FENSAP-ICE Modeling of Ice Accretion on a Helicopter Fuselage in Forward Flight

摘要

While CFD solutions of helicopter flow have increased in the last few years, icing simulations are rare and, to the best of our knowledge, none has modeled helicopter icing completely. In this work, we perform a 3D simulation of rotor-fuselage interaction for long-term in-flight ice accretion. For flow solution, the 3D compressible turbulent Navier-Stokes equations are solved, with the rotor modeled as an actuator disk that imparts radial and azimuthal distributions of pressure rise and swirl to the flow field. Our code, FENSAP-ICE is used to solve the 3D flow, impingement and ice accretion. The flow solutions for the ROBIN test case, at two forward speeds, are obtained and compared with published experimental results and then used to illustrate icing on the helicopter's fuselage.