Development of micro gas actuator for analyzing gas mixture

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WU H.; MORADI R.; Barzegar Gerdroodbary M.; SHAHBAZI M.

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Journal Paper

Paper Information

Journal: SCIENTIA IRANICA Year:2020 | Volume:27 | Issue:6 (Transactions B: Mechanical engineering) Page(s): 2945-2953

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Information Journal Paper

Title

Development of micro gas actuator for analyzing gas mixture

Author(s)

WU H. | MORADI R. | Barzegar Gerdroodbary M. | SHAHBAZI M. | Issue Writer Certificate

Keywords

Gas detection

Knudsen force

DSMC

Low-pressure gas actuators

MEMS actuator

Abstract

In this study, a computational technique is used to investigate the ability of a new Micro Electro-Mechanical System (MEMS) gas actuator Microscale In-plane Knudsen Radiometric Actuator (MIKRA) for detecting and sensing gas mixture. In this actuator, the temperature difference of two arms in a rectangular domain in a rarefied condition induces a Knudsen force which is associated with physical properties of the gas. Both 2D and 3D approaches were applied to simulating the ow inside the model. In order to de ne the ow feature of low-pressure gas inside the micro gas actuator, a high-order equation of Boltzmann should be solved to attain reliable results. Since the domain of this micro gas is non-equilibrium, Direct Simulation Monte Carlo (DSMC) method was applied to the simulation of the model. According to obtained results, the three-dimensional model achieved more reliable results and the existence of a gap for the three-dimensional model clearly demonstrated the impact of this parameter on the effective Knudsen force.

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APA: Copy

WU, H., MORADI, R., Barzegar Gerdroodbary, M., & SHAHBAZI, M.. (2020). Development of micro gas actuator for analyzing gas mixture. SCIENTIA IRANICA, 27(6 (Transactions B: Mechanical engineering)), 2945-2953. SID. https://sid.ir/paper/979383/en

Vancouver: Copy

WU H., MORADI R., Barzegar Gerdroodbary M., SHAHBAZI M.. Development of micro gas actuator for analyzing gas mixture. SCIENTIA IRANICA[Internet]. 2020;27(6 (Transactions B: Mechanical engineering)):2945-2953. Available from: https://sid.ir/paper/979383/en

IEEE: Copy

H. WU, R. MORADI, M. Barzegar Gerdroodbary, and M. SHAHBAZI, “Development of micro gas actuator for analyzing gas mixture,” SCIENTIA IRANICA, vol. 27, no. 6 (Transactions B: Mechanical engineering), pp. 2945–2953, 2020, [Online]. Available: https://sid.ir/paper/979383/en

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