DEVICE FOR MEASURING GAS DYNAMIC LOADS ON MODELS OF ELEMENTS OF A STARTING STRUCTURE IN A GAS DYNAMIC STAND WITH A MODEL ENGINE UNIT

摘要

The proposal relates to the field of experimental aerogasdynamics and can be used in gas-dynamic model tests of launch structures (SS) and their elements in gas-dynamic stands. The problem to be solved by this proposal is to increase the accuracy of measurements in determining the force-moment loads on elements of launch structures (ESS) : service platforms, cable masts, etc. This result is achieved by the fact that in a device for measuring gas-dynamic loads on models of elements of a launch structure in a gas-dynamic stand with a model propulsion system (MDU) containing multicomponent tensometric dynamometers (strain gauges - TV), installed in the case of the SS model and each connected with its own metric part with the corresponding tested ESS, the connection of the ESS with the metric part of the TV is carried out by means of inserted adapters, isolated from contact with the model case, while these adapters and TV are isolated from the impact the flow of jets of the MDS of the stand by the walls of the model body, and the TVs are oriented in the direction of the expected positions of the center of pressure of the indicated jets on the corresponding ESS. 3 ill.