Open AccessAerodynamics Characteristics of Compound Delta Wing at Sea Level
Author(s) -
Gaurav Gupta,
Pranav Tiwari,
Bhanu Pratap Vatsa,
Aashish Anand Sahay,
K. S. Srikanth,
Shrikant Vidya
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1149/1/012027
Subject(s) - supersonic speed , delta wing , vortex lift , mechanics , vortex , angle of attack , physics , aerodynamics , aerospace engineering , lift coefficient , shock (circulatory) , lift (data mining) , drag , turbulence , engineering , reynolds number , computer science , medicine , data mining
Compound delta-wing aircraft are in the top tier for great maneuverability and satisfactory take-off and landing speeds and low distance as delta wing have a property of vortex generation at different speeds, during flight the property of vortex generated depends on factors like the coefficient of lift, coefficient of drag and shock wave impact absorption upon varying speed from subsonic speed and supersonic speed with changing attack angle is studied by flow visualization of the wing in Ansys Fluent using ’k-ε 2 nd equation model’ to simulate mean flow characteristics for turbulent flow conditions. Vortex generation is studied for flow physics at Subsonic speed and Supersonic speed at sea level over Pressure and Density based respectively. The flow velocity at Subsonic is 260m/s and 686m/s for Supersonic. During the experiment, we observed that the vortex flow generation of observable output starts forming at 5° angle of attack following a powerful vortex at 10° leading to a shortfall powerful vortex at 15° for both subsonic and supersonic speeds but as velocity is more in the supersonic state the vortex is denser and more stable and provides better shock absorption while transitioning on higher attack angle and lift force is very sensitive for the supersonic state as drag is substantially increased with speed.