Results 11 to 20 of about 18,839,515 (243)

Energy and Exergy Analysis of District Heating Systems [Elektronisk resurs]

open access: yes, 2012
The concept of exergy is defined and applied to district heating systems. The influence from different reference state conditions and system boundaries are explained in some detail.
Gong, Mei,, Werner, Sven,, Wall, Göran,
core   +9 more sources

District heating in the UK:A Technological Innovation Systems analysis [PDF]

open access: yes, 2012
District heating infrastructure could contribute to the UK's energy policy goals of decarbonisation, renewable energy deployment, tackling fuel poverty and ensuring energy security.
Hawkey, David
core   +1 more source

Determining the possibility of placing turbine systems for hydraulic regulation and production of electrical energy in the District Heating Network in Krakow [PDF]

open access: yesE3S Web of Conferences, 2021
This article presents the methods of specifying the potentiality of energy recovery in the turbine installations projected to hydraulic regulation of the heating medium in the Krakow District Heating System.
Natkaniec Piotr, Dzierwa Piotr
doaj   +1 more source

The impact of heating systems scenarios on air pollution at selected residential zone: a case study using AERMOD dispersion model

open access: yesEnvironmental Sciences Europe, 2023
The present case study considers fuel base substitution in operation of actual district heating system and in other scenario replacing of district heating system by individual heating system in each apartment building and non-residential building in ...
Jozef Salva   +5 more
doaj   +1 more source

Comparison of 4th and 5th generation district heating systems [PDF]

open access: yesE3S Web of Conferences, 2021
In a pursuit to increase the efficiency of district heating system there has been a continuous focus to reduce the system operating temperatures. This has led to the current state of the art district heating systems, commonly referred to as the 4th ...
Gudmundsson Oddgeir   +2 more
doaj   +1 more source

Numerical Analysis of a medium scale latent energy storage unit for district heating systems [PDF]

open access: yes, 2011
The present paper describes the application of computational fluid-dynamics (CFD) to the design and characterization of a medium scale energy storage unit for district heating systems.
Colella, Francesco   +3 more
core   +1 more source

Reduction of the return temperature in district heating systems with an ammonia-water absorption heat pump

open access: yesCase Studies in Thermal Engineering, 2018
In this study, a new setup for the reduction of the return temperature in district heating systems will be presented. For this purpose, an ammonia-water absorption heat pump will be integrated within a district heating substation and theoretically ...
N. Mirl, F. Schmid, K. Spindler
doaj   +1 more source

Hybrid solar-biomass system for district heating [PDF]

open access: yesE3S Web of Conferences, 2019
The energy used in the built-up environment represents at least 40% of the total energy consumed, out of which, at least 60% is required for heating, cooling and domestic hot water (DHW). Within the European Union, more than 6,000 communities (i.e.
Ilie Adrian, Vişa Ion
doaj   +1 more source

Performance Analysis of a Hybrid District Heating System: a Case Study of a Small Town in Croatia

open access: yesJournal of Sustainable Development of Energy, Water and Environment Systems, 2015
Hybridisation of district heating systems can contribute to more efficient heat generation through cogeneration power plants or through the share increase of renewable energy sources in total energy consumption while reducing negative aspects of ...
Robert Mikulandric   +5 more
doaj   +1 more source

Challenges for the Transition to Low-Temperature Heat in the UK: A Review

open access: yesEnergies, 2021
To reach net-zero emissions by 2050, buildings in the UK need to replace natural gas boilers with heat pumps and district heating. These technologies are efficient at reduced flow/return temperatures, typically 55/25 °C, while traditional heating systems
Antoine Reguis   +2 more
doaj   +1 more source

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