Browsing Turbomachinery and Pump Symposia by Title

Now showing items 1821-1840 of 2440

    • The Role Of Online Aerodynamic Performance Analysis. 
      De Maria, Robert L.; Gresh, M. Theodore (Texas A&M University. Turbomachinery Laboratories, 2006)
      Continuous online aerodynamic performance monitoring of turbomachinery is crucial to plant operation and maintenance and is a key part of a thorough machine reliability program. Integrating machine real-time performance ...
    • Rolling Bearings In Centrifugal Pumps 
      Meyers, Keith E. (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 ...
    • Rolling Element Bearing Status Using Frequency Analysis 
      Jones, Robert M. (Texas A&M University. Turbomachinery Laboratories, 2000)
      It has been said that if one has perfect information, then one can make perfect decision. In the daily operation of a production facility, many decisions are made each day concerning the mechanical condition of production ...
    • Romex - An Expert System Testbed For Turbomachinery Diagnostics. 
      Lewis, David W.; Sheth, Pradip N. (Texas A&M University. Turbomachinery Laboratories, 1990)
      A rule based system developed for vibration oriented diagnosis of turbomachinery for fault identification and for predictive maintenance is described. The system is implemented in a PC based PROLOG environment, with the ...
    • Root Cause Analysis / Expander Intake Flange Stud Failure 
      Thakur, Bhabesh K. (Texas A&M University. Turbomachinery Laboratories, 2007)
    • Root Cause Analysis Of A Long Term Reliability Problem With Reciprocating Compressors In H2 Service. 
      Drosjack, Michael J.; O'Neill, Philip E.; Lorio, Dale V. (Texas A&M University. Turbomachinery Laboratories, 1998)
      Three large reciprocating compressors in H2 makeup service had been a chronic reliability problem for 30 years. Unit revisions greatly compounded this issue by eliminating builtin spare capacity. A Root Cause Analysis ...
    • Root Cause Analysis of a Subsynchronous Vibration on a Variable Speed Gear 
      Hahn, K.; Young, M.; Soulas, T.; Basteck, A. (Texas A&M University. Turbomachinery Laboratories, 2007)
    • Root Cause Analysis Of Five Costly Centrifugal Pump Failures 
      Bloch, Heinz P (Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1990)
      Machinery failure analysis and troubleshooting are often pursued in a somewhat haphazard, unstructured fashion. This paper presents a novel, proven, and well focused approach which can quickly lead to the root cause ...
    • Root Cause Analysis On A Multistage Centrifugal Pump 
      Onari, Maki (Turbomachinery Laboratory, Texas A&M University, 2011)
    • Rotating Component Modal Analysis and Resonance Avoidance - An Update 
      Kushner, Frank; Strickland, Robert A.; Shurina, James (Texas A&M University. Turbomachinery Laboratories, 2013)
      Rotating disk and blade fatigue failures are usually a low percentage of failures in most machinery types, but other than coupling / shaft end failures remain some of the most problematic for extensive repairs. High-cycle ...
    • Rotating Component Modal Analysis And Resonance Avoidance Recommendations. 
      Kushner, Frank (Texas A&M University. Turbomachinery Laboratories, 2004)
      Rotating blade and disk fatigue failures cause a fairly small percentage of machine shutdowns, but can require extensive repairs and downtime. This tutorial focuses on steam turbines, centrifugal compressors, and axial ...
    • Rotating Equipment Loss Prevention - An Insurer's Viewpoint. 
      Clark, Edward E. (Texas A&M University. Turbomachinery Laboratories, 1996)
      Accidents involving rotating equipment in chemical, petrochemical, petroleum, and gas plants can result in damage to other process equipment and catalysts along with lost production. Conversely, process upsets, process ...
    • Rotating Equipment Pump Reliability Upgrading Project 
      Ringstead, Ed (Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1994)
      In 1988, a general performance assessment was undertaken at Shell UK’s Stanlow Manufacturing Complex to review its competitive position in the market place. The review concluded there was a high level of maintenance ...
    • Rotor Balancing Tutorial 
      Kelm, Ray; Kelm, Walter; Pavelek, Dustin (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      The purpose of this tutorial is to describe details related to shop and field balancing of turbomachinery. The target machinery is API type turbomachinery such as steam turbines, compressors, and other rotating machinery ...
    • Rotor Bearing And Shaft Dynamics Redesign Of A Double-Overhung Turboexpander For Reliability Improvement. 
      Davidson, Thomas R.; Salamone, Dana J.; Gunter, Edgar J. (Texas A&M University. Turbomachinery Laboratories, 1992)
      A solution is presented for a lateral rotor and bearing dynamics problem on a high pressure, double-overhung turboexpander with a design operating speed of 57,300 rpm. The rotor has an expander impeller mounted at one end ...
    • Rotor Bearing Loads With Honeycomb Seals And Volute Forces In Reinjection Compressors. 
      Baldassare, Leonardo; Fulton, John W. (Texas A&M University. Turbomachinery Laboratories, 2007)
      The calculation for unbalance response of a rotor starts by calculating the bearing load to provide the basis for the bearing stiffness and damping characteristics. Measurements in test rigs at a major Texas university ...
    • Rotor Design And Vibration Response 
      Weaver, F. L. (Texas A&M University. Gas Turbine Laboratories, 1972)
      A study is presented of a simple shaft configuration. This study shows the relative effect of variables of weight distribution and support stiffness on the response of the rotor. In particular, these variables are related ...
    • Rotor Dynamic Analysis And Bearing Optimization Study Of A 3800 Hp Steam Turbine 
      Salamone, Dana J. (Texas A&M University. Turbomachinery Laboratories, 1982)
      This paper presents the highlights of a complete rotor dynamics analysis and bearing optimization study that was performed on a 3800 HP multistage steam turbine. This unit is coupled to a three stage, poster-type, centrifugal ...
    • Rotor Dynamics Modification Of An Eight Stage Compressor For Safety/Reliability Improvement. 
      Kludt, Francis H.; Salamone, Dana J (Texas A&M University. Turbomachinery Laboratories, 1983)
      The catastrophic failure of a high pressure centrifugal air compressor utilizing air-pressurized bearing housings dictated the redesign of its sister compressor. The modification of this early 1950's compressor involved ...
    • Rotor Instability Problems In An Integrally Geared Compressor Supported By Tilting Pad Bearings. 
      Gruntfest, Peter M.; Andronis, Leo; Marscher, William D. (Texas A&M University. Turbomachinery Laboratories, 2001)
      The appearance of a strong subsynchronous instability in an overhung compressor highlights the fact that rotordynamic instabilities are not restricted to high-pressure multistage between bearing compressors with overhung ...