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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Bucher, Izhak Setter, Eyal |
| Copyright Year | 2011 |
| Abstract | Micro-scale slender swimmers are frequently encountered in nature and recently in micro-robotic applications. The swimming mechanism examined in this article is based on small transverse axi-symmetrical travelling wave deformations of a cylindrical long shell. In very small scale, inertia forces become negligible and viscous forces dominate most propulsion mechanisms being used by micro-organisms and robotic devices. The present paper proposes a compact design principle that provides efficient power to propel and maneuver a micro-scale device. Shown in this paper is a numerical analysis which couples the MEMS structure to the surrounding fluid. Analytical results compare the proposed mechanism to commonly found tail (flagella) driven devices, and a parametric comparison is shown suggesting it has superior performance. Numerical studies are preformed to verify the analytical model. Finally, a macro-scale demonstrator swimming in an environment with similar Reynolds numbers to the ones found in small scale is shown and its behavior in the laboratory is compared to the theory. |
| Sponsorship | Design Engineering Division and Computers and Information in Engineering Division |
| Starting Page | 101 |
| Ending Page | 106 |
| Page Count | 6 |
| File Format | |
| ISBN | 9780791854846 |
| DOI | 10.1115/DETC2011-47271 |
| Volume Number | Volume 7: 5th International Conference on Micro- and Nanosystems; 8th International Conference on Design and Design Education; 21st Reliability, Stress Analysis, and Failure Prevention Conference |
| Conference Proceedings | ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference |
| Language | English |
| Publisher Date | 2011-08-28 |
| Publisher Place | Washington, DC, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Microelectromechanical systems Surface waves (fluid) Deformation Inertia (mechanics) Microscale devices Reynolds number Shells Traveling waves Robotics Design Fluids Microorganisms Numerical analysis Propulsion Symmetry (physics) |
| Content Type | Text |
| Resource Type | Article |
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