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Now showing items 31-40 of 87
Complete Analysis And Simulation Of Reciprocating Pumps Including System Piping
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1987)
A computer model is presented for the analysis and simulation of a complete reciprocating pump installation. The model takes into account cylinder thermodynamics, valve dynamics, and acoustic pulsations in the suction and ...
Vibration Monitoring Of Vertically Mounted Pumpstools For Manufacturers And Users
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1987)
Recent efforts to develop and implement techniques to monitor and diagnose problems in submerged vertical shaft pumps are summarized. Projects based on iterative analytical and experimental efforts were implemented on ...
Considerations For Proper Sizing And Material Selection To Optimize Slurry Pump Performance
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1987)
Two significant problems are commonly identified when slurry pumps are used in process industries: sizing the pump to satisfactorily suit the service conditions and selecting the appropriate wear resistant materials to ...
Centrifugal Pump Hydraulics For Low Specific Speed Applications
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1989)
The hydraulic coverage in the low specific speed region has been ignored by most centrifugal pump manufacturers because of unfavorable hydraulic characteristics, and manufacturing obstacles such as small, difficult to cast ...
Dry Start Bearing For Vertical Pumps
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1989)
Compound bearings made of PTFE and synthetic rubber were developed for vertical pumps to startup without initial lubricating water. Through various experiments, they were clarified to be superior to any other bearings of ...
Heat Transfer In Mechanical Seals
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1989)
Numerous studies have shown that mechanical seal reliability is related to the state of the fluid between the seal faces. In turn, the fluid state depends on the seal face temperature. Unfortunately, calculating the seal ...
Reciprocating Pump Valve Design
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1989)
The working mechanism and life expectancy of automatic pump check valves, which are important for the operational safety of oscillating displacement pumps, are closely examined. A calculation process for the determination ...
Rolling Bearings In Centrifugal Pumps
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1989)
The primary considerations for the selection and application of rolling bearings in centrifugal pumps are discussed. These considerations apply to both the pump manufacturer and the pump user. The various types of bearings ...
Rotordynamic Considerations In The Design Of High Speed Centrifugal Pumps
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1988)
Operating speeds of multistage pumps tended to increase during the last decade from 4000 to 6000 rpm to 7000 to 10000 rpm, due to new super critical powerplant designs and new conversion processes in the hydrocarbon industry. ...
Practical Considerations For Pump Baseplates, Grouting And Foundations
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1986)
For pumps, most attention is directed at their hydraulic, mechanical/rotating/sealing, and metallurgical aspects. Another area of concern is the structural integrity of the pump support. Key elements of this area are the ...