the dynamic measurement of room air conditioner performance based on virtual buildings has become a research hotspot. This study determines the key parameters for the dynamic measurement of room air conditioner performance via simulation and model analysis methods， focusing on the load-point of the building， the zero-load point， the heat-to-cold ratio， the sensible-heat ratio， the selection coefficient， and the room’s effective heat capacity and moisture capacity. The feasibility of this dynamic performance-measurement method is experimentally verified. The results show that for air conditioners applicable to average buildings in China， the selection coefficient for the cooling season was 1.33. For rooms with an installation capacity of a 2.4 kW air conditioner （rooms of 12-20 m

）， the effective heat capacity was 240-300 kJ/K and the moisture capacity 50-100 kg. Based on these parameters， a dynamic performance test of a 3.5 kW air conditioner was conducted in the laboratory. These parameters resulted in a dynam

ic energy efficiency 31.8% lower than the steady-state-based energy efficiency， thus more accurately reflecting the actual performance of the air conditioner.

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references

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