Application of high optical technologies to determine the temperature field, ingredient composition and microstructure of the dispersed phase of combustion products of energy fuels

Abstract

Application of high optical technologies for determining the temperature field, ingredient composition and microstructure of the dispersed phase of combustion products of power fuels is considered. The temperature of the combustion products is determined by method of the self-reversal of spectral lines. To determine the ingredient composition, the methods of fine-structure spectroscopy are used, when the absorption spectra of flame radiation are measured with a high spectral resolution. Then the ingredients are identified by the position of the spectral lines, and their concentration – by the intensity of the spectral lines at a fixed temperature. The temperature field in the combustion chambers of power plants is reconstructed by the method of numerical simulation of radiation transfer in combustion products of an inhomogeneous radiation propagation medium. The obtained experimental data on optical characteristics are used to solve problems of radiation heat transfer in combustion chambers of power plants with multi-chamber furnaces. Prospects for the creation of high-temperature atlases of the parameters of spectral lines of the ingredients of the gas phase of combustion products and their application in promising developments of power plants and in rocket technology are considered.