Three-dimensional Euler solutions for long-duct nacelles

Compton, W. B.; Whitesides, John L.

doi:10.2514/6.1983-89

Cited by 2 publications

(2 citation statements)

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“…For a moderate number of time steps (~ 1000), it yielded reasonably accurate results for engineering purposes. 4 ' 5 The explicit technique proved to be stable and predicted pressures that are in even better agreement with experiment on the external surface of the nacelle than those calculated by the implicit numerical procedure.…”

Section: Preceding Resultsmentioning

confidence: 68%

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Boundary-layer effects on the flowfield about isolated flow-through nacelles

Compton

Whitesides

1987

Journal of Propulsion and Power

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A numerical study has been made of boundary-layer effects on the flowfield about isolated flow-through nacelles. A viscous-inviscid interacting computational model for investigating the problem was constructed by coupling a three-dimensional explicit Euler solution procedure with a compressible, "lag-entrainment," integral boundary-layer solution technique. Solutions were obtained with the interacting model for long-duct turbofan engine nacelles at a freestream Mach number of 0.8 and an angle of attack of 0 deg. The physics of the interactions between the internal and external flows and the manner in which the boundary layer alters these interactions are analyzed. The computational results are compared to experimental data.

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Section: Preceding Resultsmentioning

confidence: 68%

“…4 ' 5 The evaluation was conducted specifically for an isolated flow-through nacelle configuration. The first computational procedure employed an alternating-direction-implicit (ADI) numerical algorithm and the second procedure employed an explicit fourth-order Runge-Kutta numerical algorithm.…”

Section: Preceding Resultsmentioning

confidence: 99%