Search
Now showing items 7111-7120 of 7163
L03: High Speed Balancing: API Acceptance Criteria, Pedestal Dynamics, and Unbalance Response Correlation
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Acceptance criteria for high-speed balancing of turbomachinery are specified in API standards based on either pedestal velocity or shaft displacement, and these are discussed in detail Pedestal velocities are measured using ...
TB02: Assessing compression methods for increased reliability, flexibility and efficiency in gas processing plants
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Many of today’s gas processing plant operators face varying and often uncertainconditions This includes challenges such as the mode of operation and feed gasuncertainty For instance, gas processing plants can receive ...
CS26: Online Mitigation of Gearbox Bearing High Temperature due to Oil Varnishing
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
ThiscasestudypresentsanincidentofsuddentemperatureincreaseofabearinginaspecialpurposegearboxduringnormaloperationDetailsofthedirectcauseinvestigation,onlinemitigationandlongertermimprovementswillbesharedThecompressortrai ...
L04: Predicting, Understanding and Avoiding the Ekofisk Rotor Instability 40 Years Later
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
A re-examination of the well-known Ekofisk re-injection centrifugal compressor is presented Several opportunities makethis an ideal candidate to assess how well (or not) current design and analytical methods have evolved ...
CS27: Test set-up contribution into a generator mounted Epicyclic gear mechanical running test performance
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
This case study is describing the observations and the troubles shooting relative to a mechanical runningtest carried out on a generator mounted Epicyclic gearbox The specific gear architecture is requiring a fullintegration ...
L10: A FEM Approach to Predict Acoustic Resonance in Multistage Centrifugal Pump
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Acoustic resonance can develop within the hydraulic channels of the pump, especially in the long crossover channel of a multistagecentrifugal pump This phenomenon occurs when the hydraulic channel length is equal to the ...
CS24: Resolution of vibration step changes on a Steam Turbine Generator
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
The machine train consists of a steam turbine of three casings (HP/IP, LP1 and LP2) coupled to a Generator with a base loadcapacity of 660MW running at 3600RPM Post a machine boiler event trip on October 22nd 2018, step ...
T13: Performance of Industrial Gas Turbines
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Industrial gas turbines have performance characteristics that distinctly depend on ambient and operating conditions Application of these gas turbines, as well as the control and condition monitoring, require to consider ...
CS15: Centrifugal Pump Upgrade for New Operating Condition
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
Centrifugal Pumps used at Upstream and Downstream facility are critical for Oil & Gas business However, the pump process requirement may change over time due to depleting reservoir in Upstream or new process requirement ...
CS06: Inappropriate Operation During Mechanical Running Test of a High-Pressure Compressor Equipped With an Hole Pattern Seal
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)
 During the mechanical running test of a HP centrifugal compressor, the rotorexperienced a sudden increase of the radial vibrations During run-down thecompressor experienced a trip and high vibrations were recorded ...