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Biophysical signal-driven scaffold design for stem cell-guided osteochondral regeneration. [PDF]

open access: yesBioact Mater
Gao Y   +6 more
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Scaling Laws for Ultra-Short Hydrostatic Gas Journal Bearings

Volume 5: 19th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 2003
The journal bearings of the MIT micro-devices are located at the outer periphery of the rotor and are designed to operate at rotational speeds of order 2 million rpm in order to enable high-power densities with turbomachinery tip speeds near 500 m/s. These journal bearings are very short compared to their relatively large bearing diameters such that ...
Z. S. Spakovszky, L. X. Liu
openaire   +2 more sources

Hydrostatic Gas Journal Bearings for Micro-Turbomachinery

Volume 5: 19th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 2003
Several years ago an effort was undertaken at MIT to develop high-speed rotating MEMS (Micro Electro-Mechanical Systems) using computer chip fabrication technology. To enable high-power density the micro-turbomachinery must be run at tip speeds of order 500 m/s, comparable to conventional scale turbomachinery.
L. X. Liu   +3 more
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Hydrostatic gas bearings

Wear, 1960
Orifice-regulated hydrostatic gas bearings offer significant advantages for instrument applications. In particular, gimbal bearings for inertial guidance systems can be designed with negligible starting torque and high stiffness, and for operation at extreme temperatures.
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Performance of Hydrostatic Spherical Gas Gyro Bearings

Journal of Lubrication Technology, 1976
Analysis and method of numerical solution for evaluating the performance of hydrostatic spherical gas gyro bearings at any gimbal angle and at any eccentricity have been developed. Performance data on load capacity, gas flow rate, drag torque, and error torque over some ranges of gimbal angle and eccentricity are presented.
A. Gu, L. Cziglenyi
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