Abstract: The aerodynamic properties of thrust-vectoring et vane are studied by six-component forces test and all the forces on the vane flake and the force moments around the vane flake axes are obtainted. The numerical simulations on the around flow of et vane are carried out by using the fluid mechanics principle and non-structure grid technique. The simulation results are in better agreement with those of the test. The change curves of all the forces and the force moments on the vane flake with rotation angles of et vane are also given by the numerical simulations. The calculation results are instructive to the engineering research of thrust-vectoring et vane and it’s related field.

Key words: thrust-vector, et vane, tests, numerical simulation, six-component forces