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Now showing items 61-70 of 262
Practical Uses Of Advanced Rotordynamics Tools To Ensure Trouble-Free Operation Of A Gearbox.
(Texas A&M University. Turbomachinery Laboratories, 2009)
The intent of this case study is to illustrate how rotor dynamics analysis can become an effective tool to improve rotor stability. Analytical method, such as undamped planar critical speed map is used to evaluate the ...
Hydraulic Shop Performance Testing Of Centrifugal Compressors.
(Texas A&M University. Turbomachinery Laboratories, 2005)
The purpose of this tutorial is to familiarize the rotating equipment engineer with in-shop hydraulic performance testing methods. The tutorial discusses the theory of similarity testing, the assumption, and inherent errors. ...
Guidelines For Specifying And Evaluating The Rerating And Reapplication Of Steam Turbines.
(Texas A&M University. Turbomachinery Laboratories, 2006)
Steam turbines may be rerated, reapplied, or modified to meet several specific goals. This tutorial will review possible reasons for these changes, including optimizing performance, improving reliability, reducing maintenance ...
Communication And Accountability Are The Keys To Success In Condition-Based Maintenance.
(Texas A&M University. Turbomachinery Laboratories, 2006)
By the mid-1990s, a large chemical company, in Kingsport, Tennessee, had over 10 years’ experience with several condition monitoring technologies, and were recognized as being technically proficient in predicting equipments ...
Full Load, Full Speed Test Of Turboexpander-Compressor With Active Magnetic Bearings.
(Texas A&M University. Turbomachinery Laboratories, 2006)
Upgrading Centrifugal Compressors With Polymer Seals In An Ethylene Plant - A Case History.
(Texas A&M University. Turbomachinery Laboratories, 2000)
Thermoplastic use a labyrinth seals in rotating equipment is continuing to gain acceptance in the process industries. Presented in this paper is a discussion on thermoplastic use as a labyrinth seal material in centrifugal ...
Design, Operation, And Maintenance Considerations For Improved Dry Gas Seal Reliability In Centrifugal Compressors.
(Texas A&M University. Turbomachinery Laboratories, 2001)
The use of dry gas seals in process gas centrifugal compressors has increased dramatically over the last 20 years, replacing traditional oil film seals in most applications. Over 80 percent of centrifugal gas compressors ...
Gas Turbine Performance - What Makes The Map?
(Texas A&M University. Turbomachinery Laboratories, 2000)
The power and efficiency characteristics of a gas turbine are the result of a complex interaction of different turbomachines and a combustion system. This tutorial addresses the basic characteristics of each of the components, ...
Critical Review Of Compressor Impeller Vibration Parameters For Failure Prevention.
(Texas A&M University. Turbomachinery Laboratories, 2000)
One of the most difficult diagnostic problems for centrifugal compressors is fatigue failure of an impeller, especially those with covers. The structure of a covered impeller is inherently resistant to alternating forces ...
Online, Continuous Monitoring Of Mechanical Condition And Performance For Critical Reciprocating Compressors.
(Texas A&M University. Turbomachinery Laboratories, 2001)
This paper outlines the typical problems seen in reciprocating compressors and shows that the existing type of monitoring systems, consisting of vibration level, rod drop, rod runout, and valve cap temperatures, often ...