Cited by 136Algal biology and biofuel productionFluid Dynamics and MixingAquatic Ecosystems and Phytoplankton Dynamics

Analyzing and modeling of photobioreactors by combining first principles of physiology and hydrodynamics

Luo, Hu‐Ping, Al‐Dahhan, Muthanna H.·2004·Biotechnology and Bioengineering

Abstract

Mixing in photobioreactors is known to enhance biomass productivity considerably, and flow dynamics play a significant role in the reactor's performance, as they determine the mixing and the cells' movement. In this work we focus on analyzing the effects of mixing and flow dynamics on the photobioreactor performance. Based on hydrodynamic findings from the CARPT(Computer Automated Radioactive Particle Tracking) technique, a possible mechanism for the interaction between the mixing and the physiology of photosynthesis is presented, and the effects of flow dynamics on light availability and light intensity fluctuation are discussed and quantitatively characterized. Furthermore, a dynamic modeling approach is developed for photobioreactor performance evaluation, which integrates first principles of photosynthesis, hydrodynamics, and irradiance distribution within the reactor. The results demonstrate the reliability and the possible applicability of this approach to commercially interesting microalgae/cyanobacteria culture systems.

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Crossref · 10.1002/bit.10831

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  • In pneumatically agitated photobioreactors, the cell motion is mainly governed by chaotic and non-regular vortices, and simulating such flows requires accurate modeling of turbulence and momentum transfer between the gas and liquid phases.

    “Here, the cell motion is mainly governed by chaotic and non-regular vortices [105,106], and simulating such flows requires the accurate modeling of turbulence and momentum transfer between the gas and liquid phases.”

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Authors
Luo, H., & Al‐Dahhan, M. H.
Affiliations
Washington University in St. Louis (US)
Venue
Biotechnology and Bioengineering
Publisher
Wiley
Published
2004-01-14
Volume
85
Issue
4
Pages
382-393
ISSN
  • 0006-3592 (ISSN-L)
  • 1097-0290
OpenAlex
W1981407252
Cited by
136
References
37
Citations by year
2025: 4 · 2024: 6 · 2023: 5 · 2022: 5 · 2021: 7 · 2020: 7 · 2019: 8 · 2018: 8 · 2017: 10 · 2016: 3 · 2015: 7 · 2014: 7 · 2013: 10 · 2012: 9
FWCI
3.13
Type
journal article
Language
en
Open access
closed
Locations
  • Biotechnology and Bioengineering (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Biomedical Engineering › Fluid Dynamics and Mixing
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
Keywords
photobioreactors, mixing, flow dynamics, photosynthesis, light availability, irradiance distribution, fluctuating light, microalgae cultivation, cyanobacteria, dynamic modeling, biomass productivity
MeSH terms
Cyanobacteria, Equipment Design, Industrial Microbiology, Light, Models, Biological, Photosynthesis, Physiology, Rheology, Computer-Aided Design, Photobiology, Cell Culture Techniques, Bioreactors, Equipment Failure Analysis

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