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Research project (§ 26 & § 27)
Duration : 2019-05-01 - 2020-04-30

The conceptual hydrological rainfall-runoff-modell COSERO is used for operational optimization purposes by the VERBUND AG. In the past, the model system has been calibrated and implement for a variety of projects and basins. Results indicated a large potential for further improvements of the modelling system. Some of them will be developed, tested and implemented within this project. Planned are 1. further development of the regionalization strategy; 2. COSERO extension to allow for Ensemble forecasts; and 3. extension of the modelling framework to allow for data assimilation of ZAMG product. This phase (phase 3) has the following objectives: - Multicriteria Evaluation - Test of the method for small catchments - Final Synthesis and Evaluation of the regionalzation method
Research project (§ 26 & § 27)
Duration : 2019-09-01 - 2020-08-31

Green areas, but especially green roofs and facades, are becoming increasingly important as they can significantly improve the climate in urban areas. For the sealing of green roofs, bitumen membranes are often used, which contain chemical root protectants (pesticides), which are to avoid the damage caused by ingrowing plant roots. Investigations from Switzerland and Germany have shown that these substances are released from the bitumen membranes under the natural weather conditions and washed out with the precipitate. Since the most commonly used pesticides for this purpose have a low elimination rate in sewage treatment plants, there is a particularly high risk potential for surface waters. In the case of decentralized rainwater infiltration there is a risk of soil and groundwater contamination. In addition, the leaching of such materials from bituminous membranes can lead to significant adverse effects on rainwater harvesting in the context of decentralized rainwater management concepts. Consequently, the development of "green" (pesticide-free) solutions is an important concern for the whole society. The company Slavonia, in cooperation with the BOKU, has taken on this task and is already working on the development of pesticide-free bituminous membranes. The aim of this collaboration is to further develop root-resistant seals in such a way that either no more biocides are necessary to use or remain in the product over long term, thus avoiding the burden on the environment.
Research project (§ 26 & § 27)
Duration : 2019-05-30 - 2023-05-29

The Reduction of Radiological Consequences of design basis and extension Accidents (R2CA) project targets the development of harmonized methodologies and innovative management approach and safety devices for the evaluation and for the reduction of the consequences of DBA and DEC-A accidents in operating and foreseen nuclear power plants in Europe. For both purposes development of methodologies will be conducted with the goal of reassessing the safety margins using less conservative approaches and considering the new risks that rose from the original design or design extension phases. This will reinforce the confidence on these safety margins for conditions up to the extended design domain, will allow the identification of new accident management measures and devices and will support the optimization of the potential associated emergency population protection measures. Improvement of evaluations tools will be supported by the reassessment of the existing experimental and analytical databases. The efficiency of the approach will be demonstrated by comparing at start and then at the end of the project the results of the evaluation of a series of reactor cases selected by a senior expert group among two main categories: loss of coolant accidents and steam generator tube rupture accidents. Detailed analyzes of these reactor cases simulations will suggest the development of harmonized evaluation methodologies. The project will include also innovative actions to estimate the pros and cons of potential new accident management measures and devices, to explore the potential switch of prognosis evaluation tools to the diagnosis of on-going fuel cladding failure and to explore the potentiality for these accidental situations of advanced technological fuels.

Supervised Theses and Dissertations