41–60 of 126 hits
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    A parametric starting study of an axial-centrifugal gas turbine engine using a one-dimensional dynamic engine model and comparison to experimental results: Part II - Simulation calibration and trade-off study

    Owen, A.K. / Daugherty, A. / Garrard, D. et al. | Tema Archive | 1999
    In a companion paper, presented as Part 1 (121(99)3, page 377-383), the objectives, justification, and approach of the small gas turbine ...
    Keywords: Gasturbine

    Stoichiometric operation of a gas engine utilizing synthesis gas and EGR for NO(x) control

    Smith, J.A. / Bartley, G.J.J. | Tema Archive | 2000
    characteristics of the fuel reforming catalyst are presented. Results show that thermal efficiency increases with increasing EGR for both natural gas ...

    Controlled SSCI With Moderate End-Gas Auto-Ignition for Fuel Economy Improvement and Knock Suppression

    Wang, Mengke | Online Contents | 2015
    bar BMEP with BSFC of 256 g/(kWh), improving the fuel economy over 12% while maintaining approximately the same power. The results show that ...
    Keywords: Gasturbine

    Experience With Gas Path Analysis for On-Wing Turbofan Condition Monitoring

    Verbist, Michel L. / Visser, Wilfried P.J. / Buijtenen, Jos P. van | Tema Archive | 2014
    Gas path analysis (GPA) is an effective method for determination of turbofan component condition from measured performance parameters. GPA ...

    A constant-pressure model for the overlap of chambers in rotary internal combustion engines

    López, Ezequiel J | Online Contents | 2016
    combustion engines. The proposed model is thermodynamic (or zero-dimensional) in nature and is designed for application in engine simulators that ...
    Keywords: Gasturbine

    Thermodynamic and Economic Analysis and Multi-objective Optimization of Supercritical CO2 Brayton Cycles

    Zhao, Hang | Online Contents | 2016
    Genetic Algorithm II (NSGA-II) is selected for the Pareto-based multi-objective optimization of the RRBC, with the maximum exergy efficiency and ...
    Keywords: Gasturbine

    NSTS orbiter auxiliary power unit turbine wheel cracking risk assessment

    Cruse, T.A. / McClung, R.C. / Torng, T.Y. | Tema Archive | 1992
    wesentliche Komponente ist eine Gasturbine, deren Schaufeln bei einer Überprüfung unerwartete Rißbildungen aufwiesen. Aus diesem Grunde wurden in ...

    Investigation of Hydrogen Enriched Natural Gas Flames in a SGT-700/800 Burner Using OH PLIF and Chemiluminescence Imaging

    Larfeldt, Jenny | Online Contents | 2015
    using a third generation dry low emission (DLE) burner used in both SGT-700 and SGT-800 industrial gas turbines from Siemens. The burner was ...
    Keywords: Equipment and supplies , Natural gas , Gasturbine

    Static and Modal Topology Optimization of Turbomachinery Components

    Rindi, Andrea | Online Contents | 2016
    holes). This methodology has been applied to a turbine component to reduce the static stress level and the weight of the part and, at the same ...
    Keywords: Gasturbine

    Characteristics of a Spherical-Seat TPJB With Four Methods of Directed Lubrication—Part I: Thermal and Static Performance

    Coghlan, David M | Online Contents | 2017
    for every test to maintain clearance and preload; each method of lubrication is added as an assembly to the bearing. Test conditions include ...
    Keywords: Gasturbine

    Exhaust gas emissions of butanol, ethanol, and methanol-gasoline blends

    Rice, R.W. / Sanyal, A.K. / Elrod, A.C. et al. | Tema Archive | 1991

    Ejector Application for Scavenging of an Aero Engine Bearing Chamber

    Flouros, Michael | Online Contents | 2017
    , “Ejector Scavenging of Bearing Chambers. A Numerical and Experimental Investigation,” ASME J. Eng. Gas Turbines Power, 135(8), p. 081602), the new ...
    Keywords: Gasturbine

