Results 21 to 30 of about 26,549 (157)

Efficiency of solar energy use in domestic hot water systems in Poland

open access: yesBudownictwo o Zoptymalizowanym Potencjale Energetycznym, 2021
This article establishes the efficiency of a single-circuit thermosyphon domestic solar hot water system for Polish cities such as Warsaw, Lublin, Bialystok, Czestochowa and Szczecin, using two indicators, namely the solar share and the efficiency of ...
Olena Savсhenko, Anna Lis
doaj   +1 more source

Hybrid Domestic Hot Water System Performance in Industrial Hall

open access: yesResources, 2020
The renewable and waste heat sources implemented for the preparation of domestic hot water (DHW) allow for energy conservation and environment protection along with resource savings and economic benefits. The solutions, including non-conventional sources,
Edyta Dudkiewicz   +1 more
doaj   +1 more source

Experimental Comparison of Flat Plate and Evacuated Tube Solar Thermal Collectors for Domestic Hot Water Preparation in Education Facilities

open access: yesJournal of Sustainable Development of Energy, Water and Environment Systems, 2020
One key component of the energy demand in the built environment is the thermal energy required for domestic hot water preparation. Currently, fossil fuels are mostly used to meet the thermal energy demand in the built environment, lately, solar thermal ...
Macedon Moldovan   +2 more
doaj   +1 more source

Photovoltaic–thermal advanced technology for real applications: Review and case study

open access: yesEnergy Reports, 2023
This study analyzes research trends on photovoltaic–thermal (PVT) systems used in buildings. The applications of PVT systems are also classified into system design, material and fluid types, and operating methods. Although many studies proposed new types
Jinhwan Oh   +4 more
doaj   +1 more source

Heat Losses Evaluation for Domestic Hot Water Distribution Systems [PDF]

open access: yesBulletin of the Polytechnic Institute of Jassy: Constructions, Architechture Section, 2006
In sanitary systems assembly, domestic hot water distribution supply networks represent an important weight for energetically balance.par This paper presents, in an analytical and graphical manner, the computational tools needed for domestic hot water ...
Theodor Mateescu, Radu Hudişteanu
doaj  

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

open access: yesEnergy 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   +1 more source

Structure of domestic hot water consumption

open access: yesInternational Journal of Energy Research, 1985
We analyse the time and volume distributions for hot water consumption using data acquired from seven New Zealand households. This shows that there is a high proportion of low volume draws, 50 per cent yielding less than 2–31, depending on the household.
C. G. Carrington   +2 more
openaire   +1 more source

Impact of the circulation system on domestic hot water consumption

open access: yesE3S Web of Conferences, 2017
The article presents the results of researches for domestic hot water in two, the same buildings – students dormitories. There was not working circulation system in one of the objects.
Polarczyk Iwona, Fijewski Michał
doaj   +1 more source

Optimising Residential Water Heating System Performance to Minimise Water-Energy Penalties

open access: yesJournal of Sustainable Development of Energy, Water and Environment Systems, 2016
The energy consumption associated with domestic hot water supply services correspond to a significant portion of the total energy consumption of the urban water cycle. The objective of this study is to analyse the performance of domestic water heaters in
Abel Silva Vieira   +3 more
doaj   +1 more source

Influence of Cold Water Inlets and Obstacles on the Energy Efficiency of the Hot Water Production Process in a Hot Water Storage Tank

open access: yesEnergies, 2021
Domestic hot water preparation is one of the main sources of energy consumption in households. One of the most important elements of domestic hot water (DHW) preparation installation is the storage tank. Its design can significantly affect the efficiency
Agnieszka Malec   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy