A numerical method based on Reynolds Averaged Navier–Stokes (RANS) equations and
moving overset mesh technique is developed to simulate the aerodynamics of Harrington …

A high-fidelity coupled computational fluid dynamics and comprehensive analysis solver is
developed for helicopter flight on Mars. The objectives are accurate prediction of flight loads …

SMALL-SCALE multicopter aircraft are continually seen more in many aspects of society,
and their applications stretch far beyond a commercial product. The increasing demand for …

Coaxial rotor systems are appealing for multirotor drones, as they increase thrust without
increasing the vehicle's footprint. However, the thrust of a coaxial rotor system is reduced …

Three-dimensional (3-D) solid finite element analysis (FEA) is used to model and study
coaxial helicopter rotors. The 3-D FEA is coupled with a lifting line aerodynamic model with …

The aerodynamic performance analysis and blade planform design of a coaxial rigid rotor in
forward flight were carried out utilizing CFD solver CLORNS. Firstly, the forward flow field …

Vehicles with coaxial, contra-rotating rotor systems (CACR) are being considered for a
range of applications. Design parameters are identified that effect the fundamental …

The flowfield of a coaxial counter-rotating rotor in hover was measured using particle image
velocimetry. The goal of the measurements was to investigate the flow features of coaxial …

Multirotor vehicles offer access to the skies for users across all walks of life and industry due
to their simplicity, availability, and low cost. Although advancements continue, developers …

Coaxial rotors are nding use in advanced rotorcraft concepts. Combined with lift offset rotor
technology, they offer a solution to the problems of dynamic stall and re-verse ow that often …