Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviation
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Tipo de documento: | Tese |
Idioma: | eng |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da USP |
Texto Completo: | https://www.teses.usp.br/teses/disponiveis/18/18148/tde-19122022-155409/ |
Resumo: | Due to technological evolution and the development of several environmental aerospace projects, the aeronautical community has been implementing advanced design strategies, aiming to find next-generation configurations that allow mitigating the undesirable impact of aircraft on the environment. Unconventional solutions have attracted the attention of designers, and several aircraft concepts have been proposed in order to achieve ambitious goals. Given the lack of significant design experience with unconventional aircraft, Multidisciplinary Design Optimization (MDO) frameworks enable to understand the impact of various technologies, obtaining reductions in energy use per passenger-kilometer beyond that provided by the configuration itself. In this thesis, multifidelity and multidisciplinary optimization methodologies have been applied towards designing a next-generation commercial airliner, which combines a Box-Wing configuration with Boundary Layer Ingestion (BLI) engines. This project presents four fundamental objectives: (i) To understand the current design issues, methods, and evolving trends of unconventional configurations. This is performed through a compilation of information in the form of a state- of-the-art literature review. (ii) To develop a low-fidelity MDO method to determine the main geometric, aerodynamic, stability, propulsion and performance characteristics of the aircraft, based on its design requirements and constraints. (iii) To carry out Computational Fluid Dynamics (CFD) simulations and wind-tunnel experiments on a scale-model of the aircraft, in order to perform a back-to-back analysis of non-boundary layer ingesting and boundary layer ingesting versions of the aircraft. (iv) To implement a high-fidelity Aerodynamic Shape Optimization method for the Box-Wing concept based on Reynolds-Averaged Navier-Stokes (RANS) equations. The completion of the research effort led to understand the potential benefits of the different technologies implemented on the aircraft at different levels of physical fidelity. Such information is believed to be important in determining whether a Box-wing aircraft powered by a BLI propulsion system can fulfil future aviation demands, providing also interesting and very encouraging results for further development. |
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Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviationMetodologias para projetar, otimizar e avaliar possíveis configurações de aeronaves não convencionais para o futuro da aviação civilAerodynamic Shape OptimizationBoundary Layer IngestionBox-Wing configurationComputational Fluid DynamicsConfiguração Box-WingDinâmica dos Fluidos ComputacionalExperimentos em túnel de ventoIngestão de camada limiteMultidisciplinary Design OptimizationOtimização de forma aerodinâmicaOtimização multidisciplinar de projetoWind-tunnel experimentsDue to technological evolution and the development of several environmental aerospace projects, the aeronautical community has been implementing advanced design strategies, aiming to find next-generation configurations that allow mitigating the undesirable impact of aircraft on the environment. Unconventional solutions have attracted the attention of designers, and several aircraft concepts have been proposed in order to achieve ambitious goals. Given the lack of significant design experience with unconventional aircraft, Multidisciplinary Design Optimization (MDO) frameworks enable to understand the impact of various technologies, obtaining reductions in energy use per passenger-kilometer beyond that provided by the configuration itself. In this thesis, multifidelity and multidisciplinary optimization methodologies have been applied towards designing a next-generation commercial airliner, which combines a Box-Wing configuration with Boundary Layer Ingestion (BLI) engines. This project presents four fundamental objectives: (i) To understand the current design issues, methods, and evolving trends of unconventional configurations. This is performed through a compilation of information in the form of a state- of-the-art literature review. (ii) To develop a low-fidelity MDO method to determine the main geometric, aerodynamic, stability, propulsion and performance characteristics of the aircraft, based on its design requirements and constraints. (iii) To carry out Computational Fluid Dynamics (CFD) simulations and wind-tunnel experiments on a scale-model of the aircraft, in order to perform a back-to-back analysis of non-boundary layer ingesting