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Other Algae01:19

Other Algae

The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
Designing Growth Media for Bioreactors01:30

Designing Growth Media for Bioreactors

Growth media provide essential nutrients that support cell growth and metabolism, thereby enhancing the yield of valuable products such as enzymes, antibiotics, and biomass. Designing an effective growth medium involves balancing all components to prevent nutrient limitations or toxic excesses, both of which can impair growth and reduce product yields.Composition of a Typical Growth MediumA typical growth medium contains carbon and nitrogen sources, salts, vitamins, trace elements, and...
Design Example: Design of an Irrigation Channel01:27

Design Example: Design of an Irrigation Channel

Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...
Overview of Algae01:28

Overview of Algae

The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...

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Related Experiment Video

Updated: Jun 12, 2026

Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation
08:17

Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation

Published on: August 14, 2020

Modeling algae growth in an open-channel raceway.

Scott C James1, Varun Boriah

  • 1Sandia National Laboratories, Thermal/Fluid Science and Engineering, Livermore, California 94551-0969, USA. scjames@sandia.gov

Journal of Computational Biology : a Journal of Computational Molecular Cell Biology
|June 26, 2010
PubMed
Summary
This summary is machine-generated.

Computer modeling optimizes microalgae cultivation systems for cost-effective solar-to-chemical energy conversion. This approach simulates hydrodynamics and algal growth in raceways, enabling efficient system design and risk-free condition evaluation.

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Last Updated: Jun 12, 2026

Coupling Carbon Capture from a Power Plant with Semi-automated Open Raceway Ponds for Microalgae Cultivation
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Published on: August 14, 2020

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Optimize Flue Gas Settings to Promote Microalgae Growth in Photobioreactors via Computer Simulations
14:33

Optimize Flue Gas Settings to Promote Microalgae Growth in Photobioreactors via Computer Simulations

Published on: October 1, 2013

Area of Science:

  • Biotechnology and Bioengineering
  • Computational Fluid Dynamics
  • Renewable Energy Systems

Background:

  • Microalgae are promising for solar-to-chemical energy conversion.
  • System optimization is crucial for cost-effective microalgae implementation.
  • Computer modeling offers a powerful tool for system optimization.

Purpose of the Study:

  • To develop and apply a coupled hydrodynamic and algal growth model for open-channel raceways.
  • To simulate the growth kinetics of Phaeodactylum tricornutum under varying conditions.
  • To assess the utility of numerical simulation for raceway design and operational strategy evaluation.

Main Methods:

  • Utilized modified Environmental Fluid Dynamics Code (EFDC) and CE-QUAL water-quality code.
  • Simulated hydrodynamics coupled with algal growth kinetics (Phaeodactylum tricornutum).
  • Incorporated variables for raceway design, algal growth, water quality, hydrodynamics, and atmospheric conditions.

Main Results:

  • Model accurately reflects diurnal fluctuations in solar irradiation and temperature impacting algal growth rates.
  • Simulations demonstrate realistic growth patterns aligned with environmental cycles.
  • The model successfully integrates multiple system variables for comprehensive analysis.

Conclusions:

  • Numerical simulation significantly aids in pre-construction raceway design, reducing costs and time.
  • The model allows for risk-free evaluation of operational changes (depth, temperature, flow speed).
  • This computational approach enhances the optimization of microalgae cultivation for energy applications.