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@INPROCEEDINGS{Loomba:827104,
      author       = {Loomba, Varun and Huber, Gregor and von Lieres, Eric},
      title        = {{C}omputational analysis of hydrodynamics and light
                      distribution in photo-bioreactors for algae biomass
                      production},
      school       = {RWTH Aachen},
      reportid     = {FZJ-2017-01302},
      year         = {2016},
      abstract     = {Microalgae can be directly used in health food or as
                      bio-filters for waste water treatment. They also have
                      numerous commercial applications in cosmetics, aquaculture
                      and chemical industry as a source of highly valuable
                      molecules, e.g., polyunsaturated fatty acids [1]. Moreover,
                      they are increasingly recognized as a promising source for
                      biodiesel production [2]. To realize the full potential of
                      microalgae, optimal operating conditions for their
                      cultivation in photo-bioreactors (PBR) need to be identified
                      in order to maximize productivity, lipid content, and
                      efficiency of photosynthesis. The most important parameters
                      affecting PBR performance are reactor shape, light intensity
                      distribution, algae growth and other metabolic
                      properties.The presented study aims at optimizing these
                      parameters using Computational Fluid Dynamics (CFD)
                      simulations with the COMSOL Multiphysics software.
                      Specifically, flat panel photo-bioreactors with turbulent
                      mixing due to air sparging and one-sided lighting are
                      studied. First, flow profiles of both liquid and gas phases
                      are computed using the Turbulent Bubbly Flow approach for
                      analyzing the air sparging and detecting potential dead
                      zones for different shapes of flat panel PBR. Then, light
                      intensity distributions are calculated inside the PBR, based
                      on absorption and light scattering by algae and gas bubbles.
                      Subsequently, the Particle Tracing module is used to
                      determine the paths of individual algae cells and the
                      environmental conditions they are exposed to are recorded
                      over time, in particular aeration and light intensity.
                      Results of the above described simulation stages will be
                      presented and discussed.[1] Spolaore et al.: Commercial
                      applications of microalgae, J. Biosci. Bioeng. 101 (2006):
                      87-96.[2] Bitog et al.: Application of computational fluid
                      dynamics for modeling and designing photobioreactors for
                      microalgae production: A review, Comput. Electron. Agr. 76
                      (2011): 131-147.},
      month         = {Oct},
      date          = {2016-10-12},
      organization  = {COMSOL Conference 2016, Munich
                       (Germany), 12 Oct 2016 - 14 Oct 2016},
      subtyp        = {After Call},
      cin          = {IBG-2 / IBG-1},
      cid          = {I:(DE-Juel1)IBG-2-20101118 / I:(DE-Juel1)IBG-1-20101118},
      pnm          = {89582 - Plant Science (POF2-89582) / 89581 - Biotechnology
                      (POF2-89581)},
      pid          = {G:(DE-HGF)POF2-89582 / G:(DE-HGF)POF2-89581},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/827104},
}