Now showing items 40-59 of 180

    • Definition of a Screening Criterion for Centrifugal Compressor Vibrations Induced by Inlet Gas Flow 

      Fontana, Michele; Bernocchi, Andrea; Carnevali, Alessandro; Baldassarre, Leonardo (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 4: The gas flow entering from the inlet flange of a centrifugal compressor may induce radial forces on the rotor, by directly impinging onto shaft or by generating asymmetric pressure fluctuations in the gas volume ...
    • Design and Implementation of Swirl Brakes for Enhanced Rotordynamic Stability in an Off-shore Centrifugal Compressor 

      Venkataraman, Balaji; Moulton, David; Cave, Mike; Clarke, Chris; Moore, Jeff; Wilkes, Jason; Eldridge, Thom (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      Rotordynamic stability of gas compressors at high speeds and operating pressures is a significant technical challenge. Dynamic instability must be avoided for the sake of safe, reliable and continuous operation of ...
    • Design and Testing of a High-Pressure-Ratio Centrifugal Stage – Probing the Aerodynamic & Mechanical Limits 

      Sorokes, James; Lupkes, Kirk; Srinivasan, Ravi; Kuzdzal, Mark; Peer, Dave; Saretto, Silvano (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      The paper describes the design, manufacture and testing of a novel high-pressure-ratio, single-stage centrifugal compressor targeted for use in high molecular weight applications. The stage was designed to deliver a minimum ...
    • Design Validation of High Speed Ratio Epicyclic Gear Technology in Compression Systems 

      Maragioglio, Gaspare; Vannini, Giuseppe; Bradley, Paul; Buckley, Shawn (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 5: Epicyclic gear technology is a key factor to support thcompression growth strategy in electrified applications, due to the ever increasing transmission ratio required to meet the high compressor speeds. The paper ...
    • Development of a Single Mechanical Seal equipped with a High-Pressure Containment Seal for Multiple Fluid Pipeline Pumps 

      Pehl, Andreas; Droescher, Peter (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      This paper discusses the critical design aspects, calculations, laboratory verification testing and field experience of a mechanical seal arrangement for multiple fluid Pipeline Pumps. The seal cartridge consists of a ...
    • Development of High-Pressure Ratio and Wide-Operating Range 700bar Compressor 

      Tokuyama, Shinichiro; Ujihara, Diogo Yoshikazu; Nakaniwa, Akihiro; Saburi, Satoshi (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Lecture 1: Pre-Salt development projects continue to expand offshore Brazil into ever deeper waters year after year. Consequently, the required Discharge Pressures for Re-Injection Compressors aboard FPSO’s are likely to ...
    • Development, Testing and Qualification of Innovative Low Viscosity Oil In Turbomachinery Applications 

      Naldi, Lorenzo; Toscanini, Manuela; Camatti, Massimo; Lattuada, Marco (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      The continued market demand to have more efficient machines, thus achieving energy savings and emission reductions, has motivated manufacturers to look for improvements even in area that have never been explored and evaluated ...
    • Digitalisation in Medium Voltage Variable Speed Drive Systems to increase productivity in O&G applications 

      Mandlekar, Umesh; Unruh, Alexander; Ganesan, Vijay (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      In this paper we talk about influence of digitalization in process industries and how it can be adapted to Medium Voltage drive systems. Various aspects of digitalization like monitoring, preventive maintenance and using ...
    • Digitalisation in Medium Voltage Variable Speed Drive Systems to Increase Productivity in Oil & Gas Applications 

      Mandlekar, Umesh; Unruh, Alexander; Ganesan, Vijay (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      In this paper we talk about influence of digitalization in process industries and how it can be adapted to Medium Voltage drive systems. Various aspects of digitalization like monitoring, preventive maintenance and using ...
    • Digitalization in Oil & Gas 

      Gupta, Manoj; Saxena, Amit (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      Attendees Topics of Interests • IoT • Cyber Security • Data Connectivity • Cloud Solutions • Integrated Engineering Design Tools • Predictive Analytics • Autonomous Operations • Asset Performance Management • ...
    • Do You Have a Mechanical Seal Refurbishing Shop in Your Complex? 

      Sabharwal, Mohit; Kumar, Arun; Paliwal, Dilip (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 24: Author intends to convey: 1. Importance of having Mechanical Seal Refurbishment facility in a refinery complex, supported by interesting case studies on critical mechanical seal failures. Minimum set up ...
    • Drivetrain Protection Through Coupling Design 

      Doidge, Oliver (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      This paper is designed to explain types of coupling advanced features and modifications used in turbomachinery, where drivetrain protection is desired. The subject includes a review of flexible coupling types, their ...
    • Dry Gas Seal (DGS) Separation Seal Failure 

      Woon Lip, Teo; Mathew, Ajay; Mane, Raj; Ogata, Takayuki (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      This case study presents the failures experienced on separation seals installed on several compressors. The failures resulted in oil migration to the dry gas seals. Segmented contact-type carbon ring bushing separation ...
    • Dry Gas Seal Contamination During Operation and Pressurized Hold - Background and Potential Solutions 

      Goebel, Daniel; Schmidt, Glenn (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Technical Brief 1: This paper will discuss the challenges with contamination of gas seals. The reliability of gas seals is largely dependent on having a continuous supply of clean and dry seal gas. In dynamic mode, gas ...
    • Dry Gas Seal Contamination During Operation and Pressurized Hold Background and Potential Solutions 

      Goebel, Daniel; Schmidt, Glenn (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
      This paper will discuss the challenges with contamination of gas seals. The reliability of gas seals is largely dependent on having a continuous supply of clean and dry seal gas. In dynamic mode, gas supply systems take ...
    • Dry Gas Seal Failure and Trouble Shooting 

      Manikandan, A.; Subramaniyam, Moorthy (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Case Study 14
    • Dry Gas Seals. Application of Double vs. Tandem Dry Gas Seal Advantages 

      Sears, John; Steinmann, Detlev; Bakalchuk, Vladimir; Asokan, S. P. (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 19B: Traditionally double seals have been used for low pressure applications when nitrogen gas at pressure higher than process was available for sealing. Double seals were not applied to low pressure processes ...
    • Dry Gas Seals. Centrifugal Compressor Shaft End Seals 

      Bhat, Vasanth (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 19A
    • Dry Gas Seals. Monitoring a Tandem Dry Gas Seal's Secondary Seal 

      Hosana, Rich; Schmidt, Glenn; Bakalchuk, Vladimir; McCraw, Jim (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 19D: Rotating equipment and instrument engineers working with dry gas seals should attend this tutorial to increase their knowledge of methods for monitoring secondary seals. Over the last several years a number ...
    • Dry Gas Seals. Wet Seal to Dry Gas Seal Conversion - Considering the Benefits of Retrofitting Your Compressor 

      Doorenbos, Athal (Turbomachinery Laboratories, Texas A&M Engineering Experiment Station, 2016)
      Tutorial 19C: Dry gas seals are specified in most of the new centrifugal compressors; yet many installed units are still equipped with conventional oil sealing systems. The benefits of dry gas seals conversions from ...