1–19 of 19 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 ...

    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

    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 ...

    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 ...

    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 ...

    First and Second Law Analysis of Future Aircraft Engines

    Grönstedt, Tomas / Irannezhad, Mohammad / Thulin, Oskar et al. | Tema Archive | 2014
    performance data are given in take-off, top of climb, and cruise to support the analysis. The losses are analyzed, based on a combined use of the ...

    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 ...

    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 ...

    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 ...

    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 ...

    Comparisons of diesel spray liquid penetration and vapor fuel distributions with in-cylinder optical measurements

    Ricart, L.M. / Reltz, R.D. / Dec, J.E. | Tema Archive | 2000
    The performance of two spray models for predicting liquid and vapor fuel distribution, combustion and emissions is investigated. The model ...

    Development of a ceramic particulate trap for urban buses

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

    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 ...

    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

    Design development of unitized titanium structure

    Groneck, D. / Harmon, D. | Tema Archive | 2003
    . The typical overall dimensions of each casting are 50 inches x 40 inches x 30 inches, and weigh approximately 190 pounds per casting. The ...

    Effect of Inlet Geometry on Film-Cooling Effectiveness from Shaped Holes

    Wang, Hanlin / Wright, Lesley M. | AIAA | 2024

    Modern gas turbine engines require a sophisticated cooling system design to achieve higher power output and efficiency. This study

     ...
    Publisher: The American Institute of Aeronautics and Astronautics
    Keywords: Aircraft Components and Structure , Gas Turbine Engines

    Technology demonstration nozzle for Mach 7 turboramjets

    Pirker, K. / Knott, U. | Tema Archive | 1995
    Im Rahmen des Projekts SÄNGER für ein wiederverwendbares Raumfahrzeug wurde von MTU eine Düse mit rechtwinkligem Querschnitt entwickelt ...

    Optimizing aircraft performance with adaptive, integrated flight/propulsion control

    Smith, R.H. / Chisholm, J.D. / Stewart, J.F. | Tema Archive | 1991
    Bordmodelle zur Berechnung der Einlaß-, Motor- und Düsenwerte werden optimiert zur Ermittlung eines Regel-Trim-Sets, das dann inkrementell für die ...