Assessment of a hybrid propulsion system for short-mid range application with a low-order code

The increase in air traffic expected in the next years must be accompanied by innovation to ensure the lowest possible environmental impact. Hybrid electric-thermal propulsion systems are currently being investigated and could represent a breakthrough for environmental sustainability in the sector....

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Autores principales:	Amerini Alberto, Langone Leonardo, Vadi Riccardo, Andreini Antonio
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/42bda98e9180426da843a03d2edfa32a
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id	oai:doaj.org-article:42bda98e9180426da843a03d2edfa32a
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spelling	oai:doaj.org-article:42bda98e9180426da843a03d2edfa32a2021-11-08T15:18:54ZAssessment of a hybrid propulsion system for short-mid range application with a low-order code2267-124210.1051/e3sconf/202131211005https://doaj.org/article/42bda98e9180426da843a03d2edfa32a2021-01-01T00:00:00Zhttps://www.e3s-conferences.org/articles/e3sconf/pdf/2021/88/e3sconf_ati2021_11005.pdfhttps://doaj.org/toc/2267-1242The increase in air traffic expected in the next years must be accompanied by innovation to ensure the lowest possible environmental impact. Hybrid electric-thermal propulsion systems are currently being investigated and could represent a breakthrough for environmental sustainability in the sector. However, the transition to electric propulsion remains challenging due to the current level of energy density related to storage systems, the additional components associated with power conversion and control systems, not to mention the cost of all the associated equipment. The purpose of this study is to carry out a preliminary assessment of a hybrid propulsion system for a short-mid range aircraft. This study investigates the series hybrid configuration, where a turboshaft, a high temperature superconducting (HTS) electric motor, batteries and power converters interact to provide the necessary propulsion for flight. A zero-dimensional procedure is developed to estimate the mass and efficiency of the powertrain components for a selected flight mission. Thermal engines are modeled with the low-order code and coupled with the components of the electric system through a python routine. A comparison in terms of weight and emissions is reported for the designed hybrid propulsion system and the conventional one. The analysis shows that the weight of the two propulsion systems is similar but, the presence of batteries, even considering a higher level of technology than the current one, leads to a significant increase in the weight of the hybrid aircraft. The second part of the study focuses on pollutant emissions, showing that the hybrid system can reduce CO2 emissions by 58% and NOx emissions by 68% compared to the conventional system. Despite the excellent premise, the reduction in payload for the hybrid aircraft causes a reduction in pollutant emissions per passenger only for NOx. For this reason, further technological improvement is needed to make hybrid propulsion advantageous in terms of both payload and pollutant emissions.Amerini AlbertoLangone LeonardoVadi RiccardoAndreini AntonioEDP SciencesarticleEnvironmental sciencesGE1-350ENFRE3S Web of Conferences, Vol 312, p 11005 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Environmental sciences GE1-350
spellingShingle	Environmental sciences GE1-350 Amerini Alberto Langone Leonardo Vadi Riccardo Andreini Antonio Assessment of a hybrid propulsion system for short-mid range application with a low-order code
description	The increase in air traffic expected in the next years must be accompanied by innovation to ensure the lowest possible environmental impact. Hybrid electric-thermal propulsion systems are currently being investigated and could represent a breakthrough for environmental sustainability in the sector. However, the transition to electric propulsion remains challenging due to the current level of energy density related to storage systems, the additional components associated with power conversion and control systems, not to mention the cost of all the associated equipment. The purpose of this study is to carry out a preliminary assessment of a hybrid propulsion system for a short-mid range aircraft. This study investigates the series hybrid configuration, where a turboshaft, a high temperature superconducting (HTS) electric motor, batteries and power converters interact to provide the necessary propulsion for flight. A zero-dimensional procedure is developed to estimate the mass and efficiency of the powertrain components for a selected flight mission. Thermal engines are modeled with the low-order code and coupled with the components of the electric system through a python routine. A comparison in terms of weight and emissions is reported for the designed hybrid propulsion system and the conventional one. The analysis shows that the weight of the two propulsion systems is similar but, the presence of batteries, even considering a higher level of technology than the current one, leads to a significant increase in the weight of the hybrid aircraft. The second part of the study focuses on pollutant emissions, showing that the hybrid system can reduce CO2 emissions by 58% and NOx emissions by 68% compared to the conventional system. Despite the excellent premise, the reduction in payload for the hybrid aircraft causes a reduction in pollutant emissions per passenger only for NOx. For this reason, further technological improvement is needed to make hybrid propulsion advantageous in terms of both payload and pollutant emissions.
format	article
author	Amerini Alberto Langone Leonardo Vadi Riccardo Andreini Antonio
author_facet	Amerini Alberto Langone Leonardo Vadi Riccardo Andreini Antonio
author_sort	Amerini Alberto
title	Assessment of a hybrid propulsion system for short-mid range application with a low-order code
title_short	Assessment of a hybrid propulsion system for short-mid range application with a low-order code
title_full	Assessment of a hybrid propulsion system for short-mid range application with a low-order code
title_fullStr	Assessment of a hybrid propulsion system for short-mid range application with a low-order code
title_full_unstemmed	Assessment of a hybrid propulsion system for short-mid range application with a low-order code
title_sort	assessment of a hybrid propulsion system for short-mid range application with a low-order code
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/42bda98e9180426da843a03d2edfa32a
work_keys_str_mv	AT amerinialberto assessmentofahybridpropulsionsystemforshortmidrangeapplicationwithalowordercode AT langoneleonardo assessmentofahybridpropulsionsystemforshortmidrangeapplicationwithalowordercode AT vadiriccardo assessmentofahybridpropulsionsystemforshortmidrangeapplicationwithalowordercode AT andreiniantonio assessmentofahybridpropulsionsystemforshortmidrangeapplicationwithalowordercode
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Assessment of a hybrid propulsion system for short-mid range application with a low-order code

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