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Numerical simulation of molecular motion around laser microengine blades

Author

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  • Ota, Masahiro
  • Nakao, Tomohiko
  • Sakamoto, Moriyoshi

Abstract

Gas molecular motions around a laser opto-microengine are numerically simulated by direct simulation Monte Carlo (DSMC) method. We propose an opto-microengine that acts as a micro-actuator in which optical energy is supplied by a laser beam. The opto-microengine is rotated by molecular gas dynamics effects. The effects of the molecular weights of gases on laser opto-microengine performance are revealed by experiments. Helium, argon and xenon gases are used as environmental gases for operation of the opto-microengine. The numerical results show that pressure differences between front and back surfaces of the rotor blade depend on the molecular weights of the gases and accommodation coefficients.

Suggested Citation

  • Ota, Masahiro & Nakao, Tomohiko & Sakamoto, Moriyoshi, 2001. "Numerical simulation of molecular motion around laser microengine blades," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 55(1), pages 223-230.
    • Handle: RePEc:eee:matcom:v:55:y:2001:i:1:p:223-230
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