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22 - 23 October 2019 // Nuremberg

The Congress Programme

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Congress

Heat Sources and heat exchangers for heat pumps - Creating Concepts with WPSOURCE Vortragssprache Englisch

The implementation of heat pumps as the energy supplier of buildings is an increasingly used technique. This manifests in the presence of heat pumps on the market and the variety of products. With the increase of commercially available and installed heat pump systems, the number of potential low temperature heat sources rises as well. Ice storages, air fences or high performance energy piles are used and sold without having scientific knowledge about performance and the cost-benefit ratio of these systems. In order to obtain an energy-efficient and economic operation of the heat pumps, it is necessary to have an optimal design of the heat pump including the choice of the heat source and the connection to the building itself. The central question is which of the available heat sources and heat exchangers are most suitable for the prevalent conditions. In this context, a pre-check-tool for preselection of heat sources and suitable heat transfer systems is developed during the research project "future:heatpump", funded by German Federal Ministry for Economic Affairs and Energy. The software WPSOURCE will enable e.g. architects and planners to compose a preselection of suitable heat sources and corresponding heat exchangers for individual projects. The holistic comparative analysis of different heat sources and heat transfer systems relates to the SPF of the heat pumps, the extraction and injection capabilities of the heat exchangers and the general performance of the systems. In addition, an evaluation of economic and environmental aspects is made. The aim is to determine the plausibility of the application and the specifications of the different source systems. To validate the tool’s input and outputs, measurements are performed on several systems and heat sources. The focus of the presentation is on the demonstration of the pre-check-tool. Furthermore, first results of the additional research on the integration and implementation of heat pumps are shown. It covers topics and priorities that are useful for the expansion and extended use of heat pumps. Topics are e. g. further heat exchangers, bivalent operation mode and cooling of the buildings as well as the coupling with PV systems and solar thermal energy.

--- Date: 23.10.2019 Time: 14:45 - 15:10 Location: Hall Brüssel, NCC Mitte

Main speaker

 Franziska Bockelmann

Franziska Bockelmann

scientific staff / Steinbeis-Innovationszentrum energie+

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