Search
Now showing items 1-5 of 5
Rotordynamic Design Of Centrifugal Compressors In Accordance With The New APIStability Specifications.
(Texas A&M University. Turbomachinery Laboratories, 2005)
The American Petroleum Institute (API) has recently implemented new rotordynamic stability specifications for centrifugal compressors. The specifications consist of a Level I analysis that approximates the destabilizing ...
Tilting Pad Journal Bearings With Spray-Bar Blockers And By-Pass Cooling For High Speed, High Load Applications.
(Texas A&M University. Turbomachinery Laboratories, 2003)
With performance considerations driving the design of rotating equipment, operating speeds and journal loads have increased greatly in recent years, often exceeding generally accepted design limits. In order for tilting ...
Surveying Tilting Pad Journal Bearing And Gas-Labyrinth Seal Coefficients And Their Effect On Rotor Stability.
(Texas A&M University. Turbomachinery Laboratories, 2007)
The evaluation of rotor system stability, which has become an essential part of rotordynamic analyses and rotating machinery design, relies heavily on the bearing and seal dynamic coefficient modeling to obtain an accurate ...
Tilting Pad Journal Bearing Starvation Effects
(Texas A&M University. Turbomachinery Laboratories, 2008)
Improved turbomachinery aerodynamic performance requirements have increased journal bearing operating speeds and loads well above traditionally acceptable values. For example, for high performance gearboxes, pinion bearing ...
Eliminating A Rub-Induced Startup Vibration Problem In An Ethylene Drive Steam Turbine.
(Texas A&M University. Turbomachinery Laboratories, 2001)
A 16 megawatt ethylene drive steam turbine built in 1973 experienced rub related startup vibration problems for many years. The turbine would lock into a rub as it accelerated through the rotor’s first critical speed causing ...