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Torsional Vibration In Pump/Driver Shaft Trains - The Role Of External Damping From Pump Impellers
(Texas A&M University. Turbomachinery Laboratories, 1996)
Consideration of torsional vibration in pump/driver shaft trains has become of increasing importance with the development of electronically controlled variable speed electric motors. Such motors not only provide a static ...
Double Row Angular Contact Ball Bearings In Centrifugal Pumps.
(Texas A&M University. Turbomachinery Laboratories, 1996)
Double row angular contact ball bearings are used extensively in ANSI type end suction centrifugal pumps and other fluid machinery. The double row angular contact ball bearing supports combined axial and radial loads, ...
Abrasive Wear In Pumps - A Tribometric Approach To Improve Pump Life
(Texas A&M University. Turbomachinery Laboratories, 1996)
The reduction of abrasive wear and extension of the endurance of pumps requires a system analysis. Various pump types demonstrate different tribological systems under abrasive wear, which are basically dominated by sliding, ...
Multiphase Gas-Liquid Pumping
(Texas A&M University. Turbomachinery Laboratories, 1996)
Pumping crude oil and gas without prior separation greatly reduces the machinery and platform space required. Multiphase pumps can be located at the surface or subsea and are designed primarily as a) two-screw rotary or ...
Improved Mechanical Seal For High Pressure Pumps In Severe Abrasive Tailings Services
(Texas A&M University. Turbomachinery Laboratories, 1996)
The cost of high pressure gland water and increasing environmental concerns have made the use of flushless mechanical seals attractive in many slurry applications. One such application exists at Syncrude Canada Lts (SCL). ...
Field Investigation Of Bearing Housing Oil Cleanliness
(Texas A&M University. Turbomachinery Laboratories, 1996)
The service life of rolling element bearing in centrifugal chemical process pumps is an issue of increasing concern. A key factor influencing bearing service life is the condition of the bearing lubricant. Several industrial ...
Mag Drive Pumps: Why They Work - How They Fail
(Texas A&M University. Turbomachinery Laboratories, 1996)
As the use of magnetic drive pumps become more popular and sometimes demanded, knowing how to install, operate and troubleshoot mag drive pumps becomes essential. System design, purchasing, installing, and commissioning ...
Material Problems And Solutions - A Metallurgical Perspective
(Texas A&M University. Turbomachinery Laboratories, 1996)
Pumps are an essential component of most industrial processes. Reliability is a major concern of pump manufacturers and users, since unexpected shutdowns can have serious and costly implications, including loss of production. ...
A Case Study: Unusual Problems Discovered During The Rerate Of 2800 HP Boiler Feed Water Pumps And Turbines
(Texas A&M University. Turbomachinery Laboratories, 1996)
The boiler feedwater system in a world scale ethylene plant utilized horizontal multistage barrel case pumps and single stage impulse type steam turbine drivers with mechanical governors. As part of a major debottlenecking ...