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首页> 外文期刊>Energy Conversion & Management >Production and distribution of domestic hot water in selected Danish apartment buildings and institutions. Analysis of consumption, energy efficiency and the significance for energy design requirements of buildings
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Production and distribution of domestic hot water in selected Danish apartment buildings and institutions. Analysis of consumption, energy efficiency and the significance for energy design requirements of buildings

机译：在某些丹麦的公寓楼和机构中生产和分配生活热水。能耗，能效分析及其对建筑物能源设计要求的意义

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摘要

The goal of this work has been to document the efficiency of domestic hot water (DHW) distribution systems and to propose more energy efficient and environmentally friendly solutions for DHW systems based on analyses of existing conditions. In the article, measurements from 13 apartment buildings and two institutions are presented, i.e. consumption of DHW, heat loss from circulation lines and efficiency of the DHW system. The heat load and the cooling of the district heating water for DHW are documented as well. Possibilities for improving the DHW system include new types of circulation pipes, which have the potential of a 40% reduction of heat losses. In addition to the reduction of heat losses inside the building, a low return temperature from the hot water system will have a large impact on the heat losses from the district heating network when the building is being heated by district heating. It is likely that the production and distribution of DHW in buildings will constitute a dominant share of both the present, and in particular, the future energy design requirements of buildings. The results of this project could influence not only future buildings, but also existing buildings when renovation of installations take place.
机译：这项工作的目的是记录生活热水（DHW）分配系统的效率，并在分析现有条件的基础上为DHW系统提出更加节能和环保的解决方案。本文介绍了13栋公寓楼和2个机构的测量数据，即DHW的消耗量，循环管线的热损失和DHW系统的效率。还记录了DHW的热负荷和区域供热水的冷却情况。改进DHW系统的可能性包括新型循环管道，这种管道可以减少40％的热损失。除了减少建筑物内部的热损失外，当建筑物通过区域供热供暖时，热水系统的低返回温度还将对区域供热网络的热损失产生重大影响。建筑物中DHW的生产和分配可能会构成建筑物当前尤其是建筑物未来能源设计要求的主要部分。该项目的结果不仅会影响将来的建筑物，而且还会影响装置的装修时的现有建筑物。

著录项

  • 来源
    《Energy Conversion & Management》 |2013年第3期|152-159|共8页
  • 作者

    B. B?hm;

  • 作者单位

    BB Energiteknik, Virum, Denmark Technical University of Denmark, Department of Mechanical Engineering, Denmark The Danish Building Research Institute, Department of Energy and Environment, Aalborg University, Denmark;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    domestic hot water; circulation heat losses; efficiency;

    机译：生活热水;循环热损失;效率;

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