DEVICE FOR MEASURING vector components aerodynamic forces and aerodynamic moments

摘要

The utility model relates to aeromechanical measurements, in particular to the measurement of the vector components of the aerodynamic force and moment acting on the model in a wind tunnel. An apparatus for measuring vector components of the aerodynamic force and aerodynamic torque comprises multicomponent strain scales, mounted on bearings and connected to the test model the load cell to determine the transverse components of the aerodynamic forces and aerodynamic torque embodied in the form of the support device, and a load cell for measuring the longitudinal component of the vector aerodynamic resistance, made in the form of a rope. The support device consists of front and rear horizontal beams, front, middle and rear struts, and rods. The front and rear beams are interconnected to move longitudinally and secured by pivot links to strain sensitive elements multicomponent weights, one also has the possibility of longitudinal movement on the support. Front pillar upper part is connected to the front frame to move vertically, and the lower part is movably connected to the test model. Average Front upper portion connected to the front part of the rear beam is vertically movable and the lower part is movably connected to the test model. Rear Front upper portion fixedly connected to the rear part of the rear beam and the lower part is movably connected to the test model. The rod top portion is movably connected to the front leg and the lower part is movably connected to the test model. The rope connects experienced by a model with multi-sensor strain gauge scales. Using the device for measuring vector components of the aerodynamic force and aerodynamic torque with high accuracy to determine aerodynamic characteristics of the various test models with regard to their interference with the various parameters of their mutual arrangement. 1 bp 1 yl.