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Now showing items 101-110 of 157
Condition Monitoring of Turbomachinery with Internet-of-Things (IOT)
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Condition monitoring is one of the critical process in turbomachinery equipment. As a factory equipment, Turbormachinery mostly transfers data via controllers such as programmable-logic-controller (PLC). Parameters of the ...
Digitalisation in Medium Voltage Variable Speed Drive Systems to Increase Productivity in Oil & Gas Applications
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
In this paper we talk about influence of digitalization in process industries and how it can be adapted to Medium Voltage drive systems. Various aspects of digitalization like monitoring, preventive maintenance and using ...
Conversion from Centrifugal to Rotary Positive Displacement Pumps
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
A major U.S. pipeline company was experiencing multiple problems at a crude pipeline intermediate pump station. The application seemed ideal for a rotary positive displacement (PD) pump. Working with a vendor and seeing a ...
Investigation and Resolution of Propane Compressor High Axial Position Alarm
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Propane compressor in Propane Dewaxing Unit was experiencing intermittent high axial spikes coinciding with the chiller swing. The axial spikes were due to compressor surge caused by sudden drop in
flow during chiller ...
Cryogenic Fluid Pumping Applications
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Calculating efficiency, power & considerations
Condition monitoring
Cryogenic pump system components
Accessories to cryogenic pump systems
Shaft supports: bushings, bearings
Rotordynamics
Balance requirements ...
Cavitation/NPSH (Field Problems)
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Unexpected cavitation erosion
Key parameters to consider for Root Cause Analysis when experiencing cavitation damage
NPSHR, NPSHA, NPSH margin
Performance loss due to insufficient NPSHA (margin)
NPSH 40,000 hours
...
Pipeline Applications
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Operation (single, series, batch products, parallel)
Maintenance (mechanical seals, bearings, pigging, vibration)
Hydraulic rerates (destaging, volute chipping, volute inserts, impeller underfilling)
Midstream Pipeline Applications – Design Aspects and Considerations for Mechanical Seals
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
There are few applications that place a significant demand on mechanical seals such as those associated with the handling of various fluids through pipelines. Pipeline applications are unique in that they typically encompass ...
Water Hammer and Piping Stresses
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
This tutorial provides guidance to help understand the causes, and to prevent or mitigate the effects of water hammer, or fluid transients, in piping and pipeline systems. The text of this paper is based on early drafts ...
The Theory and Application of True Weighted Efficiency -- A New Metric to Evaluate Pump Energy Efficiency Considering Multiple Operating Conditions
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Energy efficiency is being emphasized more prominently in the pump industry. A consistent method for evaluating pump energy efficiency with multiple operating conditions is needed. New energy efficiency indices have been ...