Results 21 to 30 of about 20,269,821 (343)

Low-temperature waste heat enabling abandoning coal in Espoo district heating system

open access: yes, 2021
Espoo has set a goal to abandon the use of coal in its district heating system by the year 2025. The local district heating operator is producing a major share of Espoo's heat demand with combined heat and power units, but a large share of that thermal ...
Pauli Hiltunen, S. Syri
semanticscholar   +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

District Heating and Cooling Systems

open access: yes, 2021
Decarbonisation of the energy sector is a crucial ambition towards meeting net-zero targets and achieving climate change mitigation. Heating and cooling accounts for over a third of UK greenhouse emissions and, thus, decarbonisation of this sector has attracted significant attention from a range of stakeholders, including energy system operators ...
Iván De la Cruz, Carlos E. Ugalde-Loo
openaire   +2 more sources

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

Optimising the Operation of a District Heating System

open access: yesChemical Engineering Transactions, 2013
A system with several actors will increase the possibilities for collaboration and therefore, in many cases also increase the possibilities to affect the operation with economic and environmental benefits. In this paper a district heating system is studied with purpose to create economic and environmental operation guidelines in favour of the involved ...
Olofsson D.   +3 more
openaire   +2 more sources

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