Now showing items 20-39 of 180

    • Case Study on Remote Diagnostics in Resolving Random Vibration on a Steam Turbine 

      Ganesh, R. Sankar; Iqbal, Muhammad Zeeshan (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 7: This case study narrates an incident of random vibration spikes which occurred in year 2014 on one of the steam turbine bearings of a propane refrigeration compressor train. The random vibration spikes caused ...
    • Case Study on Resolving High Vibration Issue of a Centrifugal Compressor at an Offshore Platform 

      Sharma, Amit; Ganesh, Sankar (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      Gas Injection Compressors are critical for offshore oil production facilities. A compressor downtime lowers oil production. This case study is about a Gas Injection Compression train at an offshore platform in the Middle ...
    • Catastrophic Failure Diagnosis with Modal Analysis of Generator Endwindings 

      de Guarda Matos, Danilo (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      This failure lead a root cause analysis and a series of investigations that was taken place in a similar design unit deployed at a different site. This paper will describe the bump test and modal analysis procedures and ...
    • Centrifugal Compressor Surge Control Systems - Fundamentals of a Good Design 

      Botros, Kamal; Hill, Steven; Grose, Jordan (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 2: Many facilities employ two or more centrifugal compressors, operated in either series or parallel configurations. An accurately designed surge control system that includes multiple compressors with the associated ...
    • Centrifugal Compressors 101: Part 1 

      Kuzdzal, Mark; Koch, Jay (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      Reciprocating and centrifugal compressor similarities/ differences -How do they work? (Potential Energy, Kinetic Energy, PE, KE, …) -History of compressors – Timeline, major advances – Configurations, straight-through, ...
    • Centrifugal Compressors: Operation and Maintenance, Advanced Design, Wet and Sour Gas Operation 

      Baumann, Urs; Baldassarre, Leonardo; Gupta, Manoj; Hataya, Takeshi; Konomi, Shin; Kumar, Arun (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      Topics Outline: • Meeting current rotordynamics stability standards • High flow coefficient/mach number impellers • Low flow coefficiens/high pressure impellers; Reynolds correction Complicated high pressure gas properties. ...
    • Centrifugal Pumps: Operation, Maintenance and reliability, Vertical Pump Problems and Solutions 

      Schiavello, Bruno; Yoo, Jihoon (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      Suggested Topics: • Seal plan which was not expected – wrong for the application • Preventive/predictive technologies Off design operation • Mean time between failure – how do we measure, and how do we use the metrics • ...
    • Combustion, Fuels and Emissions for Industrial Gas Turbines 

      Welch, Michael; Igoe, Brian M.; Wilson, David (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 5: It is important that gas turbines used in Oil & Gas applications can burn a wide variety of fuels with the minimum impact on the environment or economics. Many types of gaseous and liquid fuels that can be used ...
    • Condition Monitoring of Turbomachinery with Internet-of-Things (IOT) 

      Yap, C.W. (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      Condition monitoring is one of the critical process in turbomachinery equipment. As a factory equipment, Turbormachinery mostly transfers data via controllers such as programmable-logic-controller (PLC). Parameters of the ...
    • Considerations in the Design of VFD Motor-Driven Compressors 

      Kita, Masayuki (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 17: The various drivers for process compressor trains are designed in accordance with the pertinent process requirements. In the case of variable speed applications for process compressors, Steam turbines or Gas ...
    • Control Systems. Molecular Weight Compensation Consideration in Compressor Surge Control 

      Saxena, Amit (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 10B: The effects of gas molecular weight variation on a centrifugal compressor’s surge line and computation of the operating margin from surge for the purposes of antisurge control is discussed using different ...
    • Control Systems. Transient Modeling and Analysis of Centrifugal Compressors 

      Garcia Hernandez, Augusto; Bennett, Jeffrey A. (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 10A: Centrifugal compressors are subject to transient events, such as emergency shutdowns, which can cause energetic surge events during rapid shutdown transients. Many modeling tools are used to predict the ...
    • Conttol Systems. Surge Control and Dynamic Behavior for Centrifugal Gas Compressors 

      Kurz, Rainer; White, Robert C.; Winkelmann, Bernhard; Brun, Klaus (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 10C: This tutorial discusses the design and function of surge control systems, or more precisely, surge avoidance systems on the basis of the behavior of centrifugal compressors when they interact with compression ...
    • Conventional Servo System to Direct Drive Actuators Why Does It Matter? 

      Jain, Mayank; Nishiyama, Kenichi; Ikeno, Kyoichi (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      This paper discusses the development of Actuators over a period of time. The purpose of an Actuator (servo system) is to operate steam turbine control valves. With the increasing demand for better control of steam valves ...
    • Conversion from Centrifugal to Rotary Positive Displacement Pumps 

      Bruck, Morg (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      A major U.S. pipeline company was experiencing multiple problems at a crude pipeline intermediate pump station. The application seemed ideal for a rotary positive displacement (PD) pump. Working with a vendor and seeing a ...
    • Conversion of a Horizontal Split Centrifugal Compressor with a Closed Impeller to an Open Face Impeller with a One Piece Diaphragm 

      Mayne, Trevor (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      A 1970 vintage polyethylene plant faced a market driven requirement to improve its polyethylene grade. The improved, new grade required a new highly reactive catalyst and needed to be ready for customer’s product trial in ...
    • Cooling Water Pump Gearbox Diagnostics, Failure and Remedial Actions 

      Ali, Haider; Haseeb Bukhari, Syed; Akram Awan, Asad; Mansoor, Mojiz; Burrero, Nooruddin (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      Failure of an industrial scale bevel gear assemble in 2.5 years of its commissioning. The gear box drives a pumps rated at 16240m3/h at 47.5 meter of head. The unit developed an abnormal noise with slightly higher impacting ...
    • Coupled Torsional and Lateral Analysis for the Determination of the Damping of the First Torsional Mode of Synchronous Motor Driven Compressor Trains 

      Pradetto, Jean-Claude; Baumann, Urs (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 13: This paper deals with the damping ratio D (modal damping) of the 1st torsional mode of synchronous motor driven compressor trains. The damping ratio is a crucial parameter for the torsional start-up analysis ...
    • Couplings - Balancing Tutorial & "New Developments in Gas Turbine Couplings" 

      Corcoran, Joe; Wolford, Christian (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 15
    • Couplings and Rotating Machines 

      Pennington, Steven (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      This course covers the design and application of high performance couplings and rotating machines. Initially the Turbomachinery driver and driven machines are analysed together with their characteristics and how they affect ...