土木工程专业英语unit-8(2)课件.ppt

1、1.attenuate 2.hydronic3.adsorbent4.desiccant 5.parameter6.ventilating7.refrigerant Review消弱，减弱 液体循环加热液体循环加热(或冷却或冷却)的的吸附剂干燥剂参数，参量通风制冷剂 supply outlets return inlets chilled water condenser water return airsupply and return ductwork humidity analysisPhrases送风口送风口回风口回风口冷冻水冷冻水凝结水凝结水回风回风送回分管送回分管 湿度分析 spec

2、ifiedregulativestateddestroydamageviolateruindirty contaminatedprovision:n.规定，条款make provision(preparation)for 为.做准备V.provide:provide sb with sthin natureessentiallysubstantiallybe on the boil 正在沸腾boil the pot 谋生boil up 烧开make sbs blood boil 使(某人)愤怒 blood boil 热血沸腾disperse：V.使分散，散开 消失 散发、散布 n.disper

3、salwith the purpose ofbe aimed atbe designed towith the view toJokes(英语笑话）Who do you think you are?The bus was crowded,and as one more man tried to get on,the passengers wouldnt let him aboard.It is too crowded,they shouted.who do you think you are?I am the driver.he said.If I am a Manager One day i

4、n class,the teacher assigned his students to write a composition If I Am a Manager.All the students began to write except a boy.The teacher went to him and asked the reason.I am waiting for my secretary,was the boys answer.drive/promotepropel/motivatereplace/substitute forbadadversedisadvantageousEx

5、ercises（练习）（练习）nI.Read the whole passage and answer the following questions.n1.What are the types of buildings which the air-conditioning system serves?n2.How can the air-conditioning systems be classified based on their size,construction,and operating characteristics?n3.What are the components of p

6、ackaged air-conditioning systems?n4.How many parts does the central air-conditioning systems consist of?n5.What is the air system and what is the function of it?n6.What are the components of control systems?n7.What medium can serve as the working substance to condition air in air-conditioning cycle?

7、n8.How can the air-conditioning cycles be classified according to the cycle performance?n9.How can the operating modes of air-conditioning cycles be classified according to the outdoor weather and indoor operating conditions?n10.Which factors should be considered when select the capacity of an equip

8、ment?nTranslate the following terms into English.n冷水机组 压缩循环冷却器n直膨式蒸发器 满液式蒸发器n风管 制冷循环n过热气体 过冷夜体n高温制冷 中央空调系统nFill in the blanks with the information given in the text.n1.Air-conditioning is a process that simultaneously conditions air;distributes it combined with the outdoor air to the conditioned spa

9、ce;and at the same time controls and maintains the required spaces _,_,_,_,sound level,and _within predetermined limits for the health and comfort of the occupants,for product processing,or both.n2.The acronym HVAC&R stands for_,_,_,and_.The combination of these processes is equivalent to the functi

10、ons performed by air-conditioning.n3.Based on their size,construction,and operating characteristics,air-conditioning systems can be classified as the following:_;_;_;_.n4.In institutional,commercial,and residential buildings,air-conditioning systems are mainly for the occupants health and comfort.Th

11、ey are often called_.In manufacturing buildings,air-conditioning systems are provided for product processing,or for the health and comfort of workers as well as processing,and are called_.n5.Both central and space-conditioning systems consist of the following:_;_;_;_.n6.An air-conditioning process describes the change in thermodynamic properties of moist air between the initial and final stages of conditioning as well as the corresponding _between the _and_,such as water,refrigerant,absorbent,adsorbent,or moist air itself.Thank You!