DEVICE AND METHOD FOR COOLING friction pairs of belt-drum brakes

摘要

1.the device u0434u043bu00a0 u043eu0445u043bu0430u0436u0434u0435u043du0438u00a0 couples u0442u0440u0435u043du0438u00a0 u043bu0435u043du0442u043eu0447u043du043e - u043au043eu043bu043eu0434u043eu0447u043du043eu0433u043e brake comprising a brake ribbon with frictional pads, brake pulley, is in the form of u0441u0435u0433 u043cu0435u043du0442u043du044bu0445 parts with u043fu043eu043bu043eu0441u0442u00a0u043cu0438, filled u0442u0435u043fu043bu043eu043du043eu0441u0438u0442u0435u043bu00a0u043cu0438, u043fu0435u0440u0432u0430u00a0 made of u0442u0435u0440u043cu043eu043cu0430u0433u043du0438u0442u043du043eu0433u043e material and u0432u0442u043eu0440u0430u00a0 from u043fu0430u0440u0430u043cu0430u0433u043du0438u0442u043du043eu0433u043e material through u0442u0435u043fu043bu043eu0438u0437u043e u043bu00a0u0446u0438u044e which skipped u0442u0435u043fu043bu043eu043fu0440u043eu0432u043eu0434u043du044bu0435 plate heat exchanger circuit.having the lower hydraulic resistance, u0441u043eu043eu0431u0449u0430u044eu0449u0438u0439u0441u00a0 with first and second circuit gives heat exchanger with high hydraulic resistance, as well as the u0440u043eu0438u0434u0430u043bu044cu043du044bu0439 magnet, located by the ends u0448u043au0438u0432u0430 with u0441u0432u0435u0440u0445u043fu0440u043eu0432u043eu0434u00a0u0449u0438u0435 winding system and u043eu0445u043bu0430u0436u0434u0435u043du0438u00a0, u0441u043eu043eu0431u0449u0430u044eu0449u0443u044eu0441u00a0 with a second circuit of the heat exchanger. u0442u043bu0438u0447u0430u044eu0449u0435u0435u0441u00a0, brake u0448u043au0438u0432u0430 cavity filled with liquid helium.a system u043eu0445u043bu0430u0436u0434u0435u043du0438u00a0 u0442u043eu0440u043eu0438u0434u0430u043bu044cu043du043eu0433u043e magnets, liquid nitrogen, and the systems are connected further through the second coolant heat exchanger.;2.method u043eu0445u043bu0430u0436u0434u0435u043du0438u00a0 couples u0442u0440u0435u043du0438u00a0 u043bu0435u043du0442u043eu0447u043du043e - u043au043eu043bu043eu0434u043eu0447u043du043eu0433u043e brake comprising a brake ribbon with frictional pads, brake pulley made of two u0441u0435u0433u043cu0435u043d u0442u043du044bu0445 parts with u043fu043eu043bu043eu0441u0442u00a0u043cu0438, filled u0442u0435u043fu043bu043eu043du043eu0441u0438u0442u0435u043bu00a0u043cu0438, u043fu0435u0440u0432u0430u00a0 made of u0442u0435u0440u043cu043eu043cu0430u0433u043du0438u0442u043du043eu0433u043e material and u0432u0442u043eu0440u0430u00a0 from u043fu0430u0440u0430u043cu0430u0433u043du0438u0442u043du043eu0433u043e material through u0442u0435u043fu043bu043eu0438u0437u043eu043bu00a0u0446 iue that skipped u0442u0435u043fu043bu043eu043fu0440u043eu0432u043eu0434u043du044bu0435 plate heat exchanger circuit.having the lower hydraulic resistance, u0441u043eu043eu0431u0449u0430u044eu0449u0438u0439u0441u00a0 with first and second circuit gives heat exchanger with high hydraulic resistance, as well as the u0440u043eu0438u0434u0430u043bu044cu043du044bu0439 magnet, located by the ends u0448u043au0438u0432u0430 with u0441u0432u0435u0440u0445u043fu0440u043eu0432u043eu0434u00a0u0449u0443u044e coil and system u043eu0445u043bu0430u0436u0434u0435u043du0438u00a0, u0441u043eu043eu0431u0449u0430u044eu0449u0443u044eu0441u00a0 with a second circuit of the heat exchanger. u0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 orderthe first heat exchanger cools the liquid phase (nitrogen and helium) and turns it into u0433u0430u0437u043eu0436u0438u0434u043au043eu0441u0442u043du0443u044e mixture (gaseous helium and liquid nitrogen) and contributes to the u0440u0430u0449u0435u043du0438u0438 u0448u043au0438u0432u0430 under the action of centrifugal force are liquid nitrogen in the second cavity and its system u043eu0445u043bu0430u0436u0434u0435u043du0438u00a0 magnet.;3. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 2, so that the second circuit heat exchanger provides the further cooling of the liquid phase and the gas u0433u0435u043bu0438u00a0 and benefit from it between its partial mixture with liquid nitrogen.