[HTML][HTML] Low-temperature operation of heating systems to enable 4th generation district heating: A review
DS Østergaard, KM Smith, M Tunzi, S Svendsen - Energy, 2022 - Elsevier
District heating networks increasingly rely on heat pumps, condensing biomass boilers, and
excess heat in the transition to sustainable energy systems. Accordingly, district heating …
excess heat in the transition to sustainable energy systems. Accordingly, district heating …
[HTML][HTML] Reduction of supply temperature in existing district heating: A review of strategies and implementations
Most of the existing district heating systems are second and third generation and operate
with supply temperature above 80–100° C. To meet long-term decarbonization targets …
with supply temperature above 80–100° C. To meet long-term decarbonization targets …
Advanced control and fault detection strategies for district heating and cooling systems—A review
Peak shaving, demand response, fast fault detection, emissions and costs reduction are
some of the main objectives to meet in advanced district heating and cooling (DHC) …
some of the main objectives to meet in advanced district heating and cooling (DHC) …
A review of crystallization fouling in heat exchangers
A vast majority of heat exchangers suffer from unwanted deposition of material on the
surface, which severely inhibits their performance and thus marks one of the biggest …
surface, which severely inhibits their performance and thus marks one of the biggest …
[HTML][HTML] Fouling fault detection and diagnosis in district heating substations: Validation of a hybrid CNN-based PCA model with uncertainty quantification on virtual …
MA Jallal, M Vallée, N Lamaison - Energy, 2024 - Elsevier
This research presents an advanced fouling fault detection (FFD) model tailored to district
heating substations, integrating convolutional neural networks, principal component …
heating substations, integrating convolutional neural networks, principal component …
[HTML][HTML] Fault and anomaly detection in district heating substations: A survey on methodology and data sets
M Neumayer, D Stecher, S Grimm, A Maier, D Bücker… - Energy, 2023 - Elsevier
District heating systems are essential building blocks for affordable, low-carbon heat supply.
Early detection and elimination of faults is crucial for the efficiency of these systems and …
Early detection and elimination of faults is crucial for the efficiency of these systems and …
[HTML][HTML] Potential for supply temperature reduction of existing district heating substations
Reducing operating temperatures is a crucial goal for transforming district heating networks
into sustainable systems as it allows the integration of low exergy heat (eg renewable, waste …
into sustainable systems as it allows the integration of low exergy heat (eg renewable, waste …
System-level fouling detection of district heating substations using virtual-sensor-assisted building automation system
The operational fouling of heat exchangers in a district heating substation (DHS) has a
negative effect on the heating efficiency in the primary district heating side and on the …
negative effect on the heating efficiency in the primary district heating side and on the …
[HTML][HTML] Infrared thermography observations of crystallization fouling in a plate heat exchanger
Heat exchanger performance is significantly reduced in the presence of impurities in one or
both fluid streams, frequently by deposits of inversely soluble salts. Accordingly, immense …
both fluid streams, frequently by deposits of inversely soluble salts. Accordingly, immense …
Detection and identification of faults in a District Heating Network
H Bahlawan, N Ferraro, A Gambarotta, E Losi… - Energy Conversion and …, 2022 - Elsevier
Abstract District Heating Networks (DHNs) are composed of numerous pipes that can be
threatened by faults that affect DHN operation and management. Thus, reliable diagnostic …
threatened by faults that affect DHN operation and management. Thus, reliable diagnostic …