The hot-gas screw-type engine (GASSCREW), working in a modified Ericson-Joule-Process, is a newly developed drive concept with higher predicted efficiency and usable shaft-work compared to an equivalent gas turbine. It could therefore be suitable for use in plants for decentralised energy supply as well as for automotive or auxiliary drives. The first prototype design was based en results obtained using a simulation system. In this paper the development from the concept to the realization as well as the comparison of results from the simulation system with the measured date is described. The target of this development is the verification of operating behaviour and the thermal and mechanical behaviour of the screw-type motors parts, because the clearances in the motor needed for effective operation have to be very small. Therefore, the first task was to select suitable components with a main focus on the simulation-based design of the thermally high-stressed motor. The necessary calculations were performed using a specifically developed simulation system, of which the authors also give a short outline. Additionally, the article shows hew the essential measurement data was recorded and what techniques were used for the various measurement tasks. Finally the authors provide a conclusion with a discussion of the accuracy of the simulation results and plans for further progress.
Experimental examination of a GASSCREW
Experimentelle Erprobung des Heißgas-Antriebssystems GASSCREW
2002
12 Seiten, 11 Bilder, 6 Quellen
Aufsatz (Konferenz)
Englisch
Pneumatikdrehmotor , Heißgasmotor , thermodynamischer Kreisprozess , Theorie-Experiment-Vergleich , Systemsimulation , Antriebssystem , Wärmedehnung , mechanisches Spiel , Prüfstand , isotherme Zustandsänderung , Schraubenverdichter , Energiebilanz , Kühlsystem , Antriebsleistung , Wärmeschutzschicht , Temperaturmessung , Schraubenrad , Funktionstest
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