Dr. Paul Gantenbein

There is a lack of knowledge on the lifetime assessment of modern solar selective absorbers. In the project ColourAge, the performance and durability of different aluminium based coatings are studied. The combined effect of high humidity, condensation and temperature on the degradation of optical and chemical properties is assessed. Advanced… ...

In this project, an air conditioning system is being developed for tropical, humid climate regions that can both cool and dehumidify rooms. A compressor refrigeration machine is used, which is fed directly from a solar system.

Sorption heat pumps can provide cooling based on renewable district heat or waste heat, thus expanding the scope of district heating networks (DHN) and making better use of existing renewable heat sources. On the other hand, sorption heat pumps in district heat transfer stations can also provide heat while significantly reducing the return flow of… ...

A 1 kW closed sorption thermal energy storage system (TES) prototype is set-up and tested at HSR-SPF. This can be charged in summer with heat from solar thermal collectors or with electricity from photovoltaic modules. The system can achieve a significantly higher volumetric energy density compared to sensible hot water storage. The closed sorption… ...