線状加熱における燃焼流場から鋼板への熱移動に関する研究

概要

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In order to automate the line heating process, heat transfer between flame and plate has to be solved theoretically. However, there is no close calculation and experiment in the high temperature and velocity flow field such as line heating process, and above heat transfer has not been clarified yet. The aim of this study, as the first step to analyze heat flux between gas and plate, is to clarify the heat transfer and heat conduction in combustion flow field from nozzle exit to plate surface during spot heating. 3-dimensional computer code for calculating combustion and flow of gases is developed. Using this code, impinging turbulent gas jet flame and flow field are closely analyzed. Heat conduction into the plate and heat transfer between plate and low-temperature gas at the back of plate have strong effect on the flow field. These heat transfer phenomena at the steel plate is also considered.
社団法人日本船舶海洋工学会の論文