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From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine

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1 From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine J. Tribol. 2009;131(3): doi: / Figure Legend: Cross sectional view of the gas-bearing supported MEMS-air turbine

2 From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine J. Tribol. 2009;131(3): doi: / Figure Legend: Key structural features of the MEMS-air turbine

3 From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine J. Tribol. 2009;131(3): doi: / Figure Legend: Exchange of neighboring rotors prior to the fusion bonding process results in devices with different journal bearing clearances

4 From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine J. Tribol. 2009;131(3): doi: / Figure Legend: Journal bearing flow characteristics. The symbols correspond to experimental measurements in devices with target journal bearing clearance of 16 μm.

5 From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine J. Tribol. 2009;131(3): doi: / Figure Legend: Measured top rotor speeds for different devices as a function of journal differential pressure ΔP

6 From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine J. Tribol. 2009;131(3): doi: / Figure Legend: Comparison of experimental and analytical-CFD predictions of isotropic journal bearing stability boundary as a function of hydrostatic differential pressure ΔP

7 From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine J. Tribol. 2009;131(3): doi: / Figure Legend: Comparison of typical operating protocols for previous and current-generation micro-air turbines. The top rotor speed for current-generation devices demonstrated at 1.7×106 rpm.

8 From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine J. Tribol. 2009;131(3): doi: / Figure Legend: Whirl-ratio for different devices as a function of journal bearing damping ratio

9 From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
Date of download: 10/14/2017 Copyright © ASME. All rights reserved. From: High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine J. Tribol. 2009;131(3): doi: / Figure Legend: SEM pictures of fillet at the root of a turbine blade


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