“…In general speaking, any sweep angle from leading edge to trailing edge of a tapered wing could be used for 3D to 2D parameter transformation. However, Streit et al [30] suggest that the sweep angle at shock wave location could be a good choice for transonic airfoil. In this paper, the shock wave location is found to be near the 1/2c, so the sweep angle of the 1/2 chord is used to decide the airfoil design Mach number.…”
Section: Design Requirements Of Nlf Airfoilmentioning
confidence: 98%
“…Khalid and Jones [17] showed the supercritical NLF airfoils with different thicknesses designed at the National Aeronautical Establishment, and the experiment validated good performances of the airfoils at Reynolds number up to 12.5 million. Streit et al [30] provided a new method of converting pressure distribution of two-dimensional NLF airfoil to three-dimensional wing by considering the sweep and tapered effects. The pressure distribution of the Honda jet [12] provided some new concepts of supercritical NLF airfoil design, on which the tailing edge bubble of the upper surface was adopted to suppress low speed flow separation, and the leading-edge shape was carefully designed to cause transition at high angles of attack (AoA) to obtain higher maximum lift coefficient.…”
“…In general speaking, any sweep angle from leading edge to trailing edge of a tapered wing could be used for 3D to 2D parameter transformation. However, Streit et al [30] suggest that the sweep angle at shock wave location could be a good choice for transonic airfoil. In this paper, the shock wave location is found to be near the 1/2c, so the sweep angle of the 1/2 chord is used to decide the airfoil design Mach number.…”
Section: Design Requirements Of Nlf Airfoilmentioning
confidence: 98%
“…Khalid and Jones [17] showed the supercritical NLF airfoils with different thicknesses designed at the National Aeronautical Establishment, and the experiment validated good performances of the airfoils at Reynolds number up to 12.5 million. Streit et al [30] provided a new method of converting pressure distribution of two-dimensional NLF airfoil to three-dimensional wing by considering the sweep and tapered effects. The pressure distribution of the Honda jet [12] provided some new concepts of supercritical NLF airfoil design, on which the tailing edge bubble of the upper surface was adopted to suppress low speed flow separation, and the leading-edge shape was carefully designed to cause transition at high angles of attack (AoA) to obtain higher maximum lift coefficient.…”
“…En el marco de flujo laminar híbrido, por soplado o absorción de capa límite, proyectos como AFLONEXT, UE 7ºPM 2013-2017, también está dando buenos resultados, [8]. Esta tendencia a la investigación en flujo laminar también tiene eco fuera de las fronteras europeas, [9], [10].…”
Section: Contribución De Esta Tesis Doctoralunclassified
“…En particular, esta referencia ofrece resultados de estudios del efecto de deformaciones controladas en la zona del borde de salida del ala proporcionando aumentos de eficiencia aerodinámica en el rango del 5 % a 15%. Los resultados analíticos, [9], y de túnel aerodinámico [7] de un ala laminar donde se ha controlado el punto de transición de capa límite a turbulenta en la zona de la superficie de control por medio de actuadores fluídicos, han sido publicados recientemente. La aplicación de alas laminares a aviones de transporte regional ha sido estudiado y caracterizadas las mejoras, [6].…”
Section: Bibliografía Relacionada Con Esta Tesisunclassified
“…En la extrapolación de resultados de estudios en 2 dimensiones a geometrías reales tridimensionales ha habido investigaciones en el campo de alas laminares con conicidad, que podrían ser aplicables a los estudios de esta Tesis, [117]. No obstante, dado el carácter de investigación de este estudio, se ha preferido desarrollar herramientas de simulación computacional, que permitan conocer, con mayor profundidad, la complejidad de la aerodinámica del perfil del estabilizador vertical con su superficie de control lateraldireccional.…”
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