Review of the Investigation of Innovative Propulsion System Architectures for Aircraft

• Valencia, Esteban ^[1] ; Laskaridis, Panagiotis ^[2] ; Singh, Riti ^[2] ; Liu, Chengyuan ; Cando, Edgar ^[1] ; Hidalgo, Victor ^[3]
  1. [1] Escuela Politécnica Nacional

     Escuela Politécnica Nacional

     Quito, Ecuador

     
  2. [2] Cranfield University Power and Propulsion Department MK430AL UK
  3. [3] TSINGHUA UNIVERSITY State key laboratory China

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• Localización: Revista Politécnica, ISSN-e 2477-8990, Vol. 35, Nº. 3, 2015 (Ejemplar dedicado a: Revista Politécnica), págs. 1-1
• Idioma: inglés
• Enlaces
  • Texto completo
• Resumen
  • español

    Resumen: Los beneficios potenciales que representa la aviación en los campos: económico, de seguridad y de desarrollotecnológico de un país, han motivado a países como Ecuador a fomentar el crecimento de la aeronáutica en los últimosaños. Lamanufactura de vehículos no tripulados y satélites, por ejemplo, han significado importantes pasos en la evoluciónde esta rama. En este ámbito, la presente investigación contribuye al estudio de sistemas de propulsión innovadoresde alta eficiencia, que permitan la disminución del consumo de combustible, emisiones y ruido. El efecto de estas variablesen el medio ambiente ha sido estudiado de una manera extensa. Por tal razón, es conocido que el crecimiento de laaviación llevará consigo a una alteracion a nivel global del ecosistema. Debido a ésto, grandes esfuerzos en investigaciónhan sido enfocados a los sistemas de propulsión y fuselaje alternativos, que permitan el desarrollo sustentable dela aviación. El presente trabajo compila la investigación sobre nuevas arquitecturas de sistemas de propulsión, los cualesexhiben potenciales beneficios en las anteriormente mencionadas métricas. Uno de estos novedosos conceptos es elavión NASA N3-X, el cual en éste estudio ha sido considerado como estructura base de propulsión sobre la cual diferentesdiseños conceptuales fueron analizados. En éste concepto resaltan dos aspectos importantes en el mejoramiento delrendimiento de las aeronaves: la re-energización de la capa limite (BLI) y la propulsión distribuida. Desde el punto devista aerodinámico, éstas tecnologias presentan como problemas principales, la distorsión tridimensional inducida porBLI y las pérdidas de presión producidas en los conductos de admisión de los propulsores. Referente a estos problemas,la metodología desarrollada permite la implementación de estos en el análisis del sistema, utilizando diferentes nivelesde fidelidad y diseños de propulsión. En resumen, éste trabajo pretende dar una idea de la labor llevada a cabo en elámbito de los diseños innovadores de propulsión para aviones. Lo cual ha sido considerado especialmente para brindaruna idea global de la problemática y el enfoque seleccionado para estudiar este complejo sistema. En éste sentido,tambien se destacan los principales desafíos, que se deben abordar con el fin de hacer viables estos conceptos.

  • English

    Abstract: The potential benefits of aviation in the economics, safety and technological development of a country, havemotivated countries like Ecuador to create incentives that enable the development of the research in the aerospace field.Some examples are the built in house UAV’s and satellites, which represented important steps in the development of theEcuadorian aerospace research. In this context, the present work contributes with the study of innovative propulsionarchitectures, which present high overall efficiency and therefore contribute to the reduction of fuel burn and emissions.These metrics have been chosen because previous studies have shown that the growing of aviation in future years maydramatically increase their impact over the environment. For this reason, novel airframe and propulsion layouts asthe N3-X concept has been developed in the recent years. Two special features highlight from this concept, which areboundary layer ingestion and distributed propulsion. Although the benfits produced by these features is large, theypresent numerous challenges. From the aerodynamic perspective, BLI induced distortion and intake losses have showndramatically mitigate the benefits. Therefore, this aspects have been included in the method developed to assess thepropulsion system performance. This method enables to broad the spectrum of concepts studied, whilst using differentarchitectures and approaches with different levels of fidelity. To summarize, this paper intends to give an insight of thework carried out in the area of innovative propulsion designs for aircraft. This is to give a global idea of the frameworkutilized, whilst emphasize major issues which need to be addressed in order to make feasible these concepts.

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