制冷与空调双语.docx

1、制冷与空调双语TEACHING PLAN FOR Refrigeration and Air Conditioning“制冷与空调”教案 (8600270)第一章绪论Part 1 本章教案1 教学目的与基本要求This chapter describes and illustrates basic refrigeration systems. Each basic refrigeration system explanation: Names the system; Shows a schematic diagram of the system; Describes how the syste

2、m works; Names some common uses; Names the motor controls used.It is important that one should become familiar with the fundamental operating principles of the common systems described in this chapter.2 内容与时间安排(1) Ice refrigeration(2) Evaporative refrigeration(3) Compression system(4) Multiple evapo

3、rator system(5) Compound refrigerating system(6) Cascade refrigerating system(7) Absorption system(8) Expendable refrigerant refrigeration system(9) Thermoelectric refrigeration(10) Solid absorbent refrigeration(11) Sophisticated commercial systemsAmong them, 1 period for (1-3); 1 period for (4-6);

4、2 periods for (7-8); 2 periods for (9-11);Total: 6 periods (学时)3 重点和难点重点：压缩系统（制冷剂流量控制）；吸收式系统（连续循环吸收系统）；难点：1. 基本制冷专业词汇的含义及用法； 2专业英语句法； 3压缩系统和吸收式系统的组成和运行原理。4 知识扩展机械制冷的发展历史5 教学方法和注意事项以讲课为基本手段。由于这一章是本门课程的开始，学生对相关专业的英文词汇及句法还不熟悉，因此应当在学习生词、难句的基础上，让学生逐步开始习惯于英文材料的阅读和理解。另一方面，虽然学生已经有制冷技术课的基础，但考虑到双语教学的特点，在讲授过程中

5、还应针对所涉及专业知识进行进一步阐述。6 参考文献1 制冷与空调，自编教材（本课程配套中文教材）2 空气调节用制冷技术，彦启森编，中国建筑工业出版社，1985.123 空气调节，赵荣义编，中国建筑工业出版社，1994.11Part 2 单元授课教案(I)1 本单元教学内容(1) Ice refrigeration(2) Evaporative refrigeration(3) Compression system(4) Multiple evaporator system(5) Compound refrigerating system(6) Cascade refrigerating sys

6、tem2 本单元的教学方式（手段）Lecturing3 本单元师生活动设计安排适当的提问和讨论。4 本单元的讲课提纲、板书设计（或电子教案）1.1 ICE REFRIGERATION1.2 EVAPORATIVE REFRIGERATION1.2.1 DESERT BAG1.2.2 SNOW-MAKING1.3 COMPRESSION SYSTEM1.3.1 LOW-SIDE FLOAT REFRIGERANT CONTROL1.3.2 HIGH-SIDE FLOAT REFRIGERANT CONTROL1.3.3 AUTOMATIC EXPANSION VALVE REFRIGERANT

7、CONTROL (AEV)1.3.4 THERMOSTATICALLY CONTROLLED EXPANSION VALVE (TEV)1.3.5 CAPILLARY TUBE REFRIGERANT CONTROL1.4 MULTIPLE EVAPORATOR SYSTEM1.5 COMPOUND REFRIGERATING SYSTEMS7 本单元的作业布置a. 从日常生活中找出人们“蒸发式制冷”的例子。b. 熟悉并掌握本章所学的新词汇。Part 2 单元授课教案 (II)1 本单元教学内容(7) Absorption system(8) Expendable refrigerant re

8、frigeration system(9) Thermoelectric refrigeration(10) Solid absorbent refrigeration(11) Sophisticated commercial systems2 本单元的教学方式（手段）Lecturing3 本单元师生活动设计安排适当的提问和讨论。4 本单元的讲课提纲、板书设计（或电子教案）1.6 CASCADE REFRIGERATING SYSTEMS1.7 ABSORPTION SYSTEMS1.7.1 AN INTERMITTENT ABSORPTION SYSTEM1.7.2 A CONTINUOUS

