Low Temperature Solar Thermal

In the research topic Low Temperature Solar Thermal, our work focuses on the following fields of work:

Development of innovative components

Simulation, monitoring and optimization of systems

Standardization, certification and characterization

Development of systems and relevant control algorithms

Coating of absorbers and reflectors

Function and Service Life Testing

Solar Thermal Façades

Manufacturing processes for solar thermal technology

We investigate low-temperature solar thermal systems and components with heat carriers such as water or air as well as heat pipe concepts. The systems support both the treatment of domestic hot water and space heating, whereby efficient integration into the entire heating system is particularly important. Intelligent control algorithms play just as an important role here as components whose hydraulic properties are optimized for relevant system integration. Furthermore, optics for guiding and concentrating radiation and the modification of optical material properties by surface technology are processed. Combined photovoltaic-thermal (PVT) collectors allow the simultaneous generation of electricity and heat on the same surface. We are working on solutions integrated into facade and roof that offer outstanding architectural possibilities for integrating solar thermal energy into the building envelope and using it multifunctionally. In addition, we deal with new manufacturing processes, materials and the final installation processes for solar thermal energy. New approaches to cost reduction, both methodically and in terms of design optimization, make solar thermal energy even more attractive from a business point of view.

We characterize components in accredited testing labs as a basis for certifications and establish the basis for standardization. Function and service life tests as well as monitoring campaigns in the field are also important components of our quality control.

We have profound expertise in materials science, component design, characterization and testing, theoretical modelling and simulation, plant control and system development. Extensive experience in a wide range of applications completes our profile.

As a complement to our research and development work in the research topic Solar Thermal Heating Systems, we offer related testing and certification services to clients.

Selected Research Projects

 

ANNsolar

Neural Networks for the Use in Solar Thermal Systems

 

HeizSolar

Model-Based Analysis of Measurement Data from Solar Active Buildings

 

SpeedColl 2

Service Life Estimation for Solar-Thermal Collectors and Their Components

 

ArKol

Development of Architecturally Well-Integrated Facade Collectors With Heat Pipes

Current Publications - Low Termperature Solar Thermal:

Jahr
Year
Titel/Autor:in
Title/Author
Publikationstyp
Publication Type
2022 Softwareunabhängig-verlustfreie Projektdatenumgebung und föderal-selbstbeschreibende parametrische Modellierung multifunktionaler Bauprodukte auf Basis des Semantic Web mit Fokus auf die Gebäudehülle. Schlussbericht
Maurer, C.; Rist, T.; Kuhn, T.E.; Shi, M.; Huyeng, T.-J.; Hoffmann, A.; Thiele, C.-D.; Rüppel, U.; Sprenger, W.
Bericht
Report
2022 Building Product Ontology: Core Ontology for Linked Building Product Data
Wagner, A.; Sprenger, W.; Maurer, C.; Kuhn, T.E.; Rüppel, U.
Zeitschriftenaufsatz
Journal Article
2021 Heizungstechnologien im Gebäude: Ein Beitrag zur Bewertung der Wirtschaftlichkeit und Klimawirksamkeit
Meyer, R.; Senkpiel, C.; Heilig, J.; Berneiser, J.; Fluri, V.; Gorbach, G.; Herkel, S.; Kost, C.
Studie
Study
2021 Optimierte Regelung von thermisch getriebenen Kühlsystemen - Simulation und Praxistest
Nienborg, B.; Singler, J.; Gührlich, D.; Dalibard, A.
Aufsatz in Buch
Book Article
2020 Solarthermiekosten senken
Kramer, W.; Keuper, A.
Zeitschriftenaufsatz
Journal Article
2020 Basic concepts of PVT collector technologies, applications and markets
Lämmle, M.; Herrando, M.; Ryan, G.
Bericht
Report
2020 Measurement Results of a District Heating System with Decentralized Incorporated Solar Thermal Energy for an Energy, Cost Effective and Electricity Grid Favorable Intermitting Operation
Oliva, A.; Kim, Y.; Lämmle, M.; Herkel, S.; Ripka, A.; Gebele, C.
Konferenzbeitrag
Conference Paper
2019 Effizientere solarthermische Heizungsanlagen durch Künstliche Intelligenz (KI)
Kramer, W.
Konferenzbeitrag
Conference Paper
2019 TEWISol - Technisch-wirtschaftliche Optimierung von solarthermischen Kombianlagen. Gesamtvorhabe. Abschlussbericht
Oliva, A.; Schneeweis, J.; Kramer, W.; Tönnes, C.; Dölle, C.; Schuh, G.
Bericht
Report
2019 Performance modeling of PVT collectors: Implementation, validation and parameter identification approach using TRNSYS
Jonas, D.; Lämmle, M.; Theis, D.; Schneider, S.; Frey, G.
Zeitschriftenaufsatz
Journal Article
2019 Messtechnische Analysen aus der Inbetriebnahme der dezentral eingebunden Solarthermieanlagen im Demonstrationsvorhaben Freiburg-Gutleutmatten
Oliva, A.
Konferenzbeitrag
Conference Paper
2019 EnWiSol. Solarthermie in der städtischen Energieversorgung - Energiewirtschaftliche Analyse und Demonstrationsvorhaben "Freiburg-Gutleutmatten". Gesamtvorhaben
Oliva, A.; Herkel, S.; Elci, M.; Helmling, S.; Wappler, J.; Ripka, A.
Bericht
Report
2019 Künstliche Intelligenz regelt Heizungsanlagen effizienter
Kramer, W.
Zeitschriftenaufsatz
Journal Article
2019 Heizen mit künstlicher Intelligenz
Kramer, W.
Zeitschriftenaufsatz
Journal Article
2018 International definitions of "BIPV"
Berger, K.; Cueli, A.B.; Boddaert, S.; Buono, M. del; Delisle, V.; Fedorova, A.; Frontini, F.; Hendrick, P.; Inoue, S.; Ishii, H.; Kapsis, C.; Kim, J.-T.; Kovacs, P.; Chivelet, N.M.; Maturi, L.; Machado, M.; Schneider, A.; Wilson, H.R.
Bericht
Report
2016 Untersuchung und simulationstechnische Optimierung von Wärmeversorgungskonzepten für Wohngebäude, deren Gesamtwärmebedarf zu 50 % bis 100 % mit Solarwärme gedeckt wird und Vergleich mit anderen CO2-reduzierten Wärmeversorgungskonzepten. Schlussbericht zum Verbundvorhaben
Oliva, A.; Stryi-Hipp, G.; Kobelt, S.; Bestenlehner, D.; Drück, H.; Müller, M.; Bühl, J.; Dasch, G.; Kerschl, C.
Bericht
Report
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