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Article

Retrofittable Solutions Capability for Gas Turbine Compressors †

by
Martina Ricci
1,
Stefano Gino Mosele
2,
Marcello Benvenuto
2,
Pio Astrua
2,
Roberto Pacciani
1,* and
Michele Marconcini
1
1
Department of Industrial Engineering, University of Florence, Via di Santa Marta, 3, 50139 Florence, Italy
2
Ansaldo Energia, Via Nicola Lorenzi, 8, 16152 Genoa, Italy
*
Author to whom correspondence should be addressed.
†
This paper is an extended version of our paper in Proceedings of the 14th European Turbomachinery Conference, Gdansk, Poland, 12–16 April 2021.
Int. J. Turbomach. Propuls. Power 2022, 7(1), 3; https://doi.org/10.3390/ijtpp7010003
Submission received: 15 September 2021 / Revised: 4 January 2022 / Accepted: 7 January 2022 / Published: 11 January 2022
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Abstract

The increasing introduction of renewable energy capacity has changed the perspective on the operation of conventional power plants, introducing the necessity of reaching extreme off-design conditions. There is a strong interest in the development and optimization of technologies that can be retrofitted to an existing power plant to enhance flexibility as well as increase performance and lower emissions. Under the framework of the European project TURBO-REFLEX, a typical F-class gas turbine compressor designed and manufactured by Ansaldo Energia has been studied. Numerical analyses were performed using the TRAF code, which is a state-of-the-art 3D CFD RANS/URANS flow solver. In order to assess the feasibility of lower minimum environmental load operation, by utilizing a reduction in the compressor outlet mass-flow rate, with a safe stability margin, two different solutions have been analyzed: blow-off extractions and extra-closure of Variable Inlet Guide Vanes. The numerical steady-state results are compared and discussed in relation to an experimental campaign, which was performed by Ansaldo Energia. The purpose is to identify the feasibility of the technologies and implementation opportunity in the existing thermal power plant fleet.
Keywords: axial compressor; minimum environmental load; computational fluid dynamics axial compressor; minimum environmental load; computational fluid dynamics

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MDPI and ACS Style

Ricci, M.; Mosele, S.G.; Benvenuto, M.; Astrua, P.; Pacciani, R.; Marconcini, M. Retrofittable Solutions Capability for Gas Turbine Compressors. Int. J. Turbomach. Propuls. Power 2022, 7, 3. https://doi.org/10.3390/ijtpp7010003

AMA Style

Ricci M, Mosele SG, Benvenuto M, Astrua P, Pacciani R, Marconcini M. Retrofittable Solutions Capability for Gas Turbine Compressors. International Journal of Turbomachinery, Propulsion and Power. 2022; 7(1):3. https://doi.org/10.3390/ijtpp7010003

Chicago/Turabian Style

Ricci, Martina, Stefano Gino Mosele, Marcello Benvenuto, Pio Astrua, Roberto Pacciani, and Michele Marconcini. 2022. "Retrofittable Solutions Capability for Gas Turbine Compressors" International Journal of Turbomachinery, Propulsion and Power 7, no. 1: 3. https://doi.org/10.3390/ijtpp7010003

APA Style

Ricci, M., Mosele, S. G., Benvenuto, M., Astrua, P., Pacciani, R., & Marconcini, M. (2022). Retrofittable Solutions Capability for Gas Turbine Compressors. International Journal of Turbomachinery, Propulsion and Power, 7(1), 3. https://doi.org/10.3390/ijtpp7010003

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