Search
Now showing items 21-30 of 37
The Shortcomings Of Using Pump Suction Specific Speed Alone To Avoid Suction Recirculation Problems
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1993)
There is a mistaken belief in the pump industry (fueled by many publications) that the best way to avoid suction recirculation problems is to design and/or apply only pumps having low suction specific speed values (below ...
Table of Contents for the Proceedings of the 10th International Pump Users Symposium
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1993)
Dynamic Loading On Pumps - Causes For Vibration
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1993)
Some insight into the mechanism which generate lateral dynamic loads, and hence vibrations, on centrifugal pumps is presented in a general way, and the individual loads are explained and quantified. Without extensive use ...
Sintered Alpha Silicon Carbide Pump Bearings - Tribological Materials Optimization To Improve Reliability
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1993)
The material properties of sintered silicon carbide, such as universal corrosion resistance, hardness, strength, and thermal conductivity, offer a great potential as sealless pump bearings and mechanical seal faces. In ...
Using Fault Trees To Determine The Root Cause Of Rotating Equipment Failures
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1993)
The great value of using multidisciplinary task groups to conduct root cause failure analyses (RCFA) on pump and rotating equipment failures is discussed. The RCFA method offers its users a structured means of achieving ...
Lubrication And Seal Oil Systems - Common Problems And Practical Solutions.
(Texas A&M University. Turbomachinery Laboratories, 1993)
Current technologies now make it possible to build turbomachinery without the need for a lubrication and seal oil system. However, there is an established machinery population that still requires support systems for oil ...
Reduced Shaft Stiffness Lowers Running-Speed Bearing Loads And Vibration In A Single Stage Compressor.
(Texas A&M University. Turbomachinery Laboratories, 1993)
Turbomachines that run well above their fundamental lateral critical speeds (super-resonant), and are not heavily influenced by higher vibrational modes, can often benefit from reductions in shaft stiffness to lower the ...
Retrofit Of A Steam Turbine With Dry Gas Seals.
(Texas A&M University. Turbomachinery Laboratories, 1993)
The solution to a chronic utility problem, with a critical natural gas compression unit, at the Ammonia plant at Du Pont's Beaumont, Texas facility, is described. The most critical problem, chronic steam leakage from the ...
A Comprehensive Cause Analysis Of A Coupling Failure Induced By Torsional Oscillations In A Variable Speed Motor.
(Texas A&M University. Turbomachinery Laboratories, 1993)
The analysis of two compressor train coupling failures that were caused by a subsynchronous torsional resonance is discussed. These torsional failures manifested themselves as fatigue cracks that propagated across the ...
Table of Contents for the Proceedings of the 22nd Turbomachinery Symposium
(Texas A&M University. Turbomachinery Laboratories, 1993)