Sensitivity of the Acoustical Resonance Measurement of Particle Loading in Gas-Solids Flow

Measurement of the frequency of transverse acoustic resonances of a duct can determine the mass loading and size of particles fluidized by a gas phase. A first-order perturbation-iteration acoustic analysis is applied to determine the sensitivity of this two-phase flow measurement, termed the Acoustical Resonance Measurement, to variations in particle size, particle size dispersion, particle heat capacity, temperature, and pressure for the application of pulverized coal fluidized by air.