Flame Imaging Using Optical Sensor And Laser

Nur Faiqah , Fauzi (2008) Flame Imaging Using Optical Sensor And Laser. Project Report. UTeM, Melaka,Malaysia. (Submitted)

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Abstract

This project describes an investigation of the combination between optical sensor and laser in flame imaging. The aim of this project is to obtain the concentration profile of the flame to be incorporated in laser-based transmission tomography measurement system for the burning process online monitoring. Tomography method being chosen because it can obtain the concentration profile of the flame with the measurement section in the form of a visual image. This project actually can be applied in industrial heat process such as furnace, oven, and brazing. Tomography method is cheaper and safer than the most of the current methods which mostly made use of radioactive methods. Image of the flame are capture using optical sensors that will be digitalized into a form suitable for computer processing of the flow pictures. This project used two orthogonal projections with one laser source. Laser diode was used as the transmitter and photodiode are used as the receiver. The laser source will supply 16 light beams, so the cross-section of the pipe being interrogated by a total of 16 beams. The flame is placed in specific places in the measurement cross-section and voltage output will calculated by the individual sensor. Besides the hardware, this project includes the use of software which is Visual Basic 6.0 program to visualize the concentration profile of the flame.

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