Performance of Gas-lubricated Cruciform-mounted Tilting-pad Journal Bearings and a Damped Flexibly Mounted Spiral-groove Thrust Bearing PDF Download
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Author: Lloyd W. Ream
Publisher:
ISBN:
Category : Bearings (Machinery)
Languages : en
Pages : 28
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Book Description
Author: Lloyd W. Ream
Publisher:
ISBN:
Category : Bearings (Machinery)
Languages : en
Pages : 28
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Book Description
Author: Lloyd W. Ream
Publisher:
ISBN:
Category :
Languages : en
Pages : 27
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Book Description
Author: Lloyd W. Ream
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
A test program was conducted to determine the performance characteristics of gas-lubricated cruciform-mounted tilting-pad journal bearings and a damped spiral-groove thrust bearing designed for the Brayton cycle rotating unit (BRU). Hydrostatic, hybrid (simultaneously hydrostatic and hydrodynamic), and hydrodynamic tests were conducted in argon gas at ambient pressure and temperature ranges representative of operation to the 10.5 kWe BRU power-generating level. Performance of the gas lubricated bearings is presented including hydrostatic gas flow rates, bearing clearances, bearing temperatures, and transient performance.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 848
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Author: Zolton N. Nemeth
Publisher:
ISBN:
Category : Bearings (Machinery)
Languages : en
Pages : 52
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 374
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Book Description
Author: Edgar J. Gunter
Publisher:
ISBN:
Category : Gas-lubricated journal bearings
Languages : en
Pages : 236
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Book Description
Author: Zolton N. Nemeth
Publisher:
ISBN:
Category : Bearings (Machinery)
Languages : en
Pages : 36
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Author: Zolton N. Nemeth
Publisher:
ISBN:
Category : Journal bearings
Languages : en
Pages : 41
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Book Description
Rotor bearing dynamic tests were conducted with tilting-pad journal bearings having three different pad masses and two different pivot geometries. The rotor was vertically mounted and supported by two three-pad tilting-pad gas journal bearings and a simple externally pressurized thrust bearing. The bearing pads were 5.1 cm (2.02 in.) in diameter and 2.8 cm (1.5 in.) long. The length to diameter ratio was 0.75. One pad was mounted on a flexible diaphragm. The bearing supply pressure ranged from 0 to 690 kilonewtons per square meter (0 to 100 psig), and speeds ranged to 38,500 rpm. Heavy mass pad tilting-pad assemblies produced three rotor-bearing resonances above the first two rotor critical speeds. Lower supply pressure eliminated the resonances. The resonances were oriented primarily in the direction normal to the diaphragm.--P. [i].
Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1386
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