Browsing Middle East Turbomachinery Symposium (METS) by Author "Middle Eastern Turbomachinery Symposium (1st : 2011)"

Now showing items 1-20 of 41

    • 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 ...
    • “Beating” Effect Caused by Two Closely Spaced Mechanical Frequencies Observed on Two-Shaft, Gas Turbine Drive 
      Perez, Robert; Conkey, Andrew (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
    • Case Study of Reverse Rotation Of Centrifugal Compressors - Impacts, Causes & Mitigations 
      Gad, Amr (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Outline: Introduction; Process overview; Compressor design & construction; Narrative of reverse rotation events; Cause of reverse rotation; Possible impacts of reverse rotation; Mitigating actions taken; Lessons learned; ...
    • Centrifugal Compressor Failure Analysis 
      Knight, Cliff; Corleto, Carlos (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Outline: Outline; Introduction & Background; Site Visits; Root Cause Failure Analysis; Failure Site Assessment; Mechanical, Metallurgical, Compressor Performance; Failure Scenario Assessment; Conclusions; Recommendations
    • DESIGN, MANUFACTURE, AND TEST CAMPAIGN OF THE WORLD’S LARGEST LNG REFRIGERATION COMPRESSOR STRINGS 
      Salisbury, Roy; Rasmussen, Pete; Griffith, Todd; Fibbi, Andrea (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Increasing demand for LNG has driven the requirement for a significant increase in LNG plant capacity. Qatargas II (QGII), a joint venture initiated by Qatar Petroleum, is committed to accomplish this while reducing ...
    • Diagnosis and Solution for High-Speed Turboexpander Thrust Loading IssueDiagnosis 
      El-Abyouki, Mohamed; Guerrero, Armando (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Background; Problem Identification; Analysis; Scope; Testing; Conclusions
    • Engine Driven Pumps - Vibration Problem Resolution Using Specialized Testing Techniques 
      Al-Qattan, Aziz; Marscher, William; Savage, Andrew; Olson, Eric (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Outline: Problem description and approach overview. Specialized testing to characterize the problem. Conclusions and recommendations based on the test results. Implementing the solution. Lessons learned.
    • ENHANCING OIL PLATFORM AVAILABILITY AND RELIABILITY 
      Al-Ajji, Abdulbasit (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      As part of the Upgrade project of 1998/99 the Main Oil line (MOL) pumps were replaced with smaller pumps from NUOVA PIGNONE (NP), due to Three-phase separation. The new pumps were installed with John Crane (JC) Double ...
    • 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, 2011)
      Summary: The case. Initial analysis. Root cause analysis. Solution implementation. Results. Conclusions.
    • Fifteen Years of Field Experience in LNG Expander Technology 
      Patel, Vinod; Kimmel, Hans (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      From the earliest days of gas liquefaction, the thermodynamic process advantage of employing cryogenic liquefied gas expanders in place of throttling valves was very well recognized. The available technology was unable ...
    • Floating Seal Ring Acting as a Third Bearing 
      Mekawey, Sherif (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Background: The synthesis Gas Compressor was recently overhauld. Replaced the IP Compressor ortor, interstage seals and floating seal rings. Replaced the inboard radial and thrust bearings of IP Compressor. When the machine ...
    • FLUID FILM BEARINGS FUNDAMENTALS 
      Zeidan, Fouad (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Bearings constitute one of the most critical components in turbo and rotating machinery today. Their influence on the rotordynamic performance, life, and reliability of the machine cannot be ignored. Many of the problems ...
    • Gas Seal Contamination 
      Bridon, Raphael; Lebigre, Oliver (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Design of seals and sealing systems requires multidisciplinary skills and deep understanding of interactions between the seals and its environment. This paper proposes to present typical gas seals contaminants and ...
    • GAS TURBINES DURABILITY IN HARSH ENVIRONMENTS 
      Mutasim, Zaher (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      The performance and durability of industrial gas turbines are strongly dependent on the operating conditions and the environment in which they function at. Engine performance and durability must be equally considered ...
    • Gearbox Misalignment on Combustion Gas Turbine Generator 
      Al-Hajri, Mohammed (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      To share with you Abqaiq Plants’ successful experience in resolving a high vibration problem on a Gas Turbine Load Gearbox
    • GETTING THE FACTS ON OIL MIST LUBRICATION 
      Ehlert, Don (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Oil mist lubrication is a proven and environmentally clean technology for the lubrication of rotating equipment in process industries. The use of oil mist lubrication has grown dramatically worldwide delivering increased ...
    • HIGH FLOW PROTECTION FOR VARIABLE SPEED PUMPS 
      Al-Dhafiri, Amer; Al-Shuhail, Yousuf; Al-Odan, Nabeel (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Low flow operation is a well-known cause of centrifugal pump failures and thus it is a custom to have low flow protection. On the other hand, protecting pumps from excessively high flow is usually not considered during ...
    • HOT SPOTS IN TURBOEXPANDER BEARINGS: CASE HISTORY, STABILITY ANALYSIS, MEASUREMENTS AND OPERATIONAL EXPERIENCE 
      Schmied, Joachim; Pozivil, Josef (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      HOT SPOTS IN TURBOEXPANDER BEARINGS: DESCRIPTION OF THE MACHINE. ROTORDYNAMIC BEHAVIOR (ANALYSIS AND TEST). THE HOT SPOT PHENOMENON. ANALYSED AND TESTED MODIFICATIONS. CONCLUSIONS
    • IMPACT OF ELECTRICAL NOISE ON THE TORSIONAL RESPONSE OF VFD COMPRESSOR TRAINS 
      Kocur, John; Muench, Maximilian (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      The popularity of VFD motors in compressor trains has increased in recent years. Increased process flexibility is a primary consideration for implementation of VFD systems. However, this comes at a cost of increased ...
    • Large Vibrations on a Centrifugal Compressor Caused by High Windage Heating on a Flexible Coupling–Root Cause Analysis and Solutions 
      Bidaut, Yves; Baumann, Urs (Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2011)
      Background: 2 parallel trains consisting of a Low Pressure (LPC) and High Pressure (HPC) compressors were supplied for an offshore reinjection application near the coast of Angola. During the commissioning on site large ...