Aerodynamic Limits on Large Civil Tiltrotor Sizing and Efficiency.

机译：大型民用倾转器尺寸和效率的气动限制。

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The NASA Large Civil Tiltrotor (2nd generation, or LCTR2) is a useful reference design for technology impact studies. The present paper takes a broad view of technology assessment by examining the extremes of what aerodynamic improvements might hope to accomplish. Performance was analyzed with aerodynamically idealized rotor, wing, and airframe, representing the physical limits of a large tiltrotor. The analysis was repeated with more realistic assumptions, which revealed that increased maximum rotor lift capability is potentially more effective in improving overall vehicle efficiency than higher rotor or wing efficiency. To balance these purely theoretical studies, some practical limitations on airframe layout are also discussed, along with their implications for wing design. Performance of a less efficient but more practical aircraft with non-tilting nacelles is presented.

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作者
Acree, C. W.;
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年度 2014
页码 1-15
总页数 15
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Tilt rotor aircraft; Aircraft design; Rotor lift; Airframes; Nacelles; Rotors; Attitude(Inclination); Layouts; Wings;

机译：倾斜旋翼飞机;飞机设计;转子升力;机身;机舱;转子;姿态（倾斜）;布局;翅膀;

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1. Tiltrotor CFD Part II - aerodynamic optimisation of tiltrotor blades [J] . Jimenez-Garcia A., Biava M., Barakos G. N., The Aeronautical Journal . 2017,第1239期

机译：Tiltrotor CFD Part II-倾斜转子叶片的空气动力学优化
2. Numerical investigation of the aerodynamic interaction between a tiltrotor and a tandem rotor during shipboard operations [J] . Tan Jian Feng, Zhou Tian Yi, Sun Yi Ming, Aerospace science and technology . 2019,第APRa期

机译：舰载作业中倾转旋翼和串联旋翼之间空气动力相互作用的数值研究
3. Numerical investigation of the aerodynamic interaction between a tiltrotor and a tandem rotor during shipboard operations [J] . Tan Jian Feng, Zhou Tian Yi, Sun Yi Ming, Aerospace science and technology . 2019,第Apra期

机译：船上操作期间倾斜仪和串联转子之间的空气动力学相互作用的数值研究
4. Integration of Rotor Aerodynamic Optimization with the Conceptual Design of a Large Civil Tiltrotor [C] . C. W. Acree Jr. AHS aeromechanics specialists conference 2010 . 2010

机译：转子空气动力学优化与大型民用旋耕机概念设计的整合
5. Analysis of the aerodynamically deployable wings and payload support structure of the mono tiltrotor. [D] . Samsock, John J. 2007

机译：单摆式转子的空气动力展开机翼和有效载荷支撑结构分析。
6. Aerodynamic particle size analysis of aerosols from pressurized metered-dose inhalers: Comparison of andersen 8-stage cascade impactor next generation pharmaceutical impactor and model 3321 aerodynamic particle sizer aerosol spectrometer [O] . Jolyon P. Mitchell, Mark W. Nagel, Kimberly J. Wiersema, 2003

机译：加压定量吸入器气雾剂的空气动力学粒度分析：安徒生8级级联撞击器下一代药物撞击器和3321型空气动力学粒度仪气溶胶光谱仪的比较
7. Tiltrotor CFD part II: aerodynamic optimisation of tiltrotor blades [O] . Jimenez Garcia A., Biava M., Barakos G.N., 2017

机译：Tiltrotor CFD第二部分：倾转旋翼叶片的空气动力学优化
8. Aerodynamic Limits on Large Civil Tiltrotor Sizing and Efficiency. [R] . Acree, C. W. 2014

机译：大型民用倾转器尺寸和效率的气动限制。

Aerodynamic Limits on Large Civil Tiltrotor Sizing and Efficiency.

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