INSTALLATION FOR STUDYING HEAT-SHIELDING PROPERTIES OF MATERIALS IN HIGH-TEMPERATURE GAS FLOW Russian patent published in 2023 - IPC G01N25/50 

FIELD: heat-shielding materials.

SUBSTANCE: invention relates to installations for the experimental study of heat-shielding materials for various fields of technology and can be used to determine several key parameters that determine the quality of the heat-shielding material. The installation for studying the heat-shielding properties of materials in a high-temperature gas flow contains a heat flux source made in the form of a burner of high-temperature gases, a system for controlling and monitoring the flows of initial gases, a mechanism for installing and positioning a sample of the material under test in the form of a plate, a cooling system for the burner nozzle and sample holder, thermocouples located on the sample surface opposite from the gas flow, computer information processing devices and a control panel. The burner, with the axis of the nozzle coinciding with the axis of symmetry of the sample, which creates a high-temperature and high-enthalpy gas flow in the direction perpendicular to the surface of the material under study, is equipped with an auto-ignition mechanism, while the diameter of the burner nozzle is varied using a mouthpiece. The test material sample is made in the form of a square plate fixed in a holder, which is mounted on a two-coordinate mechanism. Also, the installation is equipped with a pyrometer to determine the temperature on the surface of the sample and a light-sensitive sensor to determine the burn time of the sample.

EFFECT: determination in one experiment of the heat-shielding properties of the sample and the rate of entrainment of the mass of the sample, reducing the time and number of tests by determining several characteristics of the material in one experimental study.

1 cl, 1 dwg