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热水供热系统备用水平的确定 【英文篇名】 Determination of the stand by margin for hot water heating systems 【作者中文名】 战泰文; 邹平华; 【作者英文名】 By Zhan Taiwen ★ and Zou Pinghua; 【作者单位】 总参工程兵第四设计研究院; 哈尔滨建筑大学; 【文献出处】 暖通空调, HV 修复时间; 限额流量系数; 备用水平; 【英文关键词】 limit heating coefficient; recovery time; limit flowrate coefficient; stand by margin; 【摘要】 给出了限额供热系数、室内空气温度、限额供热时间之间的关系式，指出供热系统故障修复时间Ｚｘｆ不大于用户允许限额供热时间Ｚｙｘ应作为确定系统备用水平的一个基本准则，通过对有备用供热系统限额供热工况的分析，给出了限额流量系数的取值范围。认为所给出的方法可用于正确确定供热系统的备用水平。 【英文摘要】 Provides a relationship between the limit heating coefficient, indoor air temperature and the limit heating time, considers that a system failure recovery time not longer than that of limit heating permitted by the users should be taken as a basic criterion whereby to determine the stand by margin of the heating system, recommends a value range of the limit flowrate coefficient for reference based on an operation condition analysis of a system with stand by capacity. And believes the method given hereof t...