1–20 of 23 hits
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    A new method of predicting the performance of gas turbine engines

    Yonghong, W. | Tema Archive | 1991
    Es wird gezeigt, daß die zur Bestimmung des Turbinen-Betriebsverhaltens häufig angewendete Rechenmethode ein numerisch instabiler ...

    An investigation into the hydrodynamic efficiency of an oscillating water column

    Morris-Thomas, Michael T. / Irvin, Rohan J. / Thiagarajan, Krish P. | Tema Archive | 2007
    chamber coupled with a turbine for power take off. This present work concentrates on the wave interaction with the semi-submerged chamber, whereby ...

    Application of an industrial sensor coating system on a rolls-royce jet engine for temperature detection

    Feist, J.P. / Sollazzo, P.Y. / Berthier, S. et al. | Tema Archive | 2013
    Thermal barrier coatings are used to reduce the actual working temperature of the high pressure turbine blade metal surface and; hence ...

    Automatic system for wind turbine testing

    Camporeale, S.M. / Fortunato, B. / Marilli, G. | Tema Archive | 2001
    accuracy in the measurements of torque and speed for each steady-state point of the turbine characteristic power curve. Another useful advantage ...

    Ceramic bearings for use in gas turbine engines

    Zaretsky, E.V. | Tema Archive | 1989
    For three decades research has been performed into the use of nonmetallic and refractory materials as rolling-element materials for use in ...
    Keywords: TURBINE

    Computational fluid dynamics analysis of a hydrokinetic turbine based on oscillating hydrofoils

    Kinsey, Thomas / Dumas, Guy | Tema Archive | 2012
    ) predictions are found to compare favorably with experimental data especially for the case of a single-hydrofoil turbine. The validity of approximating ...
    Keywords: hydrokinetische Turbine

    Deposit formation and mitigation in aircraft fuels

    Spadaccini, L.J. / Sobel, D.R. / Huang, H. | Tema Archive | 2001
    The development of a viable strategy for limiting coke deposition involves combining synergistic approaches for suppressing deposit buildup ...

    Development of a ceramic particulate trap for urban buses

    Cornetti, G.M. / Messori, P.P. / Operti, C. | Tema Archive | 1989

    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 ...

    Features of automotive gas tank filler pipe two-phase flow: experiments and computational fluid dynamics simulations

    Banerjee, R. / Isaac, K.M. / Oliver, L. et al. | Tema Archive | 2002
    , were conducted for nominal flow rates of 4-18 liters per minute. Video and still cameras were used for imaging. Features of the flow such as ...

    Goodman diagram via vibration-based fatigue testing

    George, Tommy J. / Shen, M.H. Herman / Scott-Emuakpor, Onome et al. | Tema Archive | 2005
    stress ratios. The performance of the methodology is demonstrated with experimental results for mild steel, 6061-T6 aluminum, and Ti-6Al-4V plate ...

    Jet-surface interaction test: Far-field noise results

    Brown, Clifford A. | Tema Archive | 2013
    noise shield and when the jet-surface interaction is creating additional noise, and (2) determine regions of interest for future, more detailed ...

    Mission performance simulation of integrated helicopter-engine systems using an aeroelastic rotor model

    Goulos, Ioannis / Giannakakis, Panagiotis / Pachidis, Vassilios et al. | Tema Archive | 2013
    , and unsteady blade structural loads is presented. It is shown that, for the typical range of operating conditions encountered by modern twin ...

    Novel approaches for the integration of high temperature PEM fuel cells into aircrafts

    Novillo, Eva / Pardo, Monica / Garcia-Luis, Alberto | Tema Archive | 2011
    Reduced greenhouse gas emissions via improved energy efficiency represent the ultimate challenge for the energy economy of the future. In ...
    Keywords: auxiliary Power Unit

    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 ...

    Propeller Synchrophase Angle Optimization of Turboprop-Driven Aircraft - An Experimental Investigation

    Huang, Xianhua / Sheng, Long / Wang, Yangyang | Tema Archive | 2014
    Propeller synchrophasing is an effective way of reducing interior noise and vibration of turboprop-driven aircraft. However, synchrophasing ...

    Rotorcraft engine cycle optimization at mission level

    Goulos, Ioannis / Hempert, Fabian / Sethi, Vishal et al. | Tema Archive | 2013
    dynamics, rotor blade aeroelasticity, and gas turbine performance, has been deployed. A comprehensive and computationally efficient optimization ...
    Keywords: Gasturbine

    Spray and flame structure of a generic injector at aeroengine conditions

    Meier, Ulrich / Heinze, Johannes / Freitag, Stefan et al. | Tema Archive | 2012
    In support of the development of CFD for aeroengine combustion, quantitative measurements of spray properties and temperature were made. A ...

    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 ...