Now showing items 21-40 of 2440

    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Viviani, Giorgia Valeria; Cicatelli, Giancarlo (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
    • 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 ...
    • Cicatelli, Giancarlo; Schiavello, Bruno (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
    • Cicatelli, Giancarlo; Schiavello, Bruno (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      In the modern pump industry, processed fluids are characterized by a wide spectrum of viscosity values. An unpredicted variation of actual process fluid properties, including viscosity, may lead to unexpected pump performance ...
    • Kalfrin, Brian; Or, Doron; Fudge, Justin (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      One of the largest ethylene and polyethylene production complexes in the world located in Alberta Canada was dealing with marginal reliability of the mechanical seals on their ethylene product pumps. The ethylene product ...
    • Strachan, Martin; Popaleny, Peter (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, 2022)
      This paper discusses the diagnosis, further analysis and resolution of abnormally high vibration and noise detected on Lube Oil (LO) screw pumps A & B supplying a Turbo Expander Compressor (TEC). During the initial ...