نتایج جستجو برای: district heating
تعداد نتایج: 131017 فیلتر نتایج به سال:
District heating systems in Ukraine's cities are deep crisis and need decisive action to overcome it. The began long ago, the 1990s, is gradually deepening. Several attempts stop this process level playing field at state have failed. At same time, of intensive development such has begun countries Northern Europe. Moreover, both theoretical practical implementation developments. According analys...
Abstract Fourth-generation district heating (4GDH) has been used as a label or expression since 2008 to describe transition path for decarbonization of the sector and was defined in more detail 2014. During recent years, several papers have published on concept called fifth generation cooling (5GDHC). This article identifies differences similarities between 4GDH 5GDHC regarding aims abilities. ...
Introduction: The Moravian-Silesian Region (MSR) is heavily polluted, especially due to heavy industry and local heating, and concentrations of benzo[a]pyrene (B[a]P) are among the highest in the European Union. Methods: To verify the impact of air pollution on the health of the population in the MSR, the morbidity of children was analysed in three studies which are reviewed: 1) morbidity in ch...
In recent years, the increased interest in energy conservation and environmental protection, combined with the development of modern communication and computer technology, has resulted in the replacement of distributed heating by central heating in urban areas. This paper proposes a Representational State Transfer (REST) Machine-to-Machine (M2M) gateway for wireless remote monitoring for a dist...
Insulation performance and buried depth of heating pipelines are the vital factors affecting energy loss directly pipelines. This study considers thermo-economic assessment insulation for district heating. The optimal thickness, energy-saving effect, payback period with five nominal pipe diameters, four fuel types, kinds materials, depths calculated. A numerical code is developed based on Life ...
Seasons cause large variations in heating demand for buildings, and the heat is produced district (DH) with several production plants. The network itself can be assimilated to a thermal energy storage unit used effectively peak reduction purposes. balances operation of system, which allows smoother running entire process. Short- long-term enables transition current systems towards next generati...
District heating systems (DHSs) play an important role for urban areas as they enable efficient and cost-effective heat supply. Existing DHSs are primarily based on fossil fuel energy therefore need to be transformed in the coming years meet climate goals of Paris Agreement. Lowering system temperatures is relevant convert fossil-based generation renewable sources. However, there a lack systemi...
Geothermal energy is a renewable energy source which can provide base-load power supply both for electricity and direct uses, such as space heating. In this paper, district heating systems that are fed by geothermal energy, the so-called geothermal district heating systems, are studied. It is proposed to apply a hot water storage tank in these systems to store hot water in times of low-load and...
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