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首页> 外文期刊>ASHRAE Transactions >Estimating Daily Domestic Hot-Water Use in North American Homes
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Estimating Daily Domestic Hot-Water Use in North American Homes

机译:估计北美家庭的每日生活热水使用量

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Water heating in the U.S. is a major component of total energy consumption in buildings, accounting for approximately 18% of total consumption in the residential sector (EIA 2010). While there are many factors influencing hot-water energy use (location, fuel, combustion and heating efficiency, and standby losses), the actual volume of daily water to be heated is a fundamental quantity for any reasonable estimate of hot-water energy use. This study uses measured annual hot-water use in various North American climates to evaluate hot-water use in homes. The findings show that the quantity of hot-water use is correlated most closely to the mains water temperatures and the occupant demographics of the homes with 70% of the available measurement data explained when occupant demographics are well known. The study proposes a new methodology for estimating the quantities of hot-water use in homes as a function of climate location and occupancy demographics, segregating machine hot-water use, fixture hot-water use, and distribution system hot-water waste.
机译:美国的热水供暖是建筑总能耗的主要组成部分,约占住宅部门总能耗的18%(EIA 2010)。尽管有很多因素会影响热水能源的使用(位置,燃料,燃烧和加热效率以及待机损耗),但是对于任何合理估计的热水能源使用,实际每天要加热的水量都是基本数量。这项研究使用在北美各种气候下测得的年度热水使用量来评估家庭的热水使用量。研究结果表明,热水的使用量与自来水温度和房屋的住户人口统计数据之间的关系最为密切,其中有70%的可用测量数据可以解释住户人口统计数据。这项研究提出了一种新的方法,用于根据气候位置和居住人口统计,隔离机器的热水使用,固定的热水使用以及分配系统的热水浪费来估算房屋中的热水使用量。

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