Franz Hengel
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View article: Energy performance of photovoltaic-assisted two-stage heat pump systems in existing multi-family buildings: Three case studies from Europe
Energy performance of photovoltaic-assisted two-stage heat pump systems in existing multi-family buildings: Three case studies from Europe Open
Photovoltaic-assisted two-stage heat pump systems—integrating both centralized and decentralized heat pumps—represent a promising solution for decarbonizing existing multi-family buildings. This study aims to conduct the first empirical in…
View article: ATESref - Aquifer Thermal Energy Storage and Reinjection using the example of Fürstenfeld, Austria
ATESref - Aquifer Thermal Energy Storage and Reinjection using the example of Fürstenfeld, Austria Open
Seasonal Underground Thermal Energy Storage (UTES) offers a promising solution to balance future energy supply and demand. Specifically, Aquifer Thermal Energy Storage (ATES) systems facilitate the seasonal storage of energy, providing up …
View article: LargeTESModelingToolkit: A Modelica Library for Large-scale Thermal Energy Storage Modeling and Simulation
LargeTESModelingToolkit: A Modelica Library for Large-scale Thermal Energy Storage Modeling and Simulation Open
This paper introduces the LargeTESModelingToolkit, a novel Modelica library for modeling and simulation of large-scale pit and tank thermal energy storage. This first comprehensive Modelica library in the field provides the flexibility and…
View article: T-shaped model design for further education in BIM
T-shaped model design for further education in BIM Open
The implementation rate of Building Information Modeling (BIM) in the construction industry remains low, especially in Small and Medium Enterprises (SMEs). Hence, many institutions offer BIM courses for further education focusing on civil …
View article: System efficiency of PVT-collector driven heat pumps
System efficiency of PVT-collector driven heat pumps Open
Standard heat pump (HP) systems with horizontal ground heat exchangers (HGHE) are commonly designed based on arbitrary knowledge gained over time and the use of the rule of thumb. Where an undersizing of the HGHE occurs, the HP efficiencie…