METHOD AND DEVICE FOR MEASURING THE DISTRIBUTION OF THERMAL FLOW AND COEFFICIENT OF HEAT TRANSFER ON THE SURFACE OF A COOLED COMPONENT USED IN A HIGH TEMPERATURE ENVIRONMENT

摘要

P The distribution of heat flux and heat transfer coefficient is determined on a surface of a component 12 used in a high temperature environment by supplying the component with a refrigerant having predetermined characteristics and measuring the distribution of the temperature on a predetermined surface. The heat flux at each point of measurement of the surface temperature of the component is determined from heat flux calibration data obtained before the component is put into service and while operating under normal cooling conditions. The coefficient of heat transfer at various locations of the component surface is determined from the heat flux indicated by flow calibration data, surface temperature, and environmental temperature in which the component is located. / P P Application to the design of cooled components used in machines. / P