Browsing Asia Turbomachinery & Pump Symposia by Title
Now showing items 54-73 of 285
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(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)Lecture 13: This paper deals with the damping ratio D (modal damping) of the 1st torsional mode of synchronous motor driven compressor trains. The damping ratio is a crucial parameter for the torsional start-up analysis ...
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(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)Tutorial 15
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)This course covers the design and application of high performance couplings and rotating machines. Initially the Turbomachinery driver and driven machines are analysed together with their characteristics and how they affect ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)Crude oil pipeline pumps traditionally suffer from seal leakage due to the fretting or wearing of the dynamic O-ring. A new concept secondary seal has been developed to eliminate this fretting occurrence. All major seal ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)During the independent Asset Integrity Review (i-AIR) audit conducted on one of theoffshore production facility, use of instrument air as separation medium for separation sealof the process gas booster compressors Dry Gas ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Two mission critical electric motor driven BFW (Boiler Feed Water) pumps installed in remote site, facedcontinuous failures of rotor-stator seizures during commissioning and start up of Sulfur recovery units -Pumps had to ...
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(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 ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Dry Screw Compressor experienced HH axial displacement trip within 15 minutes after every cold start-upsince the MMS system upgrade in 2016• Failed attempt to successfully restart this compressor after every planned ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Unusual and repeated bladder ruptures of pulsation dampeners installed on two units ofCondensate Export Triplex Double Diaphragm Reciprocating Pumps and two units of GlycolCirculation Triplex Plunger Pumps had caused a ...
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(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 ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)The centrifugal blower equipped with variable-frequency-drive (VFD) motor services in petrochemicalplant The unit was experienced many times of coupling failures after replacement new VFD,metallurgical study indicated ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)The Morton effect was encountered during a compressor rotor high speedbalance Morton effect for high speed balance configuration was not consideredin the design phase analysis, and it was a unique experience The high ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)A hydrogen compressor experienced intermittent vibration spikes during operation Review of the vibration plots revealed that the spikes appear at 11x running speed of the compressor The no of vanes of the impeller is 11 ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)This case study presents a high vibration trip incident experienced on a SP steam turbine which was overhauled, during re-start The machine tripped 3 times on high vibration just before 1st critical The problem was identified ...
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(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 ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)ThiscasestudypresentsanincidentofsuddentemperatureincreaseofabearinginaspecialpurposegearboxduringnormaloperationDetailsofthedirectcauseinvestigation,onlinemitigationandlongertermimprovementswillbesharedThecompressortrai ...
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(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 ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)Accelerometers were used to measure vibration of the input shaftusing an on-line remote monitoring system Though the vibrationamplitudes were below the acceptable limit for over a year period,two bearing damages were thought ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)3MW back pressure steam turbines has experienced a common and repetitivemechanical failure for its dual port steam governor valve Fracture surfaceanalysis at the failed valve stem reveals a distinctive sign of fatigue ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2021)The purpose of this case study is to describe a problem with random, intermittent rotor vibration excursions in a large steam turbine These types of problems can be very difficult to diagnose, especially when the vibration ...