About: Physical Characteristics of Fluidized Beds via Pressure Fluctuation Analysis

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Vyvinuta a aplikována analytická metoda ke stanovení fyzikálních vlatností fluidní vrstvy, založená na spektrální analyze časových řad tlakových fluktuací, které reflektují aktuální hydrodynamický stav vrstvy. (cs) During various applications of gas fluidized units, the state/quality of the fluidized bed of solids can change due to changes in operation conditions or variations in the gas or solid feed. An analysis method is developed and applied which employs spectra of the Fast Fourier Transform of measured pressure fluctuations within the fluidized bed. The procedure is based upon the spectral analysis of successive time series of pressure fluctuations reflecting the actual hydrodynamic state (regime) of the bed. Practical application of the method is illustrated for fluidization at ambient temperature and pressure of spherical particles (glass beads) as well as irregularly shaped particles (limestone, sulfated limestone, and dried sewage sludge), in an 8-cm – ID fluidized bed. Using air, experiments were conducted with different fractions of the materials spanning a very wide range of 0.28 – 4.5 mm. During various applications of gas fluidized units, the state/quality of the fluidized bed of solids can change due to changes in operation conditions or variations in the gas or solid feed. An analysis method is developed and applied which employs spectra of the Fast Fourier Transform of measured pressure fluctuations within the fluidized bed. The procedure is based upon the spectral analysis of successive time series of pressure fluctuations reflecting the actual hydrodynamic state (regime) of the bed. Practical application of the method is illustrated for fluidization at ambient temperature and pressure of spherical particles (glass beads) as well as irregularly shaped particles (limestone, sulfated limestone, and dried sewage sludge), in an 8-cm – ID fluidized bed. Using air, experiments were conducted with different fractions of the materials spanning a very wide range of 0.28 – 4.5 mm. (en)
Title	Physical Characteristics of Fluidized Beds via Pressure Fluctuation Analysis Fyzikální charakteristiky fluidních vrstev cestou analýzy tlakových fluktuací (cs) Physical Characteristics of Fluidized Beds via Pressure Fluctuation Analysis (en)
skos:prefLabel	Physical Characteristics of Fluidized Beds via Pressure Fluctuation Analysis Fyzikální charakteristiky fluidních vrstev cestou analýzy tlakových fluktuací (cs) Physical Characteristics of Fluidized Beds via Pressure Fluctuation Analysis (en)
skos:notation	RIV/67985858:_____/08:00309028!RIV09-AV0-67985858
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA400720701), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Hartman, Miloslav Trnka, Otakar
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	386620
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/08:00309028
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	gas-solid fluidization; pressure fluctuations; fluctuation characteristics (en)
http://linked.open.../riv/klicoveSlovo	pressure fluctuations fluctuation characteristics gas-solid fluidization
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[7AE74C7822A6]
http://linked.open...i/riv/nazevZdroje	AIChE Journal
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Fluidization and decontamination of organic-polluted solids in a fluid-bed reactor
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	54
http://linked.open...iv/tvurceVysledku	Hartman, Miloslav Trnka, Otakar
http://linked.open...ain/vavai/riv/wos	257040300007
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection
issn	0001-1541
number of pages	9 (xsd:int)

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