The current research was carried out on the topic of non-Premixed turbulent flames. The temperature profile of non-premixed turbulent flame of lean L P G- Air mixture (φ = 0.66) were obtained. A simple type of Bunsen burner with two different inside diameter and having two different perforated plates was designed in order to achieve turbulent flow. The temperature was obtained at the two diameters and different positions for perforated plates. The temperature profiles were obtained by using a fine thermocouple at height (3mm) above the burner mouth. The maximum temperature for all cases was found at flame adge, and start decreasing for both sides.

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