Results 11 to 20 of about 27,464 (258)

Domestic hot water design and flow measurements

Energy Reports, 2021
In this study, the sizing of primary side components for preparation of domestic hot water are analysed, both qualitatively and based on measurements of domestic hot water demand in one multi-family building with 268 apartments.
Helge Averfalk, Erik Möllerström, Fredric Ottermo   +2 more
doaj   +4 more sources

Measurement data on domestic hot water consumption and related energy use in hotels, nursing homes and apartment buildings in Norway [PDF]

Data in Brief, 2021
The data article describes detailed measurements of domestic hot water (DHW) consumption in 12 Norwegian buildings. Included in this study are 4 hotels, 4 nursing homes, and 4 apartment buildings in the greater Oslo region.
Harald Taxt Walnum, Åse Lekang Sørensen, Karolina Stråby   +2 more
doaj   +2 more sources

Real Domestic Hot Water Consumption in Residential Buildings and Its Impact on Buildings’ Energy Performance—Case Study in Poland

Energies, 2021
A building’s energy consumption is assessed considering the energy required for heating, cooling, lighting, and domestic hot water (DHW). Methodologies used to calculate energy certificates in European Union countries consider hot water consumption rates
Katarzyna Ratajczak, Katarzyna Michalak, Michał Narojczyk, Łukasz Amanowicz   +3 more
doaj   +3 more sources

Comparison of Real and Forecasted Domestic Hot Water Consumption and Demand for Heat Power in Multifamily Buildings, in Poland

Energies, 2022
Determining the demand for heat power for domestic hot water preparation is necessary to perform a building energy assessment. For this, we need to predict domestic hot water consumption.
Wojciech Rzeźnik, Ilona Rzeźnik, Paweł Hara   +2 more
doaj   +3 more sources

Legionella Infection Risk from Domestic Hot Water

Emerging Infectious Diseases, 2004
We investigated Legionella and Pseudomonas contamination of hot water in a cross-sectional multicentric survey in Italy. Chemical parameters (hardness, free chlorine, and trace elements) were determined. Legionella spp.
Paola Borella, M. Teresa Montagna, Vincenzo Romano-Spica, Serena Stampi, Giovanna Stancanelli, Maria Triassi, Rachele Neglia, Isabella Marchesi, Guglielmina Fantuzzi, Daniela Tatò, Christian Napoli, Gianluigi Quaranta, Patrizia Laurenti, Erica Leoni, Giovanna De Luca, Cristina Ossi, Matteo Moro, Gabriella Ribera D’Alcalà   +17 more
doaj   +5 more sources

Analytical study on changes in domestic hot water use caused by COVID-19 pandemic. [PDF]

Energy (Oxf), 2021
Kim D, Yim T, Lee JY.
europepmc   +2 more sources

Predictive control based on occupant behavior prediction for domestic hot water system using data mining algorithm

Energy Science & Engineering, 2019
Domestic hot water systems are a primary source of energy consumption in buildings, and present a promising future in terms of energy saving. Predictive control methods have been used to reduce energy consumption during an operation period.
Sheng Cao, Shengya Hou, Lijun Yu, Jie Lu
doaj   +2 more sources

Study on the behavior and overall planning of domestic hot water in Chifeng University [PDF]

E3S Web of Conferences, 2021
Based on the statistics of the current situation of hot water in students’ dormitories of Chifeng University, this paper summarizes the characteristics of male and female students’ use of domestic hot water, obtains the relevant laws of university ...
Shuai Ying, Zhang Yaxin, Li Xiaowei, Wang Qian, Yang Yuchen, Li Qiang, Han Zixuan, Zhang Kunpeng   +7 more
doaj   +1 more source

Performance of heat pump system for water heating in European climate [PDF]

E3S Web of Conferences, 2020
A performance of air-to-water and brine-to-water heat pump for domestic hot water preparation was analyzed in different climates of Europe. Air-source heat pumps are widely used energy source for domestic applications with low operation costs.
Kachalouski Yauheni, Tomáš Matuška
doaj   +1 more source

Energy Consumption by DHW System with a Circulation Loop as an Energy Efficiency Component, Based on an Example of a Residential Building

Energies, 2022
In the EU countries, almost 50% of the produced energy is used in residential buildings. More than 25% of this energy is used to produce domestic hot water, of which almost 80% is used to heat water in domestic hot water circulation systems.
Marcin Klimczak, Grzegorz Bartnicki, Piotr Ziembicki   +2 more
doaj   +1 more source