毕业设计mlsc22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）华中科技大学文华学院毕业设计(论文)MLSC22水冷活塞冷水机组制冷系统设计2012年5月22日40华中科技大学文华学院毕业设计（论文）40华中科技大学文华学院毕业设计（论文）40华中科技大学文华学院毕业设计（论文）目录摘要······················································140华中科技大学文华学院毕业设计（论文）关键词··············································

2、······1Abstract···················································2Keywords·················································2前言······················································31.方案论证···············································41.1流程选择···········

3、·································41.2换热器的选择········································41.2.1冷凝器的选择40华中科技大学文华学院毕业设计（论文）···································41.2.2蒸发器的选择···································41.3制冷剂的选择········································51.4节流装

4、置的选择······································61.5压缩机的选择········································72.过程论述················································82.1已知参数············································82.1.1制冷循环的lgp-h图······························840华中科技大

5、学文华学院毕业设计（论文）2.1.2单供冷工况······································82.2制冷循环热力计······································82.2.1单位质量制冷量··································82.2.2单位容积制冷量··································82.2.3单位绝热功······································8

6、2.2.4制冷系数········································82.2.5制冷剂质量流量··································92.2.640华中科技大学文华学院毕业设计（论文）实际输气量······································92.2.7压缩机理论功率··································92.2.8单位冷凝热·······························

7、·······92.3冷凝器的热力计算····································92.3.1冷凝器传热管的设计计算与校核·····················92.3.2冷凝器负荷及流量计算···························102.3.3冷凝结构的初步规划·····························112.3.4管内水侧表面传热系数···························112.3.5计算管外R22蒸气冷凝表面传热系数··

8、·············1240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···················132.3.7计算所需的传热面积·····························142.3.8计算冷却水侧流动阻力···························142.3.9冷凝器的结构设计·······························142.4蒸发器的设计计算··