Browsing State Agencies by Type "conference publication"

Now showing items 1-20 of 754

    • A comparison of Operating Deflection Shape and Motion Amplification Video Techniques for Vibration Analysis 
      Price, Stephen M. (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
      The Operating Deflection Shape (ODS) technique that was derived from Experimental Modal Analysis has served well to assist users in quantifying vibration amplitudes, determining vibration mode shapes, looseness between ...
    • A New Approach to Large Motor Driven Pump Trains 
      Lea, Fred (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2020)
      Sometimes when tasked with an effort that has been done many times before, the same path is followed over an over again. Sometimes the saying “Just because we have always done it that way, doesn’t mean it’s right” is very ...
    • A New Bolted Joint Profile, Optimized with FEA, Fixes a Leaking Propane Pump 
      Schmidt, John M. (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2021)
      A bolted raised face Joint (with O-ring gasket) was failure prone. An axisymmetric FEA (finite element analysis) of the Joint verified why: the flanges were not stiff enough (not thick enough); too much flange rotation ...
    • A Novel Approach to Installation of New Crude Bottoms Pumps 
      Souers, Bobby (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Metallurgy upgrades for high TAN crudes and existing NPSH problems required the installation of two (2) new Atmospheric Towers and two (2) new Vacuum Tower Bottoms Pumps. • The new pumps are 450 HP and 1800 rpm versus ...
    • A Novel Method for Evaluating Sideload Compressor Thermodynamic Performance 
      Strachan, Martin; Severs, Peter; Sharples, Andrew; Woolsey, Clive; Vickers, Tim (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2020)
      A method has been developed that allows reasonably accurate sectional performance evaluation of sideload compressors based upon only external measurements available from the streams entering and exiting the compressor ...
    • A PRACTICAL APPROACH FOR MEASURING ENERGY AND CARBON PERFORMANCE OF TURBOMACHINERY IN OFFSHORE APPLICATIONS 
      Barbosa, Pedro Henrique de Almeida; Varella Guedes, André; Lima, Leonardo Monteiro Barbosa; Freire, Ronaldo Lucas Alkmin (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2021)
      The purpose of this work is to present the first results of a practical approach developed for measuring the performance on energy and carbon of turbomachinery installed at offshore oil production plants, based on the ...
    • A PRACTICAL GUIDE TO UNDERSTANDING LATERAL ROTORDYNAMIC ANALYSIS TO HELP IDENTIFY AND SOLVE VIBRATION PROBLEMS IN TURBOMACHINERY 
      Smith, Patrick J.; Whalen, John; Pavelek, Dustin (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2021)
      The primary purpose of performing a lateral rotordynamic analysis for centrifugal compressors, steam turbines and other rotating machines is to ensure that there are no undesirable rotor/bearing performance issues that ...
    • A REVIEW OF AERODYNAMICALLY INDUCED FORCES ACTING ON CENTRIFUGAL COMPRESSORS, AND RESULTING VIBRATION CHARACTERISTICS OF ROTORS 
      Sorokes, James M.; Kuzdzal, Mark J. (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2021)
      There are several sources of non-synchronous forced vibration of centrifugal compressor rotors. Many of them are aerodynamic phenomena, created within the gas path of the compressor. Phenomena such as impeller stall, ...
    • A REVIEW OF AERODYNAMICALLY INDUCED FORCES ACTING ON CENTRIFUGAL COMPRESSORS, AND RESULTING VIBRATION CHARACTERISTICS OF ROTORS 
      Sorokes, James M.; Kuzdzal, Mark J. (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2020)
      There are several sources of non-synchronous forced vibration of centrifugal compressor rotors. Many of them are aerodynamic phenomena, created within the gas path of the compressor. Phenomena such as impeller stall, ...
    • ACCELERATED TEST VALIDATION USING PRINTED POLYMER COMPONENTS 
      Guerra, Christopher; MacWilliams, Scott; Sorokes, James; Lupkes, Kirk (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2020)
      This paper describes efforts undertaken to increase the use of non-metallic components in research and development as well as component/stage validation testing. The switch to non-metallic or polymer components was driven ...
    • Accidental Excitation of Acoustic Resonances from Balance Holes on Rotating Disk 
      Kerr, Tommy; Rimpel, Aaron; Simons, Sarah (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2021)
      During commissioning of an open-casing test rig, a loud (above 105 dB) high pitch “squealing” sound occurred at speeds above 3,000 rpm. All elements of the rig were removed except the bearings yet the noise persisted. ...
    • Accurate Estimation of Start-Up Pulsating Torque of Direct On Line Synchronous Motors Driving Compressor Trains 
      Meucci, Francesco; Spolveri, Niccolo; Donati, David; Del Puglia, Stefano (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      In a compressor train driven by fixed speed synchronous motor (>17MW) was discovered a potential torsional problem on the input shaft of the hydraulic variable speed gear during the start-up phase when only low speed shaft ...
    • ADAPTATION OF REMOTE AND AUTONOMOUS OPERATION (RAO) FOR ROTATING EQUIPMENT OF PETRONAS FACILITIES 
      Sabri, Ir Dr Harris Abd Rahman; A Malek, M Helmi; Khaliq, Usaid (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
      The Oil and Gas industry is increasingly facing with more complex and hazardous operations. This is resultant from integration with a more complex feed and product properties as well as requirement for operation in harsher ...
    • Additive Manufacturing and Topology Optimization Applied to Impeller to Enhance Mechanical Performance 
      Corbo, Simone; Iurisci, Giuseppe; Gangioli, Francesco; Boccini, Enrico; Meli, Enrico; Rindi, Andrea (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      The paper describes the link between additive manufacturing techniques and topological optimization design process. An overview of Inconel718 printed material characteristics and as printed quality is given Finally ...
    • Additive Manufacturing of Cryogenic Pump Impellers 
      Bauer, Derrick (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2022)
      Additive manufacturing has been utilized in an increasing number of applications for many different types of services. Cryogenic pump impellers can be manufactured to ASTM F3318 for AlSi10Mg in the HIP + T6 condition through ...
    • 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 ...
    • Advanced Predictive Analytics in the Oil and Gas Industry 
      Holt, Christopher; Ayoub, Akram; Murphy, Kieran; Bell, David; Puglia, Bill; Sassos, Mark (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2015)
    • Advanced Sealing Solutions for Non 
      Tirunagari, Prashanthi; Wasser, Jim; Morton, John; Rasmussen, Darin (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2021)
      Two-thirds of the pipelines in North America are transporting non-crude hydrocarbon products such as NGL, diesel, avaiation fuel, Copyright© 2020 by Turbomachinery Laboratory, Texas A&M Engineering Experiment Station ...
    • Advanced Sealing Solutions for Non-Crude Hydrocarbon Services 
      Tirunagari, Prashanthi; Rasmussen, Darin; Wasser, Jim; Morton, John (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries; Texas A & M University. Libraries, 2020)
      Three years ago, the Non-Pushing Secondary Seal (NPSS) technology was introduced to the pipeline industry and since then it has successfully addressed challenging pipeline services. Over 300 seals have been installed ...
    • Advanced Topics In Centrifugal Compressor Design 
      Sandberg, Mark; Baldassarre, Leonardo; Baumann, Urs; Kuzdzal, Mark; Moore, Jeffrey; Pettinato, Brian; Sorokes, James (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      Suggested Topics: Meeting current rotordynamics stability standards CO2 Compressors High flow coefficient/Mach number impellers Coupling and alignment impacts on asymmetric rotordynamics Sour gas/Chloride implications ...