Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions

8.6K Views

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11:51 min

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February 22nd, 2018

DOI :

10.3791/57238-v

February 22nd, 2018

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José R. Agudo¹, Jiwon Han¹, Jinyoung Park¹, Sinyoung Kwon¹, Soebiakto Loekman², Giovanni Luzi¹, Christoph Linderberger³, Antonio Delgado¹^,⁴, Andreas Wierschem⁴

¹Institute of Fluid Mechanics, FAU Busan Campus, University of Erlangen-Nuremberg, ²Institute of Chemical Reaction Engineering, FAU Busan Campus, University of Erlangen-Nuremberg, ³Institute of Bioprocess Engineering, FAU Busan Campus, University of Erlangen-Nuremberg, ⁴Institute of Fluid Mechanics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)

Summary

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Keywords Incipient Particle Motion

Regular Substrates

Triangular Or Quadratic Configurations

Particle Reynolds Number

Creeping Flow

Hydraulically Rough Flow

Chapters in this video

0:04

Title

1:31

Incipient Particle Motion in the Creeping Flow Limit: Preparing the Rheometer

3:12

Creeping Flow Limit: Adjusting the Imaging System

4:20

Creeping Flow Limit: Determining the Critical Rotating Speed for Onset of Motion

5:03

Incipient Particle Motion at the Hydraulically Transitional and Rough Turbulent Regime: Experimental Setup and Preparing the Imaging System

6:12

Hydraulically Transitional and Rough Turbulent Regime: Determining the Critical Fan Speed

7:00

Hydraulically Transitional and Rough Turbulent Regime: Preparing and Calibrating the Constant Temperature Hot-wire Anemometer

8:22

Hydraulically Transitional and Rough Turbulent Regime: Measuring the Streamwise Velocity

8:51

Results: Characterization of the Motion of Spheres on Quadratic Surfaces in Laminar and Turbulent Conditions

10:17

Conclusion

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