冷藏车毕业设计计算说明书
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- 冷藏车毕业设计计算说明书目录
第一章 绪论··························································3
1.1 冷藏保温汽车的特点···············································3
1.2 冷藏保温汽车的经济意义···········································4
1.3 国内外冷藏保温汽车的发展过程和现状·······························4
1.3.1 冷藏保温汽车的发展过程·······································4
1.3.2 国外冷藏保温汽车的发展现状···································5
1.3.3 我国冷藏保温汽车的发展现状···································6
1.4 我国冷藏保温汽车的发展趋势·······································7
第二章 隔热车厢结构···············································10
2.1 制冷装置························································10
2.2 隔热车厢分类····················································12
2.3 隔热车厢结构····················································13
2.3.1 隔热车厢的结构型式··········································13
2.3.2 隔热层材料及其厚度··········································14
2.3.3 断热桥结构··················································15
2.3.4 车厢蒙皮····················································15
2.3.5 密封条······················································16
2.3.6 车厢门及其附件··············································16
2.3.7 车厢内外附件················································18
2.4 车厢制作技术现状················································20
第三章 隔热车厢设计···············································21
3.1 车厢主要结构型式和技术参数的确定································21
3.2 车厢设计主要技术参数分析和计算··································22
3.2.1 车厢隔热壁传热系数的计算····································22
3.2.2 隔热车厢平均传热系数的计算··································25
3.2.3 制冷设备热负荷的计算········································25
3.3 制冷机组的选择··················································28
3.4 车厢换气倍数的确定··············································28
3.5 车厢重量的计算··················································29
总结··································································30
致谢··································································31
主要参考文献·························································32
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