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Flight Dynamics Analyses of a Propeller-Driven Airplane (II): Building a High-Fidelity Mathematical Model and Applications
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 Title & Authors
Flight Dynamics Analyses of a Propeller-Driven Airplane (II): Building a High-Fidelity Mathematical Model and Applications
Kim, Chang-Joo; Kim, Sang Ho; Park, TaeSan; Park, Soo Hyung; Lee, Jae Woo; Ko, Joon Soo;
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 Abstract
This paper is the second in a series and aims to build a high-fidelity mathematical model for a propeller-driven airplane using the propeller`s aerodynamics and inertial models, as developed in the first paper. It focuses on aerodynamic models for the fuselage, the main wing, and the stabilizers under the influence of the wake trailed from the propeller. For this, application of the vortex lattice method is proposed to reflect the propeller`s wake effect on those aerodynamic surfaces. By considering the maneuvering flight states and the flow field generated by the propeller wake, the induced velocity at any point on the aerodynamic surfaces can be computed for general flight conditions. Thus, strip theory is well suited to predict the distribution of air loads over wing components and the viscous flow effect can be duly considered using the 2D aerodynamic coefficients for the airfoils used in each wing. These approaches are implemented in building a high-fidelity mathematical model for a propeller-driven airplane. Flight dynamic analysis modules for the trim, linearization, and simulation analyses were developed using the proposed techniques. The flight test results for a series of maneuvering flights with a scaled model were used for comparison with those obtained using the flight dynamics analysis modules to validate the usefulness of the present approaches. The resulting good correlations between the two data sets demonstrate that the flight characteristics of the propeller-driven airplane can be analyzed effectively through the integrated framework with the propeller and airframe aerodynamic models proposed in this study.
 Keywords
propeller-driven airplane;flight dynamics modeling;vortex lattice method;blade element method;strip theory;
 Language
English
 Cited by
1.
Flight Dynamics Analyses of a Propeller-Driven Airplane (I): Aerodynamic and Inertial Modeling of the Propeller,;;;;;;

International Journal of Aeronautical and Space Sciences, 2014. vol.15. 4, pp.345-355 crossref(new window)
2.
A Comparative Study of Transcription Techniques for Nonlinear Optimal Control Problems Using a Pseudo-Spectral Method,;;

International Journal of Aeronautical and Space Sciences, 2015. vol.16. 2, pp.264-277 crossref(new window)
1.
Flight Dynamics Analyses of a Propeller-Driven Airplane (I): Aerodynamic and Inertial Modeling of the Propeller, International Journal of Aeronautical and Space Sciences, 2014, 15, 4, 345  crossref(new windwow)
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