Results 31 to 40 of about 21,885 (170)

Evaluation and Optimization of heat Pump Combined District Heating System: A Case Study of China

open access: yesEnergies, 2022
The district heating area in China is continuously increasing, which brings an increase in district heating load. In order to solve the shortage of heating power and realize the carbon neutral target, this study proposes two retrofit schemes for district
Ling Cheng   +9 more
doaj   +1 more source

A Review of Existing Hybrid District Heating Substations and Their Application Potential

open access: yesEnergies
Decentralized renewable energy sources will become fundamental to future energy systems. The energy transition toward decentralized energy sources creates opportunities and challenges for district heating companies.
Michał Żurawski   +2 more
doaj   +1 more source

Research on the Influence of Insulation Layer Materials on the Corrosion Behavior of Q235 Steel in Heating Pipelines [PDF]

open access: yesCailiao Baohu
The surface insulation layers of heating pipelines have an important effect on water vapor penetration and corrosive ion diffusion,ultimately affecting the corrosion behavior of heating pipelines.In this study, the corrosion behavior of Q235 steel ...
CHEN Fei, HU Yabo, GONG Xiaoyu, WANG Li
doaj   +1 more source

Framework for the Automated Identification of Possible District Heating Separations to Utilise Present Heat Sources Based on Existing Network Topology

open access: yesEnergies, 2022
The ambitious climate targets of the European Union emphasise the necessity to reduce carbon dioxide emissions in the building sector. Therefore, various sustainable heat sources should be used in existing district heating systems to cover the heat ...
Jan Stock, André Xhonneux, Dirk Müller
doaj   +1 more source

General Problems of Moldovan District Heating Systems [PDF]

open access: yesProblems of the Regional Energetics, 2016
The paper presents a short description of the evolution of the district heating systems in the Republic of Moldova. It describes the current situation of the district heating systems, reflects economical and technical aspects and problems the thermal ...
Chernei M., Leu V.
doaj  

Integration of Low Grade Heat with District Heating

open access: yesChemical Engineering Transactions, 2011
Abstract preview not available - see full-text PDF article.
Kapil, Ankur   +3 more
openaire   +3 more sources

District heating network topology optimization and optimal co-planning using dynamic simulations

open access: yesAdvances in Applied Energy
District heating networks play a critical role in the transition of the heating supply of buildings to renewable sources. The transition from coal-fired or gas-fired generation units to heat pumps requires new planning methods for district heating ...
Jonathan Vieth   +2 more
doaj   +1 more source

Transition towards university campus carbon neutrality by connecting to city district heating network

open access: yesEnergy Reports, 2022
The campus of Tallinn University of Technology consists of 26 buildings with a total annual heat demand of approximately 20 GWh. A local natural gas-fired boiler provides annually approximately 13 GWh of heating to 12 buildings in the campus and 14 ...
Pauli Hiltunen   +4 more
doaj   +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

Integration of Heat Pumps in Buildings and District Heating Systems—Evaluation on a Building and Energy System Level

open access: yesEnergies, 2022
The use of heat pumps in buildings is one of the best and often the only option for the decarbonization of the building stock. District heating seems a promising solution in urban areas and in existing buildings when the use of heat pumps is restricted ...
Fabian Ochs   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy