Detecting regime transitions in gas-solid fluidized beds from low frequency accelerometry signals

►Direct accelerometry signals are corrupted by the vessel dynamics. ►Envelope signal is more related to the forces that take place inside the bed. ►To have a useful envelope the slow varying envelope conditions must be satisfied. ►The envelope process can be used to accurately determine regime transitions. ►Potential use of accelerometers instead of pressure transducers for monitoring FB's.