Annular electrode electrostatic method of dilute phase gas-solid two-phase flow concentration measurement

The measurement of solid phase particles concentration is one of the key parameters of gas-solid two-phase flow detection. This paper studies the method which is solid phase particles concentration of gas-solid two-phase flow detection based on the annular electrode electrostatic sensors. On the basis of existing annular electrode electrostatic sensors, through the method of experiment and derivation, the correlative relationship between electrostatic signal fluctuation and solid phase particles concentration is verified. Further analysis shows that using the standard deviation of electrostatic signal detecting solid phase particles relative concentration is feasible.