Monitoring of fresh water consumption and energy needs for hot tap water heating in residential buildings

被引：1

作者：

Rubina, Ales ^{[1
]}

Uher, Pavel ^{[1
]}

Vrana, Jakub ^{[1
]}

Znebejanek, Jiri ^{[1
]}

Salajka, Radek ^{[1
]}

Mostek, Jan ^{[1
]}

Cakl, Dominik ^{[1
]}

Varbanov, Petar Sabev ^{[2
]}

机构：

[1] Brno Univ Technol, Inst Bldg Serv, Fac Civil Engn, Brno 60200, Czech Republic

[2] Brno Univ Technol, Fac Mech Engn, NETME Ctr, Sustainable Proc Integrat Lab, Brno 61669, Czech Republic

来源：

THERMAL SCIENCE AND ENGINEERING PROGRESS | 2024年 / 51卷

关键词：

Flow rates; Design flowrate; Water flow; Water flow calculation; Water consumption; Water flow measurement; Hot water heating; Residential buildings; Energy savings in buildings;

D O I：

10.1016/j.tsep.2024.102639

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The study addresses discrepancies between design and measured values in building energy systems, focusing on water heating inside buildings in Central and Eastern Europe. Using data measured by the authors from 2010 to 2019 in Czech cities, a novel empirical calculation relationship for water flow estimation in apartment buildings is introduced, which is different from the outdated 1940 equation. The proposed calculation is refined and validated based on the measured values, allowing for accurate specification of daily and hourly water demands. The innovative approach is expected to result in tangible savings and a 10 - 20 % reduction in energy consumption for hot water heating, emphasising its significance for sustainable energy supply to buildings.

引用

页数：13

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