Article | Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016 | The Effect of Pressure Losses on Measured Compressor Efficiency Linköping University Electronic Press Conference Proceedings
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Title:
The Effect of Pressure Losses on Measured Compressor Efficiency
Author:
Kristoffer Ekberg: Vehicular Systems, Linköping University, Sweden Lars Eriksson: Vehicular Systems, Linköping University, Sweden
DOI:
10.3384/ecp17142251
Download:
Full text (pdf)
Year:
2018
Conference:
Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016
Issue:
142
Article no.:
036
Pages:
251-257
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2018-12-19
ISBN:
978-91-7685-399-3
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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While measuring the compressor behavior at different load points in for example a gas stand, the inlet and outlet pressures are not always measured directly before and after the compressor. The friction inside the pipes and the physical piping con?guration affect the measured compressor ef?ciency, due to the induced change of ?uid enthalpy. If the measured pressures at the end of the inlet and outlet pipes are not the same as the actual pressure before and after the compressor, the acquired compressor map does not give the right description of it as an isolated component. The main contribution of this paper is the analysis of the impact of gas stand energy losses due to pipe friction on the compressor map. As a result the paper suggests a way to take the pressure losses in the inlet and outlet pipes into account. The suggested model takes pipe friction, diffuser, nozzle and pipe bends into account. The potential measurement error in compressor ef?ciency due to energy losses in the pipes in this experiment is 2.7% (percentage points) at maximum mass ?ow of air through the compressor.

Keywords: gas stand, pipe, bend, diffuser

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Kristoffer Ekberg, Lars Eriksson
Title:
The Effect of Pressure Losses on Measured Compressor Efficiency
DOI:
http://dx.doi.org/10.3384/ecp17142251
References:
No references available

Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016

Author:
Kristoffer Ekberg, Lars Eriksson
Title:
The Effect of Pressure Losses on Measured Compressor Efficiency
DOI:
https://doi.org10.3384/ecp17142251
Note: the following are taken directly from CrossRef
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Last updated: 2019-10-02