Abstract
Keywords: fuel-powered quadrotor aircraft; rotor CFD; match of propeller and engine. Abstract. Quadrotor aircraft has become the forefront and hotspot in the research of the aviation industry. At present, the study of the quadrotor aircraft mainly concentrated in the category of electric quadrotor aircraft. But the electric quadrotor aircraft has a relatively short range and small payload, mainly restricted by battery capacity. In order to improve its shortage, select fuel engine as a driving force of the quadrotor aircraft and variable pitch propeller as its propeller. Using computer CAD technology to establish the modeling of different diameter and pitch propeller, then classify the structural grid, and finally with the help of fluid mechanics computing platforms to simulate the propeller's hover state of different diameter and pitch. Matching characteristics analysis of different calculation results with engine performance parameters was carried and conclusion was drawn about the matching law of fuel-powered quadrotor aircraft propeller and engine. This work can provide reference for the overall design of fuel-powered quadrotor aircraft.
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