9、 CYCLE ABSORPTION SYSTEM1.8 EXPENDABLE REFRIGERANT REFRIGERATION SYSTEM1.9 THERMOELECTRIC REFRIGERATION1.10 SOLID ABSORBENT REFRIGERATION1.11 SOPHISTICATED COMMERCIAL SYSTEMS5 本单元的作业布置a. 利用网络资源查询课文中提及的Faraday（法拉第）在固体吸收剂制冷方面贡献的详细资料。b. 熟悉掌握本章所学新词汇。c. 比较间歇吸收式系统和连续吸收式系统的异同Chapter 2 RefrigerantsPart 1 本章

10、教案1 Purpose and Basic requirementA heat carrier must be used to move heat from the interior of a cabinet or room to the outside. In a standard mechanical cooling system, evaporating liquid refrigerant in the evaporator removes heat. The most commonly used refrigerants are discussed in this chapter,

11、including some requirements for refrigerants, identifying of refrigerants, and the main characteristics of all kinds of refrigerants mentioned in the chapter. After studies of this chapter, one should master the common kinds of refrigerant, familiar with the identifying methods of refrigerants, and

12、the different applications of refrigerants, et al.2 Contents and Time arrangement(1) Requirements for refrigerants(2) Identifying refrigerants by number(3) Standard evaporator and condenser temperatures(4) Grouping and classification of refrigerants(5) Group one refrigerants(6) Group two refrigerant

13、s(7) Group three refrigerants(8) Expendable refrigerants(9) Water as a refrigerants(10) Food Freezants(11) Cryogenic fluids(12) Pressures and temperatures(13) Refrigerant applications(14) Refrigeration oilAmong them, 2 periods for (1-7); 2 periods for (8-14);Total: 4 periods (学时)3 Emphases and diffi

14、cultiesa. 制冷剂的分类方法及标示方法b. 标准蒸发温度和冷凝温度c. 几种常用制冷剂（R22, R717, R502, R503等）的主要性质及适用场合4 Extending补充介绍当今使用的环保制冷剂R134a的基本性质补充介绍“天然制冷剂”5 Methods and Attention以讲课为基本手段。本章内容以制冷剂的分类作为内容安排的线索，但其中穿插有诸如标准工况等介绍，因此在讲解时应注意主次区分，让学生对本章内容有清晰的理解。6 References1 制冷与空调，自编教材（本课程配套中文教材）2 空气调节用制冷技术，彦启森编，中国建筑工业出版社，1985.123 空气调节

15、，赵荣义编，中国建筑工业出版社，1994.11Part 2 单元授课教案（I）1 本单元教学内容(1) Requirements for refrigerants(2) Identifying refrigerants by number(3) Standard evaporator and condenser temperatures(4) Grouping and classification of refrigerants(5) Group one refrigerants(6) Group two refrigerants(7) Group three refrigerants2 本单

16、元的教学方式（手段）Lecturing3 本单元师生活动设计安排适当的提问和讨论。4 本单元的讲课提纲、板书设计（或电子教案）2.1 REQUIREMENTS FOR REFRIGERANTS2.2 IDENTIFYING REFRIGERANTS BY NUMBER2.3 STANDARD EVAPORATOR AND CONDENSER TEMPERATURES2.4 GROUPING AND CLASSIFICATION OF REFRIGERANTS2.5 GROUP ONE REFRIGERANTS2.5.1 HALIDE REFRIGERANTS2.5.1A R-12 DICHLO

17、RODIFLUOROMETHANE (CCl2F2)2.5.1B R-22 MONOCHLORODIFLUOROMETHANE (CHClF2)2.5.1C R-11 TRICHLOROMONOFLUOROMETHANE (CCl3F)2.5.2 AZEOTROPIC MIXTURES2.5.2A R-500 REFRIGERANT (R-152a+R-12) (CCI2F/CH3CHF2)2.5.2B R-502 REFRIGERANT (R-22 + R-115) (CHClF2/CClF2CF3)2.5.2C R-503 REFRIGERANT (R-23 + R-13) (CHF3/C

