Analysis of the aerodynamic performance of a twin-propelled wall-climbing robot based on computational fluid dynamics method

We present a twin-propelled wall-climbing robot that can stably adsorb and move quickly on a vertical wall by exploiting the propeller’s reverse thrust as the adsorption force and the wheel as the movement method. This paper derives and theoretically analyses the aerodynamic characteristics of the twin-propelled wall-climbing mobile robot system exploiting the momentum inflow model and blade element theory and measures the reverse thrust of a single propeller through real-world experiments. Additionally, Computational Fluid Dynamics simulation software analyzes the influence of structural parameters, such as the lateral spacing of the twin-propeller fixed plate, the width of the fixed-rotor plate, and the inclination angle of the double-rotor on the airflow around the robot. Experiments on the adsorption and movement performance of the dual-rotor wall-climbing robot on a vertical wall demonstrate that the designed twin-propelled wall-climbing robot can stably adsorb and move on a vertical wall.

Abstract licence: CC BY

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