Flame imaging in meso­scale porous media burner using ECT

Chen Qi1, Li Xuedong1, Liu Shi2

1. School of Mechanical Electronic and Control Engineering, Beijing Jiaotong University, Beijing, 100049,China, email: qchen@bjtu.edu.cn

2. North China Electrical Power University , Beijing, 102206. China.

   
   

   Abstract

   The study has been conducted to investigate the characteristics of meso­scale combustion. Combustion visualization including igniting, quenching and unsteady combustion have been obtained using ECT system which would have significant impact on micro­power systems and other advanced combustion technology. The method of metallization protecting ECT sensor from high temperature damage and the novel calibration method adapting to ECT monitoring of unknown permittivity flame have been shown in this paper. At the same time, the electric nature of combustion and the imaging principle were studied which would make the general technique even more useful for the monitoring and control of combustion process.

   
   

   Key words: ECT, meso­scale, combustion