ABSTRACT

Temperature measurement plays a major role in the understanding of combustion (see Chapter 5). In the design of a burner for an industrial process, the distribution of the gas temperature is very important. For most industrial combustion processes the dominant methods of heat transfer include radiation and convection, which are both dependant on the gas temperature. The burner designer will modify his design to achieve the temperature distribution that suits the industrial process. In recent times the use of computational uid dynamic (CFD) computer models are being used to design burners and furnaces. Along with other measurements, the gas temperature inside the furnace is used by the modeler to explore the regions of reaction and heat release in the ame and to evaluate the model predictions. This chapter deals with a noninvasive method of measuring the gas temperature in furnace ames.