2020
DOI: 10.1515/auto-2020-0016
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Transportmodelle für Flüssigkeitsfilme

Abstract: ZusammenfassungDer Beitrag behandelt Modelle für Flüssigkeitsfilme in Rohrleitungen. Da sich das Ein-/Ausgangsverhalten von Flüssigkeitsfilmen nur in grober Näherung mit klassischen Transportmodellen beschreiben lässt, werden zwei neue Modelle entwickelt. Letztere basieren auf Liquidelementen und sind auf andere Transportprozesse, bspw. im Verkehrsfluss, übertragbar. Zusammen mit den jeweiligen Modellannahmen führen fundamentale Bilanzgleichungen auf quasilineare partielle Differentialgleichungen erster Ordnun… Show more

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Cited by 5 publications
(1 citation statement)
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“…3) Reservoirs and Plates: By neglecting flash evaporation, which is small compared to other mass flows, and taking into account that FFEs essentially work around their operation point, we conclude that the dynamics of Reservoirs and Plates can be modeled via low-pass filters, see also [24], [25]. In this context, it is common to approximate a serial connection of low pass filters by a single low pass filter with an additional delay element.…”
Section: A Modulesmentioning
confidence: 97%
“…3) Reservoirs and Plates: By neglecting flash evaporation, which is small compared to other mass flows, and taking into account that FFEs essentially work around their operation point, we conclude that the dynamics of Reservoirs and Plates can be modeled via low-pass filters, see also [24], [25]. In this context, it is common to approximate a serial connection of low pass filters by a single low pass filter with an additional delay element.…”
Section: A Modulesmentioning
confidence: 97%