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Temperature Measurement of a Candle Flame using a CCD Camera

Temperature Measurement of a Candle Flame using a CCD Camera. Arpit Patel, ECS Final Year Supervisor: Dr G Lu. Introduction. Flame temperature is needed to measure in a combustion system for evaluating the combustion efficiency and emission formation process.

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Temperature Measurement of a Candle Flame using a CCD Camera

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  1. Temperature Measurement of a Candle Flame using a CCD Camera Arpit Patel, ECS Final Year Supervisor: Dr G Lu

  2. Introduction • Flame temperature is needed to measure in a combustion system for evaluating the combustion efficiency and emission formation process. • Flame temperature is difficult to measure as its temperature is very high. • Remote and online flame temperature measurement is desirable. • Imaging based technique such as CCD camera brought in a new dimension to temperature measurement.

  3. Objective of the Project • The project aims to develop a prototype imaging system for the temperature measurement of a candle flame. • The imaging system is to be designed and implemented, which will consist of a CCD camera, optical filters and signal processing software. • The system software is to be developed to process the flame images captured by the camera and calculate the temperature of the flame.

  4. Technical Approach • The system developed will working on the two-colour temperature measurement principle. • The two-colour method is based on Planck’s Radiation Law which indicates that spectral radiation of a blackbody is a function of temperature for a given wavelength. • The radiation intensity emitted from particles in the flame at two different wavelengths will be used to calculate the temperature.

  5. Schematic Diagram of the System 12V DC Camera Power 9V DC Motor & Board Power Filter holder Motor Control Tool Motor Controller Analog to USB Converter Motor Control Board Graphical Interface Frame Grabber Image Analysis & Temperature Calculations Optical Filters

  6. Flow Chart of the Measurement Image Capture at Filter 1 Image Capture at Filter 2 Calculation & Display of Average Image for Filter 1 Calculation & Display of Average Image for Filter 2 Noise Elimination Calculation of Average Temperature Calculation of Temperature Distribution Temperature Histogram Calculation Processing of Results Display Results

  7. Specification of Main Components

  8. Initial Design of the System Interface Menu bar for saving results, diagnosing the camera and interface board connection and help Average Image captured from Optical Filter 1 Temperature distribution of the flame Live Camera View Temperature histogram with temperature intensity over the flame Average Image captured from Optical Filter 2 Manual capture by selecting the desired wavelength Mean Values for the flame temperature Auto capture

  9. Budget

  10. Project Plan

  11. Thank you for your attention Any questions

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