Browsing Asia Turbomachinery & Pump Symposia by Title
Now showing items 60-79 of 285
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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 ...
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Definition of a Screening Criterion for Centrifugal Compressor Vibrations Induced by Inlet Gas Flow (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)Lecture 4: The gas flow entering from the inlet flange of a centrifugal compressor may induce radial forces on the rotor, by directly impinging onto shaft or by generating asymmetric pressure fluctuations in the gas volume ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)Rotordynamic stability of gas compressors at high speeds and operating pressures is a significant technical challenge. Dynamic instability must be avoided for the sake of safe, reliable and continuous operation of ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)The paper describes the design, manufacture and testing of a novel high-pressure-ratio, single-stage centrifugal compressor targeted for use in high molecular weight applications. The stage was designed to deliver a minimum ...
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(Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)Lecture 5: Epicyclic gear technology is a key factor to support thcompression growth strategy in electrified applications, due to the ever increasing transmission ratio required to meet the high compressor speeds. The paper ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)A sudden step change in vibration was observed on a 7400 rpm compressor with direct amplitude from 43 um pp to over 62 um pp (trip level) at NDE, thus tripping the unit Vibration reached over 120 um pp at 4000 rpm, compared ...
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(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)This paper discusses the critical design aspects, calculations, laboratory verification testing and field experience of a mechanical seal arrangement for multiple fluid Pipeline Pumps. The seal cartridge consists of a ...