Cited by 44Algal biology and biofuel productionFluid Dynamics and MixingAquatic Ecosystems and Phytoplankton Dynamics

Comprehensive computational model for combining fluid hydrodynamics, light transport and biomass growth in a Taylor vortex algal photobioreactor: Lagrangian approach

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Gao, Xi, Kong, Bo, Vigil, R. Dennis·2017·Bioresource Technology

Abstract

A comprehensive quantitative model incorporating the effects of fluid flow patterns, light distribution, and algal growth kinetics on biomass growth rate is developed in order to predict the performance of a Taylor vortex algal photobioreactor for culturing Chlorella vulgaris. A commonly used Lagrangian strategy for coupling the various factors influencing algal growth was employed whereby results from computational fluid dynamics and radiation transport simulations were used to compute numerous microorganism light exposure histories, and this information in turn was used to estimate the global biomass specific growth rate. The simulations provide good quantitative agreement with experimental data and correctly predict the trend in reactor performance as a key reactor operating parameter is varied (inner cylinder rotation speed). However, biomass growth curves are consistently over-predicted and potential causes for these over-predictions and drawbacks of the Lagrangian approach are addressed.

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Crossref · 10.1016/j.biortech.2016.10.080

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Authors
Gao, X., Kong, B., & Vigil, R. D.
Affiliations
Iowa State University (US)
Corresponding author
Vigil, R. Dennis
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2017-01
Volume
224
Pages
523-530
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2548169627
Cited by
44
References
29
Citations by year
2026: 2 · 2025: 2 · 2024: 2 · 2023: 7 · 2022: 4 · 2021: 5 · 2020: 5 · 2019: 5 · 2018: 9 · 2017: 3
FWCI
1.54
Type
journal article
Language
en
Open access
Locations
  • Bioresource Technology (acceptedVersion)
  • PubMed (publishedVersion)
Funders
National Science Foundation (CBET-1236676)
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
algal photobioreactors, Chlorella vulgaris, light distribution, flow patterns, algal growth kinetics, biomass growth rate, radiative transfer, computational fluid dynamics coupling
MeSH terms
Biotechnology, Computer Simulation, Kinetics, Light, Models, Theoretical, Biomass, Chlorella vulgaris, Hydrodynamics, Microalgae, Photobioreactors

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