Volume 19 Issue 3
Nov.  2019
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ZHI-HAO JU, TIAN-QING LIU, XUE-HU MA, ZHAN-FENG CUI. Numerical Simulation of Microcarrier Motion in a Rotating Wall Vessel Bioreactor[J]. Biomedical and Environmental Sciences, 2006, 19(3): 163-168.
Citation: ZHI-HAO JU, TIAN-QING LIU, XUE-HU MA, ZHAN-FENG CUI. Numerical Simulation of Microcarrier Motion in a Rotating Wall Vessel Bioreactor[J]. Biomedical and Environmental Sciences, 2006, 19(3): 163-168.

Numerical Simulation of Microcarrier Motion in a Rotating Wall Vessel Bioreactor

Funds:  Bureau of International Cooperation(2002008)%辽宁省科技计划(20022140)
  • Objective To analyze the forces of rotational wall vessel (RWV) bioreactor on small tissue pieces or microcarrier particles and to determine the tracks of microcarrier particles in RWV bioreactor. Methods The motion of the microcarrier in the rotating wall vessel (RWV) bioreactor with both the inner and outer cylinders rotating was modeled by numerical simulation. Results The continuous trajectory of microcarrier particles, including the possible collision with the wall was obtained. An expression between the minimum rotational speed difference of the inner and outer cylinders and the microcarrier particle or aggregate radius could avoid collisions with either wall. The range of microcarrier radius or tissue size, which could be safely cultured in the RWV bioreactor, in terms of shear stress level, was determined. Conclusion The model works well in describing the trajectory of a heavier microcarrier particle in rotating wall vessel.
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Numerical Simulation of Microcarrier Motion in a Rotating Wall Vessel Bioreactor

Funds:  Bureau of International Cooperation(2002008)%辽宁省科技计划(20022140)

Abstract: Objective To analyze the forces of rotational wall vessel (RWV) bioreactor on small tissue pieces or microcarrier particles and to determine the tracks of microcarrier particles in RWV bioreactor. Methods The motion of the microcarrier in the rotating wall vessel (RWV) bioreactor with both the inner and outer cylinders rotating was modeled by numerical simulation. Results The continuous trajectory of microcarrier particles, including the possible collision with the wall was obtained. An expression between the minimum rotational speed difference of the inner and outer cylinders and the microcarrier particle or aggregate radius could avoid collisions with either wall. The range of microcarrier radius or tissue size, which could be safely cultured in the RWV bioreactor, in terms of shear stress level, was determined. Conclusion The model works well in describing the trajectory of a heavier microcarrier particle in rotating wall vessel.

ZHI-HAO JU, TIAN-QING LIU, XUE-HU MA, ZHAN-FENG CUI. Numerical Simulation of Microcarrier Motion in a Rotating Wall Vessel Bioreactor[J]. Biomedical and Environmental Sciences, 2006, 19(3): 163-168.
Citation: ZHI-HAO JU, TIAN-QING LIU, XUE-HU MA, ZHAN-FENG CUI. Numerical Simulation of Microcarrier Motion in a Rotating Wall Vessel Bioreactor[J]. Biomedical and Environmental Sciences, 2006, 19(3): 163-168.

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