Experimental investigation of a supersonic micro turbine running with hexamethyldisiloxane | Zendy

Weiß Andreas P. | Zendy; Josef Hauer | Zendy; Tobias Popp | Zendy; Markus Preißinger | Zendy

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Experimental investigation of a supersonic micro turbine running with hexamethyldisiloxane

Author(s) -

Weiß Andreas P.,

Josef Hauer,

Tobias Popp,

Markus Preißinger

Publication year - 2017

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.5004384

Subject(s) - turbine , supersonic speed , isentropic process , overall pressure ratio , rotational speed , waste heat , steam turbine , materials science , automotive engineering , mechanical engineering , environmental science , engineering , aerospace engineering , mechanics , gas compressor , heat exchanger , physics

Experimentally determined efficiency characteristics of a supersonic micro turbine are discussed in the present paper. The micro turbine is a representative of a “micro-turbine-generator-construction-kit” for ORC small scale waste heat recovery. The isentropic total-to-static efficiency of the 12 kW turbine reaches an excellent design point performance of 73.4 %. Furthermore, its off-design operating behavior is very advantageous for small waste heat recovery plants: the turbine efficiency keeps a high level over a wide range of pressure ratio and rotational speed.

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