| Issue |
E3S Web Conf.
Volume 113, 2019
SUPEHR19 SUstainable PolyEnergy generation and HaRvesting Volume 1
|
|
|---|---|---|
| Article Number | 03015 | |
| Number of page(s) | 9 | |
| Section | Energy Micropolygeneration and Harvesting | |
| DOI | https://doi.org/10.1051/e3sconf/201911303015 | |
| Published online | 21 August 2019 | |
Experimental Campaign Tests on a Tesla Micro-Expanders
1
Thermochemical Power Group (TPG), University of Genoa, Italy
2
SIT Technologies, Italy
* Corresponding author: avinashrenuke@edu.unige.it
This paper presents the experimental campaign on Tesla turbo expanders carried out at Thermo-chemical Power group (TPG) of University of Genoa, Italy. An experiment system is established using compressed air as a working fluid. A 200 W turbine is tested with rotational speed up to 40000 rpm. Experimental analysis focused mainly on the efficiency features of this expander, showing the impact on performance of different disk gaps, disk thickness, discharge holes, exhaust geometry, as a function of speed and mass flow. An improved version of 3 kW air Tesla turboexpander is built. Preliminary experimental results are discussed along with the effect of number of nozzles on the performance of the turbine.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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