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首页> 外文会议>International Conference on Enhanced Building Operations; 20061106-08; Shenzhen(CN) >A Simple Method to Continuous Measurement of Energy Consumption of Tank Less Gas Water Heaters for Commercial Buildings
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A Simple Method to Continuous Measurement of Energy Consumption of Tank Less Gas Water Heaters for Commercial Buildings

机译：一种连续测量商业建筑无罐燃气热水器能耗的简单方法

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摘要

although energy consumptions of hot water supply in restaurants or residential houses are large amount, guidelines for optimal design are not presented, measurements of energy consumption of tank less gas water heaters very difficult unless gas flow meters were installed, however a gas flow meters is hardly installed for individual heater, in this study, a simple method to estimate gas consumption of such appliances form temperature of exhaust gas and electric current was presented, experiments of japanese major hot water gas heaters were conducted change under conditions of various water flow rate at constant output temperature, the empirical equations, which related gas consumption to exhaust gas temperature and operative current, were obtained for each type of water heaters, each manufacturer and overall heaters, verification of the method was conducted at a commercial building, some thresholds to decide status of operation, such as anti-freeze operation, were set, and sufficient accuracy of around 10 % error was achieved.
机译：尽管饭店或住宅中热水供应的能源消耗量很大，但没有提出优化设计的指导原则，除非安装了气体流量计，否则很难测量无水箱的燃气热水器的能耗，但是很难安装气体流量计本研究中，通过安装用于单个加热器的装置，提出了一种从废气温度和电流的角度估算此类装置的燃气消耗的简单方法，并在各种水流量恒定的条件下进行了日本大型热水加热器的实验。对于每种类型的热水器，每个制造商和整体加热器，获得了输出温度，经验公式，这些公式将气体消耗与废气温度和工作电流相关联，在商用建筑中对该方法进行了验证，并确定了一些阈值来确定状态设置了防冻操作等操作，并且有足够的交流电达到了大约10％的错误治愈率。

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