Semi-Analytical Model of Radiative Heat Transfer and Chemical Reactions in a Boundary Layer

This study examines heat transfer in a chemically reacting boundary layer flow with a hydrolysis reaction. A semi-analytical model is introduced for examining the impact of thermal radiation on the laminar boundary layer in the context of a hydrolysis reaction. Through a similarity transformation, the governing set of Partial Differential Equations in the system are transformed to Ordinary Differential Equations. The model accounts for changes during the process including variations in the specific heat constant and chemical reaction constant. Initially, the model is validated through a formerly established benchmark problem and further expanded to analyze the impacts of radiation terms, variations in specific heat, and modifications in the reaction rate constant. It is reported that during the hydrolysis reaction, it is crucial to account for temperature dependency of the chemical reaction rate constant and effects of specific heat for the operating temperature range. It is also recognized that the thermal radiation term has a significant role in the boundary layer flow. The thickness of the thermal boundary layer was observed to increase with higher radiation parameters. The result of this study provides useful data and trends to better understand the effects of radiation and chemical reactions on the boundary layer characteristics.