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**Harvard**

Sasic, S., Leckner, B. och Johnsson, F. (2007) *Characterization of fluid dynamics of fluidized beds by analysis of pressure fluctuations *.

** BibTeX **

@article{

Sasic2007,

author={Sasic, Srdjan and Leckner, Bo and Johnsson, Filip},

title={Characterization of fluid dynamics of fluidized beds by analysis of pressure fluctuations },

journal={Progress in Energy and Combustion Science},

issue={33},

pages={453-496},

abstract={This paper reviews procedures for investigating the fluid-dynamic behavior of gas–solid fluidized beds using pressure
signals as obtained from modeling or experiments. The procedures studied are applicable to all types of fluidized-bed
reactor. Models generating pressure data in such systems are presented with respect to complexity and amount of
information provided. There is a discussion on how a calculated pressure can be compared to a measured signal in order to
create a reliable representation of the fluid dynamics of the system. The type of information resulting from various ways of
measuring the pressure in fluidized beds is discussed, as well as the use of absolute versus differential pressure probes. Time
series analysis is reviewed; it can be applied to modeled and measured pressure signals in time, frequency, time–frequency
and state space. Also, recommendations are provided on the use of the methods of analysis examined. The sources of
pressure fluctuations, propagation features and the nature of pressure waves in fluidized beds are discussed. Finally,
examples from the literature are presented, illustrating the outcome of the procedures discussed.},

year={2007},

keywords={Pressure; Fluid dynamics; Fluctuations; Waves; Fluidized bed; Modeling; Measurements; Signal analysis},

}

** RefWorks **

RT Journal Article

SR Print

ID 47157

A1 Sasic, Srdjan

A1 Leckner, Bo

A1 Johnsson, Filip

T1 Characterization of fluid dynamics of fluidized beds by analysis of pressure fluctuations

YR 2007

JF Progress in Energy and Combustion Science

IS 33

SP 453

OP 496

AB This paper reviews procedures for investigating the fluid-dynamic behavior of gas–solid fluidized beds using pressure
signals as obtained from modeling or experiments. The procedures studied are applicable to all types of fluidized-bed
reactor. Models generating pressure data in such systems are presented with respect to complexity and amount of
information provided. There is a discussion on how a calculated pressure can be compared to a measured signal in order to
create a reliable representation of the fluid dynamics of the system. The type of information resulting from various ways of
measuring the pressure in fluidized beds is discussed, as well as the use of absolute versus differential pressure probes. Time
series analysis is reviewed; it can be applied to modeled and measured pressure signals in time, frequency, time–frequency
and state space. Also, recommendations are provided on the use of the methods of analysis examined. The sources of
pressure fluctuations, propagation features and the nature of pressure waves in fluidized beds are discussed. Finally,
examples from the literature are presented, illustrating the outcome of the procedures discussed.

LA eng

OL 30