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All projects


ParaSol – Hydraulic Design of collector modules in Large Solar Thermal Plants

In the project "ParaSol", a mathematical-physical calculation tool for hydraulic calculations for large solar thermal systems has been developed, followed by extensive experimental validation. For the first time, pressure drop measurements of T pieces were carried out under boundary conditions that are relevant for solar thermal energy. A set of "characteristic key figures" enables quick economic and technical evaluation of different hydraulic concepts for solar collector arrays. Based on the project results, ParaSol is a significant contribution to understanding hydraulic, thermal and economic questions in large solar thermal systems.


IEA EBC Annex 70 - Building Energy Epidemiology - Analysis of real building energy use at scale

In the IEA EBC Annex 70 project reasons for differences between calculated and measured energy consumption of buildings will be analysed. Requirements regarding the data quality, characteristics and security will be elaborated. Recommendations regarding the utilisation of international standards and methods of data collection, processing and evaluation will be developed. The results will address policy makers, technology developer, building owners and energy service companies.


E.Vent - Efficient, affordable and maintenance-friendly centralized mechanical ventilation systems for multifamily buildings – planning, operation and fire protection

Based on practical experience from realized mechanical ventilation systems as well as results from previous projects new tasks for improvement have been identified in the fields of planning, balance-tuning of the air volume and fire protection. The project aims at offering innovative technical solutions and planning tools for the installation of new, but also low-maintenance operation of existing systems.


TrustEE – innovative market based Trust for Energy Efficiency investments in industry

TrustEE is a three-year project (2016-2019) financed by the European Commission Horizon 2020 Programme to accelerate implementation of energy efficiency (EE) and renewable energy (RE) solutions. This project aligns with and supports the EU energy efficiency, renewable energy and climate goals for 2020 focussing on producing industry facing a lack of funding and financing possibilities for EE and RE projects.


IEA SHC Task 56 - Building Integrated Solar Envelope Systems for HVAC and Lighting

This task focuses on the critical analysis, simulation, laboratory test and on-site monitoring entailing elements that use and/or control incident solar energy. The main purpose is the integration of façade solutions in the building energy system (ventilation, heating, cooling, air-conditioning und lighting) by using a methodical approach.


Smart UP - Development of an urban district in the city of Graz towards a Reuse & Up-cycling centre

Target of the project is the development of an energy and resource efficient innovation district. In cooperation with the surrounding industrial and trade firms in and around the area of the existing factory building of BAN Sozialökonomische BetriebsgmbH (BAN) a Reuse & Up-cycling District will be developed.


Urban district heating extended – Development of flexible and decarbonized urban district heating systems

Development of innovative urban district heating systems by integration of long-term thermal storage, large scale heat pumps, large scale solar thermal installations, waste heat recovery and analysis and evaluation by simulation. The results of this project will provide templates for technology selection, system design and merit order for new urban district heating areas.


REsys - Smart control strategies to improve the energy efficiency of complex hybrid energy systems

A realised hybrid energy system is modeled by the combination of both thermal and electrical simulations and the model is validated with measured data. Optimized control algorithms are to be developed and tested on the real system.


AR-HES-B - Energy storage, production and recovery of valuable substances in waste water treatment plants

The urban sewage treatment nowadays is a classical end-of-the pipe system. The conventional municipal biological-aerobic wastewater treatment is an energy intensive process. Vast amounts of potential energy (bound in carbon) and valuable nutrients (e.g. nitrogen) are destroyed in the energy intensive aerobic aeration. The wastewater treatment plants (WWTP) are the major energy consumer in Austria communes. Prospective, the consumed energy in urban agglomerations will still be produced only to a little extend within the city boundaries. Besides the fluctuating energy quotation due to volatile, renewable energy resources (e.g. infrequently resp. periodically available wind power and above all solar power/ photovoltaic) the decentralised, fluctuating part in the public power grid rises.


IEA EBC Annex 67 „Energy Flexible Buildings“

The adaptation of the energy consumption of buildings and building clusters to the energy generation from renewable energy sources is vital for the future energy system. The main target of the Annex 67 is to investigate and characterize this future role of the “energy-flexibility” of buildings, to capture potentials and to offer control strategies.

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