18、ClF3)2.5.2D R-504 REFRIGERANT (R-32 + R-115) (CH2F2/CF3CCLF2)2.6 GROUP TWO REFRIGERANTS2.6.1 R-717 AMMONIA (NH3)2.7 GROUP THREE REFRIGERANTS5 本单元的作业布置a. 在Internet上查找阅读有关制冷剂对大气环境破坏的文献。b. 熟悉并掌握本章所学的新词汇。Part 2 单元授课教案（II）1 本单元教学内容(8) Expendable refrigerants(9) Water as a refrigerants(10) Food Freezants(

19、11) Cryogenic fluids(12) Pressures and temperatures(13) Refrigerant applications(14) Refrigeration oil2 本单元的教学方式（手段）Lecturing3 本单元师生活动设计安排适当的提问和讨论。4 本单元的讲课提纲、板书设计（或电子教案）2.8 EXPENDABLE REFRIGERANTS2.9 WATER AS A REFRIGERANT2.10 FOOD FREEZANTS2.11 CRYOGENIC FLUIDS2.12 PRESSURES AND TEMPERATURES2.12.1

20、HEAD PRESSURES (HIGH SIDE)2.12.2 REFRIGERATOR TEMPERATURES2.13 REFRIGERANT APPLICATIONS2.14 REFRIGERATION OIL5 本单元的作业布置a. 思考并回答：为什么在不同的应用场合要采用不同的制冷剂？b. 为什么在制冷系统设计中必需考虑制冷剂的温度和压力？c. 熟悉并掌握本章所学的新词汇。Chapter 3 Compression Systems and CompressorsPart 1 本章教案1 Purpose and Basic requirementThe compression sys

21、tem is the basis of operation of the refrigeration units described in this chapter. One must understand the system to accurately diagnose (identify) mechanical difficulties. Many types of compression mechanisms are explained to help the students become familiar with their basic operation.Necessary d

22、etails concerning the construction and operation of the parts as well as of various types of these mechanisms are explained fully. Included are necessary temperature and motor controls.2 Contents and Time arrangement(1) Compression systems(2) Evaporator(3) Condenser(4) Refrigerant flow control(5) Co

23、mpressor(6) Other PartsAmong them, 2 periods for (1-2); 2 periods for (3-4);2 periods for (5-6);Total: 6 periods (学时)3 Emphases and difficultiesEmphases：a. 学习机械压缩式制冷系统的基本原理与设备构成，强化对压缩式制冷系统的认识；b. 压缩式制冷系统中制冷剂流量的各种控制方法；c. 压缩机的形式及其基本运行原理Difficulties：a. Refrigerant flow control，以及不同控制方式的特点及其使用场合；b. 压缩机的基

24、本形式及其工作原理；c. 与设备（蒸发器、冷凝器、压缩机及辅助设备）相关的专业词汇比较生僻，是学习中的难点。4 Extending补充压缩式制冷循环在T-S图和lgP-h图上的表示方法。5 Methods and Attentions以讲课为基本手段。本章教材内容较多，不仅有制冷系统的原理，还有各种制冷设备，尤其是有关压缩机部分的内容，涉及机械方面的专业知识较多，该部分内容即使在中文教材中对学生而言也属于难点，因此教学中应注意这部分内容讲解的深度，结合双语教学的特点，可将重点放在对相关专业术语的理解上。6 References1 制冷与空调，自编教材（本课程配套中文教材）2 空气调节用制冷技术

25、，彦启森编，中国建筑工业出版社，1985.123 空气调节，赵荣义编，中国建筑工业出版社，1994.11Part 2 单元授课教案（I）1 本单元教学内容(1) Compression systems(2) Evaporator2 本单元的教学方式（手段）Lecturing3 本单元师生活动设计安排适当的提问和讨论。4 本单元的讲课提纲、板书设计（或电子教案）3.1 COMPRESSION SYSTEMS3.1.1 LAWS OF REFRIGERATION3.1.2 COMPRESSION CYCLE3.1.3 OPERATION OF COMPRESSION CYCLE3.1.4 TEMP

