سعد الثرواني

In recent years, innovative aerodynamic designs have demonstrated that integrating the wing with the fuselage can significantly enhance the performance of flying vehicles. This configuration, known as the Blended Wing Body (BWB), improves aerodynamic efficiency, reduces fuel consumption, an‎d enhances flight stability. Moreover, previous studies suggest that such systems may also offer promising performance in underwater vehicles. The use of an airfoil-shaped cross-section for the fuselage contributes to increased lift an‎d reduced drag forces. This study aims to introduce a novel geometry for flying vehicles inspired by nature an‎d creatures with wing-fuselage integration, such as stingrays. Initially, a reference geometry was eva‎luated, followed by the selec‎tion of a target configuration. The design process, mesh generation, flow simulation, an‎d result analysis were conducted using advanced numerical tools an‎d validated computational fluid dynamics (CFD) methods. Four geometries BWB, freshwater stingray, Raja, an‎d spotted eagle ray were simulated under compressible flow conditions an‎d various angles of attack. The numerical results revealed that the spotted eagle ray geometry exhibited superior aerodynamic performance compared to the other configurations. Specifically, it achieved maximum lift an‎d minimum drag at Mach number 0.4 an‎d an angle of attack of 10 degrees. The findings of this research indicate that biomimetic approaches in aerial vehicle design can lead to highly efficient geometries. Furthermore, the results may contribute to the development of a new generation of lightweight aircraft, unmanned aerial vehicles (UAVs), an‎d underwater vehicles.

بدنه بال متصل (BWB) , ديناميك سيالات محاسباتي , سيال تراكم پذير

Blended Wing Body (BWB) , Computational Fluid Dynamics, Compressible Flow , Compressible Flow

Saad Al-Tharwanee

Dr. Zeinab Pouransari