Aero-engine scale deposition simulation experiment test equipment and use method thereof

The invention discloses aero-engine scale deposition simulation experiment test equipment which comprises a powder feeding system, a measuring system and a wind tunnel system, the powder feeding system is installed at the top of the air inlet end of the wind tunnel system, a power device is installed at the tail end of the wind tunnel system, and the measuring system is installed at the upper end of the middle of the wind tunnel system; the powder feeding system is used for conveying scale deposition particles into the wind tunnel system; the measuring system is used for measuring experimental parameters; and the power device is used for providing stable airflow required by an experiment. The device highly restores the scale deposition condition of an aircraft under the flight environment condition, is high in measurement precision, can visually observe the scale deposition process, is small in size, is high in automation degree, is simple and convenient in operation process, can simulate different scale depo