Now showing items 1-20 of 156

    • The Road to a Fully Integrated Asset Management Strategy Applied to Rotating Equipment 

      Sijim, Albert; Shah, Manish (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Today most companies around the world are very much aware of the benefits of improved plant reliability and the elements necessary to achieve this, such as the development and implementation of risk-based equipment ...
    • MATERIALS SELECTION FOR SEAWATER PUMPS 

      Morrow, Stephen (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Materials used in seawater pumps depend upon many factors that include seawater quality, materials limitations and processing characteristics, as well as materials cost and availability. Many newer high alloy stainless ...
    • Advanced Field Single PlaneTrim Balancing 

      Ferrari, Alexander; Battagli, Paolo; Rojas, Luis (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Summary: Problem Statement: Trim Balancing of multiple units may imply schedule impact. Solution: Develop a single-shot procedure to embed balancing activity in the general commissioning. Results: Flawless start-up of 5 ...
    • Think Out of the Box: Not All Sea Water Submerged Pump Failures Are Mechanical 

      Al-Baloshi, Hussain; Sudardjat, Isham (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Outline -Introduction Offshore to QP Operation -Background -Failure History -Possible Failure Causes (Fish Bone Diagram) -Submersible Pump Caisson Designs -Suction Bearing Designs -Experiment Video & Findings ...
    • VSDS Motor Inverter Design Concept for Compressor Trains avoiding Interharmonics in Operating Speed Range 

      Hutten, Volker; Krause, Tim; Beer, Christian; Demmig, Sven (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      During operation of compressor trains by a variable speed drive system (VSDS), integer and non-integer harmonic currents are generated in the inverter. Via the electrical system of the inverter and the motor, an excitation ...
    • RECIPROCATING COMPRESSOR CONDITION MONITORING 

      Schultheis, Steven; Lickteig, Charles; Parchewsky, Robert (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Technology for reciprocating compressor condition monitoring has been around since the 1950’s, however until the last 20 years or so it seemed that only the pipeline companies spent much effort on this activity. Technology ...
    • Case Study of Reverse Rotation Of Centrifugal Compressors - Impacts, Causes & Mitigations 

      Gad, Amr (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Outline: Introduction; Process overview; Compressor design & construction; Narrative of reverse rotation events; Cause of reverse rotation; Possible impacts of reverse rotation; Mitigating actions taken; Lessons learned; ...
    • LNG TURBOMACHINERY 

      Meher-Homji, Cyrus; Pelagotti, Antonio; Matthews, Terryl; Weyermann, Hans (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      The International Liquefied Natural Gas (LNG) trade is expanding rapidly. Projects are being proposed worldwide to meet the industry forecasted growth rate of 12% by the end of the decade. LNG train designs in the coming ...
    • ON-SITE DETERMINATION OF THE CONTROL LINE FOR INTEGRALLY GEARED COMPRESSORS FOR AVOIDANCE OF IMPELLER FATIGUE FAILURES 

      Wagner, Norbert; Konig, Sven; Winkes, Georg; Sub, Stefan (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      In this lecture a root cause analysis (RCA) is presented for a fatigue failure of a semi-open impeller of an integrally geared compressor. The compressor had been in service for about one year in an air separ 3rd stage impeller.
    • “Beating” Effect Caused by Two Closely Spaced Mechanical Frequencies Observed on Two-Shaft, Gas Turbine Drive 

      Perez, Robert; Conkey, Andrew (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
    • Floating Seal Ring Acting as a Third Bearing 

      Mekawey, Sherif (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Background: The synthesis Gas Compressor was recently overhauld. Replaced the IP Compressor ortor, interstage seals and floating seal rings. Replaced the inboard radial and thrust bearings of IP Compressor. When the machine ...
    • World’s First Aeroderivative Based LNG Liquefaction Plant – Design, Operational Experience and Debottlenecking 

      Meher-Homji, Cyrus; Richardson, Gary; Roberto Biagi, Fernando; Messersmith, David; Weyermann, Hans; Pattrick, Paul; Gravame, Francesco (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      The Darwin LNG Facility is the world’s first liquefaction facility to utilize high efficiency aeroderivative gas turbines for its refrigeration compressors. The plant’s design, startup, successful operation for over ...
    • DESIGN, MANUFACTURE, AND TEST CAMPAIGN OF THE WORLD’S LARGEST LNG REFRIGERATION COMPRESSOR STRINGS 

      Salisbury, Roy; Rasmussen, Pete; Griffith, Todd; Fibbi, Andrea (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Increasing demand for LNG has driven the requirement for a significant increase in LNG plant capacity. Qatargas II (QGII), a joint venture initiated by Qatar Petroleum, is committed to accomplish this while reducing ...
    • Gearbox Misalignment on Combustion Gas Turbine Generator 

      Al-Hajri, Mohammed (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      To share with you Abqaiq Plants’ successful experience in resolving a high vibration problem on a Gas Turbine Load Gearbox
    • GETTING THE FACTS ON OIL MIST LUBRICATION 

      Ehlert, Don (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Oil mist lubrication is a proven and environmentally clean technology for the lubrication of rotating equipment in process industries. The use of oil mist lubrication has grown dramatically worldwide delivering increased ...
    • Diagnosis and Solution for High-Speed Turboexpander Thrust Loading IssueDiagnosis 

      El-Abyouki, Mohamed; Guerrero, Armando (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Background; Problem Identification; Analysis; Scope; Testing; Conclusions
    • STABILITY CONSIDERATIONS: A SIMPLIFIED APPROACH 

      Baumann, Urs (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      In many cases it is necessary to judge the stability behavior of a specific compressor. This might be the OEM checking the feasibility of a proposed compressor layout or it might be the user judging one of his machines ...
    • RCFA for Recurring Impeller Failures in a 4 

      White, Nicholas; Laney, Scot; Zorzi, Cory (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      A Root Cause Failure Analysis (RCFA) for repeated impeller blade failures in a five stage centrifugal propane compressor is described. The initial failure occurred in June 2007 with a large crack found in one blade on ...
    • Gas Seal Contamination 

      Bridon, Raphael; Lebigre, Oliver (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Design of seals and sealing systems requires multidisciplinary skills and deep understanding of interactions between the seals and its environment. This paper proposes to present typical gas seals contaminants and ...
    • RCFA Case Study: Infant Mortality: Lean Solvent Centrifugal Pump Motor 

      Ahmed, Qadeer (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Introduction: •Qatargas Operating Company Limited •Refresher: Bathtub Curve & Failure Regions (i.e. Infant Mortality) Root Cause & Failure Analysis •Brief Introduction –Incident and Action Plan •Simplified System Diagram ...