Texas A&M Engineering Experiment Station: Recent submissions

Now showing items 21-40 of 8496

    • Materials And Coatings For Turbomachinery In Hydrogen Applications 
      Bauer, Derrick (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Centrifugal compressors are commonly utilized for hydrogen compression in refineries for critical applications, and a potential “Hydrogen Economy� to lowering the carbon footprint on a worldwide scale will require ...
    • Turbine Bearing Housing Fire Accident Due To hydrogen inflow into nitrogen line of dry gas seal 
      Kim, Hyeongjun; Lee, Sanghun; Yang, Jinseok (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Fire incidents occurred in the turbine bearing housing at every start-upsince the original wet type seal in the compressor was replaced with a dry gas seal(DGS). The first investigation focused on leakage of the lube oil ...
    • An Overview of the Design and Performance Testing of a 275 BAR Integrally Geared Supercritical CO2 Compressor for Power Generation 
      Wilkes, Jason C.; Pelton, Robert; Wygant, Karl (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      An integrally geared compressor-expander (compander) for supercritical CO2 (sCO2) was developed to convert thermal energy to electricity. With operating pressures of 275 bar, this turbomachine represents the state of the ...
    • Developing & Testing Components For More Reliable Linear Reciprocating Compression Of Hydrogen 
      Broerman, Eugene L.; Shade, W. Norman; Poerner, Nathan; Cockerill, Sam; Miller, Michael A. (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Southwest Research Institute® (SwRI®), ACI Services, Inc. (ACI), and Libertine FPE Limited collaborated to design and build a Linear Motor Reciprocating Compressor (LMRC) via a DOE-funded project with ACI cost share. The ...
    • An Objective Way To Account For Unbalance Vibration In Measured Rotor-Dynamic Data 
      Wittich, Hauke; Schwarz, Lukas (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      This paper will illustrate a practical, objective and general method to calculate the unbalance and runout part of measured rotor-dynamic vibration data by a statistical method. Vibration measurements, as typically recorded ...
    • Power Turbine Field And Shop Balance Experience 
      Yu, John J.; Kirker, Michael; Peton, Nicolas (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      A power turbine (PT) experienced a high 1X vibration issue. Balancing was attempted at two accessible planes on the shaft section. However, the unit could only operate with vibration below the alarm level in steady-state ...
    • Transforming Maintenance Using Virtual Assembly 
      Simpson, Kraig (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Virtual assembly is challenging historical maintenance paradigms by reducing durations up to 75%, while improving quality and safety. Turbomachinery can be virtually assembled to identify and address assembly issues prior ...
    • Reciprocating Compressor Motor Vibration During Initial Start-up 
      Eisenmann Jr., Robert C.; Nasef, Yasser (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Shortly after start-up of a new 4 throw 3 stage reciprocating compressor, high motor vibration was recorded on a machinery monitoring system. The single bearing motor vibration levels reached 260 microns (10.25 mils) during ...
    • Whats inside the ‘box’ when considering API Piping Plan 54? 
      Kalfrin, Brian; O'Brien, Jonathan (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      API Piping Plan 54 utilizes an external source to provide a clean pressurized barrier fluid to a dual pressurized mechanical seal designed to allow minimal leakage across the primary sealing interface into the process ...
    • An Alternative Option to Provide Seal Gas for Dry Gas Seals Which was Used During the First Start Up of Pipeline Booster Compressors 
      Baldassarre, Leonardo; Mirza, Salman; Al-Alshaikh, Tariq H.; Brown, Eric William; Grayeb, Laura Fernanda; Barbato, Luigi; Arumugam, Sivakumar; Moretti, Michele (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      This case study covers the initial start up (“black� start up) of a centrifugal compressor at a pipeline station located in a remote desert environment in Saudi Arabia, focusing on the issue that the suction and discharge ...
    • Integrally Geared Compressor Failure due to excessive pipe strain 
      Lopez, Marcela; Eisenmann Jr., Robert C. (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Following a complete overhaul of an integrally geared compressor, the compressor failed upon startup. The compressor ran for 7 seconds before the machinery protection system tripped the machine. During disassembly, it was ...
    • Precision Grouting of Turbomachinery 
      Goodwin, Fred; Termunde, Dan; First, Rick (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Rotating equipment being installed in industrial environments, including refineries and chemical processing plants, are critically aligned with exact tolerances. When in operation, this equipment experiences heavy dynamic ...
    • Vibration Field Problem Resolved with Analytical Diagnostic Approach and Innovative Impeller Design 
      Cicatelli, Giancarlo; Schiavello, Bruno (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Several pumps of same design exhibited field vibrations above API limits, dominated by Vane Passage Frequency (VPF). Root cause analysis included both experimental and theoretical paths.Experimental investigation , with ...
    • Commissioning A New Multiphase Pump Visualization Test Rig To Investigate The Internal Flow Field And Its Connection With Pump Performance 
      Gundersen, Ted Orjan Seim; Dupoiron, Marine; Moenne-Loccoz, Victor; McAlinden, Tim; Juliussen, Yngvar Cato; Torbergsen, Erik Andre; Meredith, Andrew; Marthinussen, Svein-Arne; Arntzen, Bjorn Johan; Hoffmann, Alex Christian (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      Pumps with helico-axial impellers are used to boost mixtures of gas and liquid, for instance in subsea production of unprocessed oil and gas. Experimental data is essential to fully understand and characterize the internal ...
    • Predictive Merit of Computational Fluid Dynamics in Determining Marginal NPSH of Hydrocarbon Centrifugal Pump 
      Mortazavi, Hamidreza; Li, Jim; Meraji, Mike (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      At inlet, sufficient pressure and NPSH margin is crucial for centrifugal pumpoperation. In cold and light hydrocarbon services; such as Liquefied Natural Gas,vapor pressure variations that is dependent on the temperature ...
    • Repair and Protection of Pump Foundation 
      Lehner, Ahren; Gerdes, Ken (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      While we go to great efforts to properly set rotating equipment, often consideration is not made to protect the base, and foundation system from erosion or corrosion. In this case study severe erosion of the foundation ...
    • Light Hydrocarbon Shipping Pumps Challenges With Repetitive Mechanical Seal Failure 
      Allah, Wesam Khalaf; Ballard, Fernando; Bakr, Majed (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      NGL shipping pumps have experienced high number of mechanical seal failures during the first five years of operation. There are five pumps where each pump is equipped with two mechanical seals. In some instances, the ...
    • Interaction Between Rotodynamic Pump Behaviour And Wear Surface Coating Technology: A MULTISTAGE PUMP CASE ANALYSIS 
      Viviani, Giorgia Valeria; Cicatelli, Giancarlo (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
    • Installation of a Stall Ring to Mitigate Boiler Feed Water Pump NPSH3 Requirements at Low Flow 
      Souers, Bobby (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      An ubiquitous multistage boiler feed water pump for a SMR Hydrogen Plant in a refinery was specified to meet feed water requirements at plant design hydrogen capacity and at a turndown rate. During testing, it was discovered ...
    • Fast and Ultimate Vibration Field Solution: From Problem Detection to Field Performance Validation 
      Cicatelli, Giancarlo; Schiavello, Bruno (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)