MODEL FOR EXPERIMENTAL INVESTIGATION OF FLOW OF GAS IN CAVITIES OF DEVICES FOR DECREASE OF REPORT OF RIFLE ARMS

摘要

Model for experimental investigation of gas flow in cavities of devices for decrease of level of report of rifle arms includes unit for fixation to source of blast gas, body with channels with rectangular cross section that has side covers with cylindrical glasses for visualization, inlet cavity with parallel walls with connected to it supersonic nozzle and profiled in form of axial long cross section of the device for decrease of level of report elements and tightening devices. Profiled elements are arranged as assembled by split-guide with slots in plane of walls of inlet cavity with possibility of displacement along it, those have draining openings connected to pressure gauges, and to visualization glasses at side of profiled elements there is connected to cut with plane at angle γ cylindrical ring where γ is angle between cut plane and basis of the cylinder.