A5065865716- Building Energy and Comfort Optimization
- Physics and Engineering Research Articles
- Solar Thermal and Photovoltaic Systems
- Phase Change Materials Research
- Integrated Energy Systems Optimization
- Adsorption and Cooling Systems
- Wind and Air Flow Studies
- Renewable Energy and Sustainability
- Smart Grid Energy Management
- Research Data Management Practices
- Image Processing and 3D Reconstruction
- Environmental Science and Technology
- Structural Analysis of Composite Materials
- Mathematics, Computing, and Information Processing
- Spacecraft and Cryogenic Technologies
- Solar Radiation and Photovoltaics
- Architecture and Computational Design
- Geothermal Energy Systems and Applications
- Scientific Computing and Data Management
- Photovoltaic Systems and Sustainability
- Solar Energy Systems and Technologies
- Greenhouse Technology and Climate Control
- Hygrothermal properties of building materials
- Sustainable Industrial Ecology
- Electron and X-Ray Spectroscopy Techniques
Graz University of Technology
2014-2024
Institute of Thermal Physics
2010-2019
Montanuniversität Leoben
2005
An overview on the recent results engineering and characterization of sorption materials, PCMs TCMs investigated in working group WG A1 "Engineering processing TES materials" IEA SHC Task 42 / ECES Annex 29 (Task 4229) entitled "Compact Thermal Energy Storage" is presented.
The building sector contributes significantly to global energy consumption and emission of greenhouse gases. Thermal insulation along with installation energy-efficient systems can reduce needs while preserving or improving occupant comfort levels. Still sensible control decisions, harmoniously effectively operate all thermal systems, be used further improve performance and/or comfort. In this article, a simulation-assisted methodology is presented automatically generate such decisions....
The computational cost for the repeated evaluation of zonal-type building simulation models can be prohibitive especially in contexts, such as Building Optimization and Control Design, where — different initial boundary conditions is required. In present paper, two techniques to reduce time are investigated: (i) geometry simplification periodic geometries; and, (ii) use co-simulation split a into simpler sub-buildings, that evaluated parallel, exploiting resources multi-core architectures....
Constructing dynamic building models of entire urban districts or cities is a time consuming effort. An automation process required to shorten the considerable needed for manual input and parameterize simulation tools. This paper presents generation tool fully automated thermal city modelling that generates with detailed heating systems. The an interface between PostgreSQL database energy environment IDA ICE. Tests show up 300 generated buildings simple geometry 70 each system can be...
Im April 2021 trafen sich die Projektmitarbeiter*innen von „FAIR Data Austria“ zu einem gemeinsamen Workshop, um Kompetenzen der Stewards identifizieren und sie den drei Steward Modellen zuzuordnen. Diese Modelle wurden in vorangegangenen Workshop im Oktober 2020, Hinblick auf österreichischen Kontext, erarbeitet bereits Aufgaben Profile definiert. Vorfeld erhobene Workshopteilnehmer*innen neue erweitert und/oder Aspekte hinzugefügt bzw. konkretisiert. In Gruppenarbeiten einzelnen mit für...
This article gives an overview of the FAIR Data Austria project objectives and current results. In collaboration with our partners, we work on development establishment tools for managing lifecycle research data, including machine-actionable Management Plans (maDMPs), repositories long-term archiving results, RDM training support services, models, profiles Stewards Office Austria.
The research project (MPC-Boxes) deals with the design and construction of two test buildings (Test-Boxes), built for purpose performance evaluation a model predictive controller (MPC) in comparison to standard - heating cooling via thermally activated building systems (TABS). paper introduces experimental environment, investigates thermo-physical similarity Test-Boxes, system identification related aspects. A simple third order state space (SSM) is derived from first principles. This SSM...
The effects of global warming are severely recognizable and, according to the OECD, 47% world’s population will soon live in regions with insufficient drinking water. Already, many countries depend on desalination for fresh water supply, but such facilities often powered by fossil fuels. This paper presents an energy self-sufficient system that runs entirely solar power. Sunlight is harvested using parabolic trough collectors effective aperture area 1.5 m × 0.98 and a theoretical...
Abstract Für die Berechnung des Energiebedarfs für Heizung und Kühlung können drei Verfahren gleichberechtigt eingesetzt werden: das ausführliche dynamische Simulationsverfahren, vereinfachte Stundenverfahren quasi‐stationäre Monatsverfahren. Diese verschiedenen unterscheiden sich maßgeblich in ihrem Detaillierungsgrad liefern daher Ergebnisse unterschiedlicher Qualität. Zum Vergleich dieser werden der Validierungsnorm EN 15265 Differenzen Jahreswerte Beurteilung verwendet, Abweichungen...
With the increasing complexity of urban energy systems, requirements for modelling and simulation methods have increased.Co-simulation is a promising approach carrying out system simulations, in which respective sub systems are modelled using tailored tools.This paper presents workflow dynamic large-scale district introducing three main improvements compared to state art: i) The data preparation was carried Vectorworks QGIS; ii) A novel pipe-laying algorithm with grid dimensioning...
Mit den Erkenntnissen aus zwei vorangegangenen Workshops, welche sich mit Modellen für und Kompetenzen von Data Stewards beschäftigt hatten, trafen die „FAIR Austria“-Projektmitarbeiter*innen im Juli 2021 zu einem weiteren Workshop, um Ausbildungsangebote an österreichischen Universitäten diskutieren. Zu diesem Zweck wurden vier Ausbildungsprogramme jeweils einer teilnehmenden Person vorgestellt Anschluss in einzelnen Gruppen nach ihren Stärken Schwächen, sowohl Hinblick auf Eignung der...
Solar thermal systems in residential buildings are generally controlled by two-level controllers, which activate solar or at times with low radiation auxiliary energy supply into a storage. Simple controllers do not have any information on actual expected radiation. This leads to interference of auxiliary- and heat supply, reduces the share fed Increasing accuracy weather forecast data suggests incorporation this control algorithm. work analyzes maximum potential performance enhancement when...