Preprint Review Version 1 This version is not peer-reviewed

The Effectiveness of a Three-Temperature Heat Pump System

Version 1 : Received: 19 October 2018 / Approved: 22 October 2018 / Online: 22 October 2018 (14:03:54 CEST)

How to cite: Stejskal, T.; Svetlík, J.; Demeč, P.; Dovica, M.; Štofa, M.; Kováč, J. The Effectiveness of a Three-Temperature Heat Pump System. Preprints 2018, 2018100501 (doi: 10.20944/preprints201810.0501.v1). Stejskal, T.; Svetlík, J.; Demeč, P.; Dovica, M.; Štofa, M.; Kováč, J. The Effectiveness of a Three-Temperature Heat Pump System. Preprints 2018, 2018100501 (doi: 10.20944/preprints201810.0501.v1).

Abstract

Three-temperature heating systems consist of a heat engine and a heat pump, enabling thus maximum usage of the primary thermal source for the heating of buildings. This analysis has revealed obvious advantages and disadvantages that the combining of thermodynamic systems has in future development, also with respect to environmental and economic issues. It appears that the combination of a Stirling engine or a similar heat drive with a heat pump is especially suitable. In order to analyze the effectiveness of such a system, a comprehensive calculation procedure is used: its basis lies in accounting for all types of energy and their relationship to the original natural resource. The present paper aims to point out that the combination of Stirling engine and a heat pump is a useful solution thanks to the most favorable resultant economic impact if compared to the usage of a diesel, four-stroke gas, or, most commonly used, electric drive.

Subject Areas

Energy Efficiency Ratio; Economic Impact, heat engine; heat pump; Coefficient of Performance

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