Cited by 104Algal biology and biofuel productionFluid Dynamics and MixingGreenhouse Technology and Climate Control

A light distribution model for an internally radiating photobioreactor

Suh, In Soo, Lee, Sun Bok·2003·Biotechnology and Bioengineering

Abstract

Analysis of light energy distribution in culture is important for maximizing the growth efficiency of photosynthetic cells and the productivity of a photobioreactor. To characterize the irradiance conditions in a photobioreactor, we developed a light distribution model for a single-radiator system and then extended the model to multiple radiators using the concept of parallel translation. Mathematical expressions for the local light intensity and the average light intensity were derived for a cylindrical photobioreactor with multiple internal radiators. The proposed model was used to predict the irradiance levels inside an internally radiating photobioreactor using Synechococcus sp. PCC 6301 as a model photosynthetic microorganism. The effects of cell density and radiator number were interpreted through photographic and model simulation studies. The predicted light intensity values were found to be very close to those obtained experimentally, which suggests that the proposed model is capable of accurately interpreting the local light energy profiles inside the photobioreactor system. Due to the simplicity and flexibility of the proposed model, it was also possible to predict the light conditions in other complex photobioreactors, including optical-fiber and pond-type photobioreactors.

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Crossref · 10.1002/bit.10558

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Authors
Suh, I. S., & Lee, S. B.
Affiliations
Pohang University of Science and Technology (KR)
Corresponding author
Lee, Sun Bok
Venue
Biotechnology and Bioengineering
Publisher
Wiley
Published
2003-02-12
Volume
82
Issue
2
Pages
180-189
ISSN
  • 0006-3592 (ISSN-L)
  • 1097-0290
OpenAlex
W2114699988
Cited by
104
References
39
Citations by year
2026: 2 · 2025: 2 · 2024: 2 · 2023: 4 · 2022: 5 · 2021: 9 · 2020: 4 · 2019: 5 · 2018: 1 · 2017: 6 · 2016: 7 · 2015: 11 · 2014: 9 · 2013: 5 · 2012: 5
FWCI
2.56
Type
journal article
Language
en
Open access
closed
Locations
  • Biotechnology and Bioengineering (publishedVersion)
  • PubMed (publishedVersion)
  • Open Access System for Information Sharing (Pohang University of Science and Technology) (submittedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Biomedical Engineering › Fluid Dynamics and Mixing
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Greenhouse Technology and Climate Control
Keywords
irradiance, parallel translation, photosynthetic microorganisms, cell density effects
MeSH terms
Cyanobacteria, Computer Simulation, Equipment Design, Light, Models, Biological, Photosynthesis, Radiometry, Scattering, Radiation, Sensitivity and Specificity, Reproducibility of Results, Photobiology, Bioreactors

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