and boundary layer ingesting versions of the aircraft. (iv) To implement a high-fidelity Aerodynamic Shape Optimization method for the Box-Wing concept based on Reynolds-Averaged Navier-Stokes (RANS) equations. The completion of the research effort led to understand the potential benefits of the different technologies implemented on the aircraft at different levels of physical fidelity. Such information is believed to be important in determining whether a Box-wing aircraft powered by a BLI propulsion system can fulfil future aviation demands, providing also interesting and very encouraging results for further development.Devido à evolução tecnológica e ao desenvolvimento de diversos projetos aeroespaciais ambientais, a comunidade aeronáutica vem implementando estratégias avançadas de projeto, visando encontrar configurações de próxima geração que permitam mitigar o impacto indesejável dos aviões no ambiente. Soluções não convencionais têm atraído a atenção de projetistas, e vários conceitos de aeronaves têm sido propostos para atingir metas ambiciosas. Dada a falta de experiência em projeto de aeronaves não convencionais, metodologias de otimização de projeto multidisciplinar (MDO) permitem entender o impacto de várias tecnologias, obtendo reduções no consumo de energia por passageiro-quilômetro além daquela proporcionada apenas pela configuração. Nesta tese, metodologias de otimização multifidelidade e multidisciplinar foram aplicadas para projetar uma aeronave comercial de próxima geração, que combina uma configuração Box-Wing com um sistema de propulsão por ingestão de camada limite (BLI). Este projeto tem quatro objetivos fundamentais: (i) Compreender as atuais questões de projeto, metodologias, e tendências em evolução de aeronaves não convencionais. Isto foi realizado através de uma compilação de informação na forma de revisão de literatura. (ii) Desenvolver um método de otimização de projeto multidisciplinar de baixa fidelidade para determinar as principais características geométricas, aerodinâmicas, de estabilidade, propulsão e desempenho da aeronave, com base em seus requisitos de projeto e restrições. (iii) Realizar simulações de dinâmica de fluidos computacional (CFD) e experimentos em túnel de vento usando um modelo a escala da aeronave, a fim de realizar uma análise comparativa entre duas versões da mesma, sendo uma com ingestão de camada limite e outra sem ingestão de camada limite. (iv) Implementar um método de otimização de forma aerodinâmica de alta fidelidade para o conceito Box-Wing baseado nas equações de Reynolds- Averaged Navier-Stokes (RANS). A conclusão do esforço de pesquisa permitiu compreender os benefícios potenciais das diferentes tecnologias implementadas na aeronave em diferentes níveis de fidelidade física. Espera-se que tais dados sejam úteis na interpretação de que uma aeronave Box-wing acoplada a um sistema de propulsão BLI possa atender às demandas da aviação futura, fornecendo também resultados interessantes e muito encorajadores para o desenvolvimento de trabalhos futuros.Biblioteca Digitais de Teses e Dissertações da USPCatalano, Fernando MartiniBravo Mosquera, Pedro David2022-10-13info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisapplication/pdfhttps://www.teses.usp.br/teses/disponiveis/18/18148/tde-19122022-155409/reponame:Biblioteca Digital de Teses e Dissertações da USPinstname:Universidade de São Paulo (USP)instacron:USPLiberar o conteúdo para acesso público.info:eu-repo/semantics/openAccesseng2023-01-05T19:44:21Zoai:teses.usp.br:tde-19122022-155409Biblioteca Digital de Teses e Dissertaçõeshttp://www.teses.usp.br/PUBhttp://www.teses.usp.br/cgi-bin/mtd2br.plvirginia@if.usp.br|| atendimento@aguia.usp.br||virginia@if.usp.bropendoar:27212023-01-05T19:44:21Biblioteca Digital de Teses e Dissertações da USP - Universidade de São Paulo (USP)false |
dc.title.none.fl_str_mv |
Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviation Metodologias para projetar, otimizar e avaliar possíveis configurações de aeronaves não convencionais para o futuro da aviação civil |
title |
Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviation |
spellingShingle |
Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviation Bravo Mosquera, Pedro David Aerodynamic Shape Optimization Boundary Layer Ingestion Box-Wing configuration Computational Fluid Dynamics Configuração Box-Wing Dinâmica dos Fluidos Computacional Experimentos em túnel de vento Ingestão de camada limite Multidisciplinary Design Optimization Otimização de forma aerodinâmica Otimização multidisciplinar de projeto Wind-tunnel experiments |
title_short |
Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviation |
title_full |
Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviation |
title_fullStr |
Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviation |
title_full_unstemmed |
Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviation |
title_sort |
Methodologies for designing, optimizing, and evaluating possible unconventional aircraft configurations for future civil aviation |
author |
Bravo Mosquera, Pedro David |
author_facet |
Bravo Mosquera, Pedro David |
author_role |
author |
dc.contributor.none.fl_str_mv |
Catalano, Fernando Martini |
dc.contributor.author.fl_str_mv |
Bravo Mosquera, Pedro David |
dc.subject.por.fl_str_mv |
Aerodynamic Shape Optimization Boundary Layer Ingestion Box-Wing configuration Computational Fluid Dynamics Configuração Box-Wing Dinâmica dos Fluidos Computacional Experimentos em túnel de vento Ingestão de camada limite Multidisciplinary Design Optimization Otimização de forma aerodinâmica Otimização multidisciplinar de projeto Wind-tunnel experiments |
topic |
Aerodynamic Shape Optimization Boundary Layer Ingestion Box-Wing configuration Computational Fluid Dynamics Configuração Box-Wing Dinâmica dos Fluidos Computacional Experimentos em túnel de vento Ingestão de camada limite Multidisciplinary Design Optimization Otimização de forma aerodinâmica Otimização multidisciplinar de projeto Wind-tunnel experiments |
description |
Due to technological evolution and the development of several environmental aerospace projects, the aeronautical community has been implementing advanced design strategies, aiming to find next-generation configurations that allow mitigating the undesirable impact of aircraft on the environment. Unconventional solutions have attracted the attention of designers, and several aircraft concepts have been proposed in order to achieve ambitious goals. Given the lack of significant design experience with unconventional aircraft, Multidisciplinary Design Optimization (MDO) frameworks enable to understand the impact of various technologies, obtaining reductions in energy use per passenger-kilometer beyond that provided by the configuration itself. In this thesis, multifidelity and multidisciplinary optimization methodologies have been applied towards designing a next-generation commercial airliner, which combines a Box-Wing configuration with Boundary Layer Ingestion (BLI) engines. This project presents four fundamental objectives: (i) To understand the current design issues, methods, and evolving trends of unconventional configurations. This is performed through a compilation of information in the form of a state- of-the-art literature review. (ii) To develop a low-fidelity MDO method to determine the main geometric, aerodynamic, stability, propulsion and performance characteristics of the aircraft, based on its design requirements and constraints. (iii) To carry out Computational Fluid Dynamics (CFD) simulations and wind-tunnel experiments on a scale-model of the aircraft, in order to perform a back-to-back analysis of non-boundary layer ingesting and boundary layer ingesting versions of the aircraft. (iv) To implement a high-fidelity Aerodynamic Shape Optimization method for the Box-Wing concept based on Reynolds-Averaged Navier-Stokes (RANS) equations. The completion of the research effort led to understand the potential benefits of the different technologies implemented on the aircraft at different levels of physical fidelity. Such information is believed to be important in determining whether a Box-wing aircraft powered by a BLI propulsion system can fulfil future aviation demands, providing also interesting and very encouraging results for further development. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-10-13 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.teses.usp.br/teses/disponiveis/18/18148/tde-19122022-155409/ |
url |
https://www.teses.usp.br/teses/disponiveis/18/18148/tde-19122022-155409/ |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
|
dc.rights.driver.fl_str_mv |
Liberar o conteúdo para acesso público. info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Liberar o conteúdo para acesso público. |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.coverage.none.fl_str_mv |
|
dc.publisher.none.fl_str_mv |
Biblioteca Digitais de Teses e Dissertações da USP |
publisher.none.fl_str_mv |
Biblioteca Digitais de Teses e Dissertações da USP |
dc.source.none.fl_str_mv |
reponame:Biblioteca Digital de Teses e Dissertações da USP instname:Universidade de São Paulo (USP) instacron:USP |
instname_str |
Universidade de São Paulo (USP) |
instacron_str |
USP |
institution |
USP |
reponame_str |
Biblioteca Digital de Teses e Dissertações da USP |
collection |
Biblioteca Digital de Teses e Dissertações da USP |
repository.name.fl_str_mv |
Biblioteca Digital de Teses e Dissertações da USP - Universidade de São Paulo (USP) |
repository.mail.fl_str_mv |
virginia@if.usp.br|| atendimento@aguia.usp.br||virginia@if.usp.br |
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1809090877840162816 |