METHOD FOR DETERMINATION OF DYNAMIC CHARACTERISTICS OF ELASTIC STRUCTURE WITH TANKS PARTIALLY FILLED WITH FUEL SIMULATOR

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to field experimental research on the dynamic characteristics of the aircraft, in particular to a roof experiment. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improved accuracy u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 dynamic characteristics.the dynamic characteristics of the elastic design method of u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 u0437u0430u043au043bu044eu0447u0430u0435u0442u0441u00a0 in using models in model of wing tanks filled with a fuel, and the frequency of testing bench, and a simulator of fuel u0438u0441u043fu043eu043bu044cu0437u0443u0435u0442u0441u00a0 3 - 4% solution u0442u0438u043eu0444u0438u043bu044cu043du043eu0433u043e type colloid, such as gelatin or agar - agra, and u0438u0441u043fu044bu0442u0430u043du0438u00a0 u043fu0440u043eu0432u043eu0434u00a0u0442 in two phases.u0441u043du0438u043cu0430u00a0 frequency characteristics of the wing tank filler with the liquid, u043du0430u0433u0440u0435u0442u043eu043c to 50 - 60u0440u0441 filler, and u0437u0430u0442u0432u0435u0440u0434u0435u0432u0448u0435u043c, at a temperature of 20 & deg; c filler, and finger the practical dynamic characteristics model of elastic structures with partially filled tanks receive the correction coefficients. 1 il.