    Effects of Opening and Closing Fuel-Injector Valve on Air/Fuel Mixture

    Ishii, Eiji | Online Contents | 2017
    during the opening and closing of valves are essential for studying the effects of valve motions on air/fuel mixtures. In this study, we ...
    Keywords: Gasturbine

      Effects of Opening and Closing Fuel-injector Valve on Air/Fuel Mixture

      Ishii, Eiji | Online Contents
      to deal with multiple injections. One of difficulties in the multiple injections is to control fuel spray behaviors during opening and ...
      Keywords: Gasturbine

    Improving the Performance of a Biogas Powered Dual Fuel Diesel Engine Using Emulsified Rice Bran Biodiesel as Pilot Fuel Through Adjustment of Compression Ratio and Injection Timing

    Bora, Bhaskor J | Online Contents | 2015
    fuel replacement of 82.22% at pilot fuel IT of 29 deg BTDC and CR of 18. For the same combination, CO and HC emissions are found to be least in ...
    Keywords: Gasturbine

    Evaluation of Measurement Uncertainties for Pneumatic Multihole Probes Using a Monte Carlo Method

    Hölle, Magnus | Online Contents | 2017
    method can be applied to different types of evaluation algorithms and is suitable for steady flow-field measurements in compressible flows. The ...
    Keywords: Gasturbine

    An Evaluation of Combustion and Emissions Performance With Low Cetane Naphtha Fuels in a Multicylinder Heavy-Duty Diesel Engine

    Zhang, Yu | Online Contents | 2016
    greenhouse gas impact. This study investigates the combustion and emissions performance of two naphtha fuels (Naphtha 1: RON59 and Naphtha 2: RON69 ...
    Keywords: Gasturbine

    Evaluation of Measurement Uncertainties for Pneumatic Mulit-Hole Probes Using a Monte Carlo Method

    Hoelle, Magnus | Online Contents | 2017
    method can be applied to different types of evaluation algorithms and is suitable for steady flowfield measurements in compressible flows. The ...
    Keywords: Gasturbine

    Energy usage in natural gas pipeline applications

    Garcia-Hernandez, Augusto / Brun, Klaus | Tema Archive | 2012
    , site data, and running speed correction curves for the power were loaded in the model for each machine. The pipeline system covers 218 miles of ...

    Rotordynamic Computational and Experimental Characterization of a Convergent Honeycomb Seal Tested With Negative Preswirl, High Pressure With Static Eccentricity and Angular Misalignment

    Vannini, Giuseppe | Online Contents | 2017
    effectively act as a gas bearing as well as a seal. The test plan included variations of inlet pressure, differential pressure (given the same inlet ...
    Keywords: Gasturbine

      ROTORDYNAMIC COMPUTATIONAL AND EXPERIMENTAL CHARACTERIZATION OF A CONVERGENT HONEYCOMB SEAL TESTED WITH NEGATIVE PRE-SWIRL, HIGH PRESSURE WITH STATIC ECCENTRICITY AND ANGULAR MISALIGNMENT

      Vannini, Giuseppe | Online Contents | 2016
      Hole-pattern or honeycomb seals have been commonly used for many years in the Oil & Gas industry as damper seals for turbo-machinery. The ...
      Keywords: Gasturbine

    Developing Additive Manufacturing Technology for Burner Repair

    Andersson, Olov | Online Contents | 2017
    Low emission combustion is one of the most important requirements for industrial gas turbines. Siemens industrial gas turbines SGT-800 and ...
    Keywords: Gasturbine

      Developing additive manufacturing technology for burner repair

      Andersson, Olov H | Online Contents | 2016
      Low emission combustion is one of the most important requirements for Industrial gas turbines. Siemens Industrial gas turbines SGT-800 and ...
      Keywords: Gasturbine