Results 21 to 30 of about 320,137 (307)

Analysis of the Asset Structure of Hungarian District Heat Suppliers, with Special Regard to the Fixed Assets, Based on the Companies’ 2009-2017 Accounts

open access: yesTheory, Methodology, Practice, 2019
Nowadays in Hungary, district heating has 677,000 fee payers in 93 settlements, for the provision of which 89 companies are responsible. There are, however, differences in the ownership background, in the technical structure, in the activities carried ...
Gábor Béla Süveges
doaj   +2 more sources

Search the optimal ratio of system’s component reliability parameters and the heat capacity of prosumers in the district heating system [PDF]

open access: yesE3S Web of Conferences, 2020
The paper presents a methodology for ensuring the reliability of heat supply to prosumer connected to a district heating system, by using the heat capacity of its own heat source and optimization of failure rates of system components.
Stennikov Valery, Postnikov Ivan
doaj   +1 more source

Upscaling a district heating system based on biogas cogeneration and heat pumps [PDF]

open access: yes, 2015
The energy supply of the Meppel district Nieuwveense landen is based on biogas cogeneration, district heating, and ground source heat pumps. A centrally located combined heat and power engine (CHP) converts biogas from the municipal wastewater treatment ...
Fink, Jiří   +3 more
core   +3 more sources

Analysis of the Impact of Decreasing District Heating Supply Temperature on Combined Heat and Power Plant Operation

open access: yesEnvironmental and Climate Technologies, 2014
District heating systems are widely used to supply heat to different groups of heat consumers. The district heating system offers great opportunities for combined heat and power production.
Bolonina Alona   +2 more
doaj   +1 more source

Performance Analysis of a District Heating System

open access: yesEnergies, 2013
Lowering the exergy content of heat required for heating purposes decreases the primary energy consumption. District heating systems are often an important link between facilities that generate heat with low exergy content and consumers.
Tatiana Morosuk   +3 more
doaj   +1 more source

Optimal Design and Dispatch of Electrically Driven Heat Pumps and Chillers for a New Development Area

open access: yesEnvironmental and Climate Technologies, 2020
Large-scale heat pumps (HPs) and refrigeration plants are essential technologies to decarbonise the heating and cooling sector. District heating and cooling (DHC) can be supplied with low carbon footprint, if power generated from renewable energy sources
Pieper Henrik   +4 more
doaj   +1 more source

Primary energy savings using heat storage for biomass heating systems [PDF]

open access: yes, 2012
District heating is an efficient way to provide heat to residential, tertiary and industrial users. The heat storage unit is an insulated water tank that absorbs surplus heat from the boiler.
Mitrović Dejan M.   +2 more
core   +1 more source

Improving the efficiency of heating boiler plants by using the variable-frequency drive with different methods of heat supply regulation

open access: yesMATEC Web of Conferences, 2018
The aim of the work is to improve the energy efficiency of heating boiler plants by reducing the spe-cific electric energy consumption for heat supply by using the variable-frequency drive (VFD) with different methods of heat supply regulation. Hydraulic
Pyatin Andrey   +2 more
doaj   +1 more source

OPTIMIZATION OF NARVA DISTRICT HEATING NETWORK AND ANALYSIS OF COMPETITIVENESS OF OIL SHALE CHP BUILDING IN NARVA; pp. 269–282 [PDF]

open access: yesOil Shale, 2009
AS Narva Elektrijaamad owns two the world’s largest oil shale-fired power plants – Balti Elektrijaam (Balti Power Plant) and Eesti Elektrijaam (Eesti Power Plant). The new fluidized-bed energy block No.
A. Hlebnikov   +2 more
doaj   +1 more source

District Heating System Using Heat Pump Installations and CHP [PDF]

open access: yesProblems of the Regional Energetics, 2015
The article describes the district heating system, in which part of the heat of return water thermal power is used to supply heat to the district heating puThe article describes the district heating system, in which part of the heat of return water ...
Sit M.L., Burciu V.I.
doaj  

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