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（2013届） 毕业论文（设计） 过程材料 题 目： 天津华星酒店空调系统设计 姓　　名：　　　 　 刘岩 　　 　 　　 学 院： 建筑工程学院 专　　业：　　　建筑环境与设备工程　 　　 　 班　　级：　　　　　 建环101 　 　 　　 学 号： 201051645133 指导教师：　　　　　 江清阳 　 　　 导师学科：　　　　　 　 　　 导师职称：　　　　　　 　 　 　　 　　 教务处制　　 年 月 日 嘉兴学院毕业论文（设计）任务书 请同学们从毕业设计平台自行下载。 嘉兴学院外文文献翻译译文 题 目：　 　 天津华星酒店空调系统设计 　　　　 专业班级： 建环101 学生姓名：　刘岩 学号 201051645133 　　 外文原文1 1. Introduction Energy conservation measure (ECM) is a practice conducted in a building for the purpose of reducing energy consumption caused by the electrical systems such as lighting, heating, ventilation and air conditioning systems. ECM is also a way to determine several potential alternatives for reducing energy consumption and deciding which alternatives must be implemented. Energy conservation must be done without sacrificing the comfort of the occupants in the building. ECMs have been implemented widely in buildings for energy saving initiatives in the recent years. ECMs can be categorized based on the amount of financial investment involved in its implementations: zero investment, minor investment and major investment. There are two basic ways of conserving energy using the ECM approach. The first method involves physical alterations or additions to the existing system in the building such as complete system replacements or installation of sensors for lighting system, and the second method requires only changes to the operation of the system such as scheduled lightings or air conditioning operating times. Since the use of heating, ventilation and air conditioning (HVAC) system accounts for one of the highest percentage of energy use in a building, ECM for HVAC systems is a popular research topic and has attracted many building owners in their effort to minimize the buildings energy consumption. ECMs on HVAC systems also result in the highest energy saving potential compare