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نتیجه جستجو - Heat cost allocators

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1 Smart sensors network for accurate indirect heat accounting in apartment buildings
سنسورهای هوشمند شبکه برای حسابداری دقیق غیر مستقیم در ساختمان های آپارتمان-2021
A new method for accurate indirect heat accounting in apartment buildings has been recently developed by the Centre Suisse d’Electronique et de Microtechnique (CSEM). It is based on a data driven approach aimed to the smart networking of any type of indirect heat allocation devices, which can provide, for each heat delivery point of an apartment building, measurements or es- timations of the temperature difference between the heat transfer fluid and the indoor environ- ment. The analysis of the data gathered from the devices installed on the heating bodies, together with the measurements of the overall building heat consumption provided by direct heat metering, allows the evaluation of the characteristic thermal model parameters of heating bodies at actual installation and working conditions. Thus overcoming the negative impact on accuracy of conventional indirect heat accounting due to off-design operation, in which these measurement systems normally operate. The method has been tested on conventional heat cost allocators (HCA), and on innovative smart radiator thermostatic valves developed by CSEM. The evaluations were carried out at the centralized heating system mock-up of the Istituto Nazionale di Ricerca Metrologica (INRIM), and also in a real building in Neuchatel, Switzerland. The method has proven to be an effective tool to improve the accuracy of indirect heat metering systems; compared to conventional HCA systems, the error on the individual heating bill is reduced by 20%–50%.
keywords: شبکه سنسورهای هوشمند | حسابداری غیر مستقیم | اندازه گیری حرارت | مخزن هزینه های حرارتی | سیستم های گرمایش متمرکز | Smart sensors network | Indirect heat accounting | Heat metering | Heat cost allocators | Centralized heating systems
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