大学精品课件：第零章制冷绪论-2015.ppt

1、Principles of Refrigeration制冷原理制冷原理Introduction绪绪 论论Teacher:Qin Wang 王王 勤勤(,87951738,13989489559)Institute of Refrigeration and Cryogenics,Zhejiang University2/28/20232Notes for my class 1.Quiz:10 times.(10%)2.Experiment:two weekends.(10%)3.Homework:solve 10 special problems.(20%)4.Exam:at the end o

2、f this semester.(40%)5.Discussion Class:five issues.(20%)2/28/20233Textbooks 1.制冷与低温原理，浙江大学主编 2.“Principles of Refrigeration”，剑桥大学出版社3.制冷原理与设备，西安交通大学主编 4.制冷与低温设备，西安交通大学主编 5.制冷及低温技术(上、中、下)，西安交大主编 2/28/20234Refrigeration 制冷FrostIce从低于环境温度的空间或物体中吸收热量，并将其转移到温度高于它的介质中去的过程Air热量从温度较低物体转移到温度较高物体2/28/20235Co

3、oling 冷却?vs Refrigeration 制冷?WaterIce使物体温度下降的过程热量从温度较高物体转移到温度较低物体热量从温度较低物体转移到温度较高物体2/28/20236Refrigeration 制冷?vs Cooling 冷却?热量从温度较低的物体转移到温度较高的物体热量从温度较高的物体转移到温度较低的物体冷源的获取IceRefrigerant2/28/20237Cooling=temperature dropping=Obtaining low temperature environmentWaterIceIceIceRefrigeration冷源的获取冷环境的获取Ref

4、rigeration and CryogenicsRefrigeration普冷普冷Cryogenics低温低温制造人工低温环境2/28/20239Contents 目目 录录ContentsTime绪绪 论论Introduction3 Weeks第一章第一章制冷与低温的热力学基础制冷与低温的热力学基础1 Thermodynamic fundamentals of refrigeration and cryogenics第二章第二章制冷与低温工质的性质制冷与低温工质的性质2 Properties of working substances used in refrigeration and c

5、ryogenics2 Weeks第三章第三章蒸汽制冷循环蒸汽制冷循环3 Vapor refrigeration cycles3 Weeks2/28/202310Homework_11.What is the definition of refrigeration in your opinion?Please compare the functions of the ice in the following two processes?We get ice by evaporating the refrigerant in a refrigerator.We get iced beer by adding some ice in the bear.2/28/202311回收机械振动能量的泵水装置2/28/202312回收机械振动能量的泵水装置2/28/202313回收机械振动能量的泵水装置2/28/202314节能型家用真空干衣机2/28/202315节能型家用真空干衣机