mlsc水冷活塞冷水机组制冷系统设计

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1、华中科技大学文华学院毕业设计（论文）题目：MLSC55水冷活塞冷水机组制冷系统设计学生姓名：学号学部（系）：专业年级：指导教师：职称或学位：20年月日28华中科技大学文华学院毕业设计（论文）目录摘要······················································1Abstract···················································2前言····································

2、··················31.方案论证···············································41.1流程选择············································41.2换热器的选择········································41.2.1冷凝器的选择28华中科技大学文华学院毕业设计（论文）···································41.2.2蒸发器的选

3、择···································41.3制冷剂的选择········································51.4节流装置的选择······································51.5压缩机的选择········································62.过程论述················································62.1已知参数····

4、········································62.1.1制冷循环的lgp-h图······························628华中科技大学文华学院毕业设计（论文）2.1.2单供冷工况······································72.2制冷循环热力计······································72.2.1单位质量制冷量··································

5、72.2.2单位容积制冷量··································72.2.3单位绝热功······································72.2.4制冷系数········································72.2.5制冷剂质量流量··································72.2.6实际输气28华中科技大学文华学院毕业设计（论文）量····························

6、··········72.2.7压缩机理论功率··································72.2.8单位冷凝热······································82.3冷凝器的热力计算····································82.3.1冷凝器传热管的设计计算与校核····················82.3.2冷凝器负荷及流量计算····························92.3.3冷凝结构的初步规

7、划······························92.3.4管内水侧表面传热系数···························102.3.5计算管外R22蒸气冷凝表面传热系数···············1028华中科技大学文华学院毕业设计（论文）2.3.6计算传热系数K和面积热流量···················112.3.7计算所需的传热面积·····························122.3.8计算冷却水侧流动阻力··················

8、·········132.3.9冷凝器的结构设计·······························132.4蒸发器的设计计算···································142.4.1制冷剂流量的确定····························142.4.2初步结构设计···································142.4.3管内R22的表面传热系数·······················