Study of a Gas Turbine Cycle to Boost the Autonomy of Electric Cars

The greenhouse gas emissions from the transportation sector are the primary cause of climate change. As a result, many studies have developed new powertrains with reduced CO<sub>2</sub> emissions for the automotive industry. The gas turbine cycle coupled to an alternator is an autonomy b...

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Main Authors: Joelle Najib, Maroun Nemer, Chakib Bouallou
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/9/3348
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author Joelle Najib
Maroun Nemer
Chakib Bouallou
author_facet Joelle Najib
Maroun Nemer
Chakib Bouallou
author_sort Joelle Najib
collection DOAJ
description The greenhouse gas emissions from the transportation sector are the primary cause of climate change. As a result, many studies have developed new powertrains with reduced CO<sub>2</sub> emissions for the automotive industry. The gas turbine cycle coupled to an alternator is an autonomy booster for series hybrid electric vehicles. Many gas turbine configurations are proposed in the literature to obtain the highest cycle efficiency. This paper suggests a new architecture offering higher efficiency than all the previous cycles. The two-step methodology consists at first of a sensibility analysis using VBA and Refprop to determine the optimal operating conditions in terms of higher efficiency. The selected cycle consists of two compression stages with an intercooler, a combustion chamber, a cooled hot pressure turbine, an uncooled low-pressure turbine, and a recuperator. The efficiency of this design reaches 51.39%, which approximately matches the designs compared in the literature, but is more compact because it does not require a second combustion chamber.
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spelling doaj.art-b9aef98957a14987aa54569e32a1c56e2023-11-23T08:10:02ZengMDPI AGEnergies1996-10732022-05-01159334810.3390/en15093348Study of a Gas Turbine Cycle to Boost the Autonomy of Electric CarsJoelle Najib0Maroun Nemer1Chakib Bouallou2Centre for Energy Efficiency (CES), Mines ParisTech, PSL Research University, 60 Bd St Michel, F-75006 Paris, FranceCentre for Energy Efficiency (CES), Mines ParisTech, PSL Research University, 60 Bd St Michel, F-75006 Paris, FranceCentre for Energy Efficiency (CES), Mines ParisTech, PSL Research University, 60 Bd St Michel, F-75006 Paris, FranceThe greenhouse gas emissions from the transportation sector are the primary cause of climate change. As a result, many studies have developed new powertrains with reduced CO<sub>2</sub> emissions for the automotive industry. The gas turbine cycle coupled to an alternator is an autonomy booster for series hybrid electric vehicles. Many gas turbine configurations are proposed in the literature to obtain the highest cycle efficiency. This paper suggests a new architecture offering higher efficiency than all the previous cycles. The two-step methodology consists at first of a sensibility analysis using VBA and Refprop to determine the optimal operating conditions in terms of higher efficiency. The selected cycle consists of two compression stages with an intercooler, a combustion chamber, a cooled hot pressure turbine, an uncooled low-pressure turbine, and a recuperator. The efficiency of this design reaches 51.39%, which approximately matches the designs compared in the literature, but is more compact because it does not require a second combustion chamber.https://www.mdpi.com/1996-1073/15/9/3348turbine coolingconvection coolinggas turbinerange extenderseries hybrid electric vehicles
spellingShingle Joelle Najib
Maroun Nemer
Chakib Bouallou
Study of a Gas Turbine Cycle to Boost the Autonomy of Electric Cars
Energies
turbine cooling
convection cooling
gas turbine
range extender
series hybrid electric vehicles
title Study of a Gas Turbine Cycle to Boost the Autonomy of Electric Cars
title_full Study of a Gas Turbine Cycle to Boost the Autonomy of Electric Cars
title_fullStr Study of a Gas Turbine Cycle to Boost the Autonomy of Electric Cars
title_full_unstemmed Study of a Gas Turbine Cycle to Boost the Autonomy of Electric Cars
title_short Study of a Gas Turbine Cycle to Boost the Autonomy of Electric Cars
title_sort study of a gas turbine cycle to boost the autonomy of electric cars
topic turbine cooling
convection cooling
gas turbine
range extender
series hybrid electric vehicles
url https://www.mdpi.com/1996-1073/15/9/3348
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