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Wyświetlanie 1-3 z 3
Tytuł:
Determinants of sustainable development of district heating systems
Autorzy:
Wrzalik, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/34670879.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
district heating
fuel mix
renewable energy sources
decarbonisation
ciepłownictwo
mix paliwowy
odnawialne źródła energii
dekarbonizacja
Opis:
The heating sector, which accounts for half of the EU's final Energy consumption, still relies heavily on fossil fuels. This results in the emission of greenhouse gases and other pollutants into the atmosphere. For this reason, the European Union has, for several years, been pursuing a climate and energy policy which, in the area of district heating, is intended to make it more efficient and sustainable. This means introducing low-carbon technologies and reducing fossil fuel consumption in favour of renewable energy sources. Modern efficient district heating systems should guarantee a reliable heat supply while reducing environmental impact. The article discusses the main factors important for the sustainable development of district heating. The potential and importance of the heating sector in the European Union member states was presented. Then, the factors affecting the development of this sector are shown and the directions of transformation of district heating systems with the use of renewable Energy sources are discussed. It also presents the current structure of fuels consumed by the district heating sector in Europe and its projected development with the use of high-efficiency cogeneration and various renewable energy sources.
Źródło:
Quality Production Improvement - QPI; 2021, 3, 1; 226-233
2657-8603
Pojawia się w:
Quality Production Improvement - QPI
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Smart district heating networks in the era of energy transformation
Autorzy:
Wrzalik, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/23944754.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
district heating
smart heating network
renewable energy sources
intelligent control
ciepłownictwo miejskie
inteligentna sieć ciepłownicza
odnawialne źródła energii
inteligentne sterowanie
Opis:
District heating, which accounts for half of the EU's energy consumption, still relies heavily on fossil fuels. This causes emissions of dust and greenhouse gases and into the atmosphere and leads to negative climate changes. For this reason, European Union countries have been implementing a climate and energy policy for many years, which in the area of heating is aimed at making it more efficient and sustainable. This requires the introduction of low-carbon technologies and the reduction of fossil fuel consumption by increasing the share of renewable energy sources. Modern, efficient and smart heating systems should guarantee reliable heat supply while reducing the environmental impact. The article discusses the direction of change and development of district heating systems through the introduction of innovative technologies. The new generations of 4GDH and 5 GDH district heating systems are described and the benefits of their use are indicated. The concept of smart district heating networks, their structure and the advantages of their implementation are discussed. The possibilities of creating smart energy systems using renewable energy sources and heat storage technologies were also indicated. The activities of Polish district heating companies in the introduction of smart heat networks are presented, based on research conducted.
Źródło:
System Safety : Human - Technical Facility - Environment; 2022, 4, 1; 58-66
2657-5450
Pojawia się w:
System Safety : Human - Technical Facility - Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selected technical aspects of managing efficient heat supply in a district heating system
Autorzy:
Wrzalik, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/29521087.pdf
Data publikacji:
2023
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
district heating
heat transmission
district heating main
flow velocity
heat losses
pressure losses
efficiency
Opis:
District heating networks are key components of efficient heat supply systems for municipal and industrial consumers. The purpose of the research presented in this article was to analyze the thermo-hydraulic parameters of the operation of a transmission main in a district heating network to improve the heat transfer efficiency. Based on a literature review of existing studies, the basic issues of the heat supply process were discussed, and selected methods and tools for simulating district heating networks were characterized. A detailed mathematical description of the phenomena occurring during heat transport in a district heating network pipeline was also presented. Then, analytical calculations and simulations were carried out for the selected district heating system using Termis software. Operational parameters collected in the actual district heating system were used as output data for analytical modeling. Pressure drops, power losses, and heat transfer efficiencies in the main buses at different outdoor temperatures during the heating season were determined. Selected results of the study were included, and possibilities for improving the efficiency of heat transfer in the studied district heating network were indicated.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2023, 76 (148); 32-41
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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