Cited by 131Fluid Dynamics and MixingGranular flow and fluidized bedsParticle Dynamics in Fluid Flows

Dynamic Behavior of Microbial Populations in Stirred Bioreactors Simulated with Euler–Lagrange Methods: Traveling along the Lifelines of Single Cells

Lapin, Alexei, Müller, Dirk, Reuss, Matthias·2004·Industrial & Engineering Chemistry Research

Abstract

In the present work, an Euler−Lagrange approach has been applied to characterize the behavior of a heterogeneous cell population in a stirred-tank bioreactor with nonideal mixing. It allows one to describe population behavior as the outcome of the interaction between the intracellular state of its individual cells and the turbulent flow field in the reactor. The modeling approach and the numerical method employed are based on an Euler−Lagrange formulation of the system combined with a fractional-step method to allow for a stable, accurate, and numerically efficient solution of the underlying equations. This strategy permits one to account for the heterogeneity present in real reactors in both the fluid and cellular phases, respectively. Three examples are used to illustrate the application of this approach. The suggested method is easily transferable to similar problems requiring a segregated and high-dimensional description of the internal structure of the corpuscular phase, which usually precludes the application of population balance equations.

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Crossref · 10.1021/ie030786k

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Authors
Lapin, A., Müller, D., & Reuss, M.
Affiliations
University of Stuttgart (DE)
Venue
Industrial & Engineering Chemistry Research
Published
2004-06-25
Volume
43
Issue
16
Pages
4647-4656
ISSN
  • 0888-5885 (ISSN-L)
  • 1520-5045
OpenAlex
W1974033770
Cited by
131
References
35
Citations by year
2026: 8 · 2025: 10 · 2024: 11 · 2023: 6 · 2022: 17 · 2021: 4 · 2020: 10 · 2019: 4 · 2018: 12 · 2017: 9 · 2016: 7 · 2015: 1 · 2014: 6 · 2013: 5 · 2012: 3
FWCI
1.03
Type
journal article
Language
en
Open access
closed
Locations
Industrial & Engineering Chemistry Research (publishedVersion)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Fluid Dynamics and Mixing
  • Physical Sciences › Engineering › Computational Mechanics › Granular flow and fluidized beds
  • Physical Sciences › Engineering › Ocean Engineering › Particle Dynamics in Fluid Flows
Keywords
microbial population dynamics, stirred tank bioreactor, non-ideal mixing, Euler-Lagrange method, heterogeneous cell populations, turbulent flow field, fractional step method, population balance equation, single-cell trajectory

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