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An Integral Balance Piston For Centrifugal Pump Impellers
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
Axial thrust balancing of pressure forces in centrifugal pumps has long been a design challenge for pump engineers. This becomes particularly important in sealless pumps, due to their lack of thrust bearing capacity, and ...
Single Plane Balancing
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
Balancing rotating equipment is a form of correction for things that were either not uniform in material sciences or in assembly of components on a rotating shaft. The single plane balancing procedures are addressed, wherein ...
Solution To Cavitation Induced Vibration Problems In Crude Oil Pipeline Pumps
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
An output was increased on the Eat-West crude oil pipeline in Saudi Arabia, increasing shaft seal failures were encountered. These limited the operation of the pipeline. Surveys on site and detailed model tests with flow ...
Supplier Quality Improvement Process
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
The Chevron Supplier Quality Improvement Process is described herein. It starts by recalling the history of major mechanical equipment failures in the oil business. These problems led Chevron to the development of a ...
Efficient Multiphase Pump Station For Onshore Application And Prospects For Offshore Application
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
With oil consumption increasing worldwide, the petroleum industry is being forced to find ever more efficient ways. Not only the exploration of inaccessible and inefficient oil fields, but also the increasing demand for ...
Elimination Of Cavitation-Related Instabilities And Damage In High-Energy Pump Impellers
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
The suction-stage impeller of a large crude oil pipeline pump was designed by combining quasi-three dimensional flow analysis with current theories to generate an impeller geometry, which was evaluated in a half-size model ...
Measurement And Prediction Of Full Scale Annular Seal Coefficients
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
The accurate prediction of rotordynamic behavior of centrifugal pumps has increased in importance over the last decade, with a steady increase in speed and power concentration. Designing a pump which has acceptable vibration ...
A User's Engineering Review Of Sealless Pump Design Limitations And Features
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
Exxon Chemical like many other petrochemical companies and refineries, is announcing emission plans with a long term goal to achieve continuous emission reduction from the plant sites. Exxon Chemical’s emission plan has ...
Tandem Seals For Near Zero Hydrocarbon Emissions
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
More stringent regulatory limits are being placed on gaseous emissions from pumps handling hydrocarbon fluids. For example, new pumps in the Los Angeles Basin are required to have ear zero emissions. The EPA is proposing ...
Changes In Pump Vibration Levels Caused By The Misalignment Of Different Style Couplings
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1991)
Unacceptable pump vibrations are sometimes caused by the misalignment of the motor to the pump. Pump vibration increases due to misalignment is dependent on the amount of misalignment and the type of coupling used. The ...