26、ERATURE AND PRESSURE CONDITIONS IN THE COMPRESSION CYCLE3.2 EVAPORATOR5 本单元的作业布置a. 在T-S图和lgP-h图上的表示出压缩制冷的理论循环过程。b. 熟悉并掌握本章所学的新词汇。Part 2 单元授课教案（II）1 本单元教学内容(3) Condenser(4) Refrigerant flow control2 本单元的教学方式（手段）Lecturing3 本单元师生活动设计安排适当的提问和讨论。4 本单元的讲课提纲、板书设计（或电子教案）3.3 CONDENSER3.4 REFRIGERANT FLOW CON

27、TROL TYPES3.4.1 CAPILLARY (CAP.) TUBE3.4.2 AUTOMATIC EXPANSION VALVE (AEV)3.4.3 THERMOSTATIC EXPANSION VALVE (TEV)3.4.4 LOW-SIDE FLOAT (LSF)3.4.5 HIGH-SIDE FLOAT (HSF)5 本单元的作业布置a. 改变蒸发器和冷凝器的换热性能（强化或恶化）对压缩式制冷循环的效率（COP）会带来什么样的影响？b. 熟悉并掌握本章所学的新词汇。Part 2 单元授课教案（III）1 本单元教学内容(5) Compressor (partial)2 本单元

28、的教学方式（手段）Lecturing3 本单元师生活动设计安排适当的提问和讨论。4 本单元的讲课提纲、板书设计（或电子教案）3.5 COMPRESSOR3.5.1 TYPES OF COMPRESSORS3.5.2 RECIPROCATING COMPRESSORS3.5.2A PISTON CYLINDER CRANK ARRANGEMENTS3.5.2B CYLINDERS3.5.2C PISTON AND PISTON RINGS3.5.2D CONNECTING RODS3.5.2E CYLINDER HEAD3.5.2F VALVES AND VALVE PLATES3.5.2G C

29、RANKSHAFT SEAL3.5.2H COMPRESSOR HOUSING-CRANKCASE3.5.2I INTAKE AND EXHAUST PORTS3.5.3 ROTARY COMPRESSOR3.5.3A TYPES OF ROTARY COMPRESSORS3.5.3B ROTARY CYLINDER CONSTRUCTION3.5.3C ROTARY COMPRESSOR CONSTRUCTION3.5.3D BLADE (VANE) CONSTRUCTION5 本单元的作业布置a. 根据参考资料掌握不同形式压缩机的应用范围（适用的制冷量大小）。b. 熟悉并掌握本章所学的新词

30、汇。Part 2 单元授课教案（IV）1 本单元教学内容(5) Compressor (partial)(6) Other Parts2 本单元的教学方式（手段）讲课3 本单元师生活动设计Quizzing and Discussing4 本单元的讲课提纲、板书设计（或电子教案）3.5.4 SCREW TYPE COMPRESSOR3.5.5 CENTRIFUGAL COMPRESSORS3.5.5A STATOR CONTRUCTION3.5.5B ROTOR CONSTRUCTION3.6 OTHER PARTS3.6.1 ACCUMULATOR3.6.2 SUCTION LINE3.6.3 LOW SIDE FILTER-DRIER3.6.4 COMPRESSOR LOW SIDE OR SUCTION SERVICE VALVE3.6.5 COMPRESSOR HIGH-SIDE SERVICE VALVE3.6.6 OIL SEPARATOR3.6.7 LIQUID RECEIVER3.6.8 LIQUID LINE FILTER-DRIER3.6.9 LIQUID LINE5 本单元的作业布置a. 为什么在制冷系统中必需要设置各种辅助设备？他们各自完成什么功能？b. 熟悉并掌握本章所学的新词汇。Chapter 4 Ab