Transient thermal model of a vehicle's cabin validated under variable ambient conditions

被引：65
|
作者：
Torregrosa-Jaime, Barbara [1 ]
Bjurling, Filip [1 ]
Corberan, Jose M. [1 ]
Di Sciullo, Fausto [2 ]
Paya, Jorge [1 ]
机构：
[1] Univ Politecn Valencia, Inst Ingn Energet, Valencia 46022, Spain
[2] Ctr Ric Fiat, I-10043 Orbassano, TO, Italy
来源：
APPLIED THERMAL ENGINEERING | 2015年 / 75卷
关键词：
Automotive; Modelling; Simulation; Thermal load; Air conditioning; TEMPERATURE; COMPARTMENT; SYSTEM;
D O I：
10.1016/j.applthermaleng.2014.05.074
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper presents a lumped-parameter thermal model of the passengers' compartment of a vehicle. The model is completely dynamic and has been thoroughly validated under variable ambient conditions including solar radiation. The proposed model reproduces accurately the warm-up and cool-down of the cabin and can help analyse capacity reduction actions for air-conditioning systems. In this study, the thermal loads have been calculated by means of the model. For the tested minibus in real outdoor conditions, air renewal represents from 7% up to 53% of the thermal load, while the solar radiation accounts for 18%-31%. According to the results, a decrease of 0.2 in the glazing transmissivity can lead to a 3.3% reduction of the installed cooling capacity. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：45 / 53
页数：9
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