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A micro-turbine-generator-construction-kit (MTG-c-kit) for small-scale waste heat recovery ORC-Plants

Title data

Weiß, A.P. ; Popp, T. ; Zinn, G. ; Preißinger, Markus ; Brüggemann, Dieter:
A micro-turbine-generator-construction-kit (MTG-c-kit) for small-scale waste heat recovery ORC-Plants.
In: Energy. Vol. 181 (August 2019) . - 51 - 55.
ISSN 0360-5442
DOI: https://doi.org/10.1016/j.energy.2019.05.135

Abstract in another language

Experimentally determined efficiency characteristics of two micro turbines are discussed in this paper. One turbine (15 kW) is working with cyclopentane, the other turbine (12 kW) expands hexamethyldisiloxane (MM). The two turbines are designed and built in accordance to the concept of a micro-turbine-generator-construction-kit (MTG-c-kit) for small-scale Organic Rankine Cycle (ORC) waste heat recovery. The motivation for this MTG-c-kit and its architecture will be briefly introduced. Both single stage impulse turbines show a high design point total-to-static isentropic efficiency: the 15 kW cyclopentane turbine achieves 65.0, the 12 kW hexamethylidisiloxane turbine achieves even 73.4. Furthermore, the discussed off-design characteristics of the turbines prove that their 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.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Organic rankine cycle (ORC); Turbine; Experimental; Waste heat recovery
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Engineering Thermodynamics and Transport Processes
Faculties > Faculty of Engineering Science > Chair Engineering Thermodynamics and Transport Processes > Chair Engineering Thermodynamics and Transport Processes - Univ.-Prof. Dr.-Ing. Dieter Brüggemann
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 30 Sep 2019 09:11
Last Modified: 30 Sep 2019 09:11
URI: https://eref.uni-bayreuth.de/id/eprint/49259