Unsteady loads for coaxial rotors in forward flight computed using a vortex particle method [PDF]
, 2018 Recent advances in coaxial rotor design have shown benefits of this configuration. Nevertheless, issues related to rotor-head drag, aerodynamic performance, wake interference, and vibration should also be considered.
Barakos, George +2 more
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Rotor blade aerodynamic design [PDF]
Aerodynamic performance aspects of rotor blade design are presented.
Noonan, Kevin W., Walsh, Joanne L.
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Validation of a pair of computer codes for estimation and optimization of subsonic aerodynamic performance of simple hinged-flap systems for thin swept wings [PDF]
Extensive correlations of computer code results with experimental data are employed to illustrate the use of linearized theory attached flow methods for the estimation and optimization of the aerodynamic performance of simple hinged flap systems.
Carlson, Harry W., Darden, Christine M.
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Hangkong gongcheng jinzhanFor conventionally laid out civil transport aircraft in low-speed condition and high lift configurations, the advance of the stall angle of attack causes the aircraft's approach speed to be too high, it is necessary to optimize the low-speed ...
YAN Wei +9 more
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Forward bearing reactor mechanism for Titan 3-E/Centaur D-1T space launch vehicle [PDF]
, 1975 System between the Titan/Centaur launch vehicle and its aerodynamic shroud is described. The system provides a precise spring constant and is capable of being inactivated during flight.
Jones, R. A.
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Adjoint-based RCS surface sensitivity calculation for very large electrical size object
Defence TechnologyThe primary concern in stealth aircraft design is the very large electrical size objects. However, the computational and storage requirements of these objects present significant obstacles for current high-fidelity design methods, particularly when ...
Jun Deng +5 more
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Adjoint methods for aerodynamic wing design [PDF]
A model inverse design problem is used to investigate the effect of flow discontinuities on the optimization process. The optimization involves finding the cross-sectional area distribution of a duct that produces velocities that closely match a targeted
Grossman, Bernard
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Optimum design of high speed prop rotors including the coupling of performance, aeroelastic stability and structures [PDF]
An optimization procedure is developed for the design of high speed prop-rotors to be used in civil tiltrotor applications. The goal is to couple aerodynamic performance, aeroelastic stability, and structural design requirements inside a closed-loop ...
Chattopadhyay, Aditi +2 more
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Aerodynamic Analysis Of Voice In Persons With Laryngopharyngeal Reflux [PDF]
, 2009 Objectives of the study: The individuals with laryngopharyngeal reflux are prone for aspiration of refluxed contents and so there is a need for aerodynamic evaluation in these individuals.
B, Radish Kumar, Bhat, Jayashree S. Bhat
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High-speed-propeller wind-tunnel aeroacoustic results [PDF]
, 1980 Some aerodynamic concepts are presented together with an explanation of how these concepts are applied to advanced propeller design. The unique features of this propulsion system are addressed with emphasis on the design concepts being considered for the
Dittmar, J. H., Jeracki, R. J.
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