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Stirling engines: Equipped for different heat sources!

Stirling engines: Equipped for different heat sources!

The performance of a Stirling engine is significantly influenced by the interface to the heat source. This component is called the heater heat exchanger. The challenge is to allow a high level of thermal energy to flow into a small volume. The heat energy is...
Hybrid drive for heat pumps: secured power supply and more

Hybrid drive for heat pumps: secured power supply and more

The heat pump is a remarkable machine: it is able to convert the energy input up to 6 times into heating energy. However, there is a small downside to the otherwise very sophisticated and quiet mode of operation: on the coldest days, its efficiency (COP = coefficient...