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Unconventional aircraft for civil aviation: A review of concepts and design methodologies
Progress in Aerospace Sciences ( IF 11.5 ) Pub Date : 2022-04-01 , DOI: 10.1016/j.paerosci.2022.100813
Pedro D. Bravo-Mosquera 1, 2 , Fernando M. Catalano 1 , David W. Zingg 2
Affiliation  

In recent decades, the environmental impacts of aviation have become a key challenge for the aeronautical community. Advanced and well-established technologies such as active flow control systems, wing-tip devices, high bypass ratio engines, composite materials, among others, have demonstrated fuel-burn benefits by reducing drag and/or weight. Nevertheless, aviation remains under intense pressure to become more sustainable. For this reason, there is a strong drive to explore unconventional aircraft with the aim of reducing both environmental emissions and Direct Operating Cost. This paper presents the current state-of-the-art in the development of future aircraft for civil aviation. The literature review is conducted through an appropriate search protocol to ensure the selection of the most relevant sources. After a brief historical background, progress in the design and development of several unconventional aircraft configurations is presented. Concepts such as Blended/Hybrid Wing Bodies, nonplanar wing designs, next-generation propulsion technologies that are tightly integrated with the airframe, among others, are reviewed. Special attention is given to design methodologies (level-of-fidelity), cruise altitude, aerodynamic performance, and fuel-burn benefits over conventional configurations. The primary contributions of this review are (i) a detailed survey of the design characteristics of unconventional aircraft for non-specialists, and (ii) a comprehensive review of the literature detailing past and current design trends of such configurations for specialists.



中文翻译:

民用航空非常规飞机:概念和设计方法回顾

近几十年来,航空对环境的影响已成为航空界面临的主要挑战。先进且成熟的技术,如主动流量控制系统、翼尖装置、高涵道比发动机、复合材料等,已通过减少阻力和/或重量证明了燃料燃烧的好处。尽管如此,航空业仍面临着变得更加可持续的巨大压力。出于这个原因,有强烈的动力去探索非常规飞机,以减少环境排放和直接运营成本。本文介绍了当前民用航空未来飞机开发的最新技术。文献综述是通过适当的搜索协议进行的,以确保选择最相关的来源。在简要的历史背景之后,介绍了几种非常规飞机配置的设计和开发进展。审查了诸如混合/混合翼体、非平面机翼设计、与机身紧密集成的下一代推进技术等概念。特别关注设计方法(保真度)、巡航高度、空气动力学性能和与传统配置相比的燃料燃烧优势。本次审查的主要贡献是(i)对非专业人士的非常规飞机的设计特征进行了详细调查,以及(ii)对文献进行了全面审查,详细介绍了此类配置的过去和当前设计趋势,供专家使用。审查了诸如混合/混合翼体、非平面机翼设计、与机身紧密集成的下一代推进技术等概念。特别关注设计方法(保真度)、巡航高度、空气动力学性能和与传统配置相比的燃料燃烧优势。本次审查的主要贡献是(i)对非专业人士的非常规飞机的设计特征进行了详细调查,以及(ii)对文献进行了全面审查,详细介绍了此类配置的过去和当前设计趋势,供专家使用。审查了诸如混合/混合翼体、非平面机翼设计、与机身紧密集成的下一代推进技术等概念。特别关注设计方法(保真度)、巡航高度、空气动力学性能和与传统配置相比的燃料燃烧优势。本次审查的主要贡献是(i)对非专业人士的非常规飞机的设计特征进行了详细调查,以及(ii)对文献进行了全面审查,详细介绍了此类配置的过去和当前设计趋势,供专家使用。与传统配置相比,巡航高度、空气动力学性能和燃油燃烧优势。本次审查的主要贡献是(i)对非专业人士的非常规飞机的设计特征进行了详细调查,以及(ii)对文献进行了全面审查,详细介绍了此类配置的过去和当前设计趋势,供专家使用。与传统配置相比,巡航高度、空气动力学性能和燃油燃烧优势。本次审查的主要贡献是(i)对非专业人士的非常规飞机的设计特征进行了详细调查,以及(ii)对文献进行了全面审查,详细介绍了此类配置的过去和当前设计趋势,供专家使用。

更新日期:2022-04-01
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