飞行人员英语阅读：Unit 17 Fire Protection Systems

1、Unit 17 Fire Protection Systems,飞行学院 wpcluke 上海工程技术大学,Teaching Plan,1.Technical terms 2.Abbreviations and acronyms3.Get familiar with fire protection systems4.Grammar,Composition of The Text,Part 1: General Part 2: Detection methods Part 3: Fire prevention and protection Part 4: Cockpit and cabin in

2、teriors Part 5: Extinguisher types,Inherent: adj.固有的,内在的,There is an inherent weakness in the design. 这设计本身存在弱点。 Weight is an inherent property of matter. 重量是物质固有的特性。,1.one of the most dangerous threats to an aircraft fire zone fixed 3. complete fire protection system=fire detection system+fire exti

3、nguishing system 4. detectors(探测器) for reciprocating engine aircraft(活塞发动机飞机) (1)overheat detectors(过热探测器) (2) rate-of-temperature-rise detectors(温升式探测器) (3)flame detectors(火焰探测器) (4)observation by crew members others: smoke detectors(烟雾探测器) Carbon monoxide detectors(一氧化碳探测器) Chemical sampling equip

4、ment(化学采样设备),Part 1: General,Back,smoulder,burn slowly and without a flame :熏烧;闷燃;(情绪)郁积 1.It took hours for the ruins to smoulder out. 废墟燃了几个小时才烧尽。 2.Her eyes smoulder with jealousy. 她的眼睛露出嫉妒的目光。,Part 2: Detection methods,Detection methods used in turbine engine aircraft fire protection systems Rat

5、e-of- temperature- rise detectors (温升式探测器) Radiation sensing detectors（辐射敏感探测器） Smoke detectors Overheat detectors (过热探测器) Carbon monoxide detectors(一氧化碳探测器) Combustible mixture detectors (易燃混合物探测器) Fiber-optic detectors(光束探测器) Observation of crew or passengers,Back,Incorporate:合并,1.The new car desi

6、gn incorporates all the latest safety features. 新的汽车设计具备最新安全措施的一切特点。 2.Many of your suggestions have been incorporated in the new plan. 你的很多建议已经被纳入新计划中。,Part 3: Fire prevention and protection,Sources of fire leaking fuel and hydraulic, de-icing or lubricating fluids What should be noted? 1.Inspect f

7、uel tank installations for signs of external leaks 2.Hydraulic fluids should not be permitted to accumulate in the structure. 3.Any leakage(泄露) or spillage(溢出;溅出) of flammable fluid in the vicinity of combustion heaters is a fire risk. 4.Oxygen system equipment must be kept absolutely free from trac

8、es of oil or grease(油脂).,Back,Minute:微小的;会议记录,1.I had remembered in minute detail everything that had happened. 我对发生的每件事的细枝末节都记得清清楚楚。 2.You must learn how to take minutes. 你必须学会做会议纪要。,Lagging materials:绝缘材料；绝热材料,in the vicinity of:在附近;与接近,1.There is no high school in the vicinity. 附近没有高中。 2All the s

9、hips in the vicinity of the crash joined in the search for survivors. 撞船事故发生地区的所有船只都参加了搜寻幸存者的工作。 3.A brandy distilled from white wine and produced in the vicinity of Cognac. 法国白兰地酒由白葡萄酒蒸馏获得的一种白兰地酒，产于科涅克附近 4.He is in the vicinity of fifty. 他在五十岁左右。,Part 4: Cockpit and cabin interiors,All wool, cotton

10、 and synthetic(合成的) fabrics(织物) used in interior trim(内部装饰) are treated to render them flame resistant. Foam and sponge rubber covered with flame resistant fabric will not catch fire easily. Hand-held extinguishers(手提式灭火器) for the aircraft interior fire protection water carbon dioxide(二氧化碳) dry chem

11、ical(干粉化学剂) halogenated hydrocarbons (卤代烃),Part 5: Extinguisher types,Water extinguishers 1.fire type: nonelectrical fires 2.operation Carbon dioxide fire extinguishers 1.fire type: electrical fires 2.operation Dry chemical fire extinguishers 1.fire type: any type of fire. Not used in the cockpit 2.

12、operation Halogenated hydrocarbons,Halogenated Hydrocarbons,Low toxicity Hand type fire extinguishers Example: Bromotrifluoromethane (halon 1301) advantages: 1.effective in low concentration 2.can be used in occupied personnel compartments 3.effective on all 3 type fires 4. no residue remaining after its use,Deprive of:剥夺,使失去(权利),1.What will a student do if he were deprived of his books? 一个学生如果没有了书籍，将怎么办？ 2.The trees outside the windows deprive the house of ligh