1989
DOI: 10.1002/cite.330610117
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Lokale fluiddynamische Parameter in Blasensäulenreaktoren bei höheren Flüssigkeitsviskositäten

Abstract: Blasensaulen und Airlift-Schlaufenreaktoren haben wegen ihres einfachen Bauprinzips entscheidende Vorteile gegeniiber anderen Gas/ Fliissigkeits-Reaktoren [l]. Ihre Auslegung ist jedoch haufig mit Problemen verbunden. Der Hauptgrund liegt darin, daB die Modelle, die zur Beschreibung und Berechnung der Gas/Fliissigkeits-Zweiphasenstromung in diesen Reaktoren benutzt werden (siehe z.

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Cited by 7 publications
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“…Before a measurement, the velocity and directional characteristics of the probe must be calibrated in defined flow conditions. The calibration procedures and a more detailed description of the measuring technique are given elsewhere (Menzel et al, 1989; Menzel, 1990). In addition, the local gas holdup was measured by the well-known one-point electroconductivity microprobe technique (Serizawa et 1975; etc.).…”
Section: Introductionmentioning
confidence: 99%
“…Before a measurement, the velocity and directional characteristics of the probe must be calibrated in defined flow conditions. The calibration procedures and a more detailed description of the measuring technique are given elsewhere (Menzel et al, 1989; Menzel, 1990). In addition, the local gas holdup was measured by the well-known one-point electroconductivity microprobe technique (Serizawa et 1975; etc.).…”
Section: Introductionmentioning
confidence: 99%
“…Local liquid velocity and dispersion can be evaluated by a pseudostochastic heat pulse technique (Liibbert and Larson 1985) also in turbid fermentation broths. In broths of moderate turbidity, the local liquid velocities can also be determined by constant temperature-split probes (Menzel et al 1989). Global properties of the multiphase flow can be evaluated by the stimulus-response technique: using tracers in the liquid as well as in the gas phases.…”
Section: Introductionmentioning
confidence: 99%