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RISThe Aerodynamic and Mechanical Performance of a High-Pressure Turbine Stage in a Transient Wind Tunnel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new transient facility for the study of time mean and unsteady aerodynamics and heat transfer in a high-pressure turbine has been commissioned and results are available. A detailed study has ...
Effects of Rotation on Blade Surface Heat Transfer: An Experimental Investigation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Measurements of turbine blade surface heat transfer in a transient rotor facility are compared with predictions and equivalent cascade data. The rotating measurements involved both forward and ...
The Development of Fast Response Aerodynamic Probes for Flow Measurements in Turbomachinery
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The advent of a new generation of transient rotating turbine simulation facilities, where engine values of Reynolds and Mach number are matched simultaneously together with the relevant rotational ...
The Use of Semi-Conductor Sensors for Blade Surface Pressure Measurement in a Model Turbine Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The development of semi-conductor sensors particularly aimed at gas turbine technology applications is outlined. Methods of manufacture and means of utilizing some of the inherent advantages of ...
Time-Resolved Vane-Rotor Interaction in a High-Pressure Turbine Stage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes the time-varying aerodynamic interaction mechanisms that have been observed within a transonic high-pressure turbine stage; these are inferred from the time-resolved behavior ...
Surface Heat Transfer Fluctuations on a Turbine Rotor Blade Due to Upstream Shock Wave Passing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A theoretical model to explain observed rapid large-scale surface heat transfer rate fluctuations associated with the impingement of nozzle guide vane trailing edge shock waves on a transonic ...
Wake, Shock, and Potential Field Interactions in a 1.5 Stage Turbine—Part I: Vane-Rotor and Rotor-Vane Interaction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The composition of the time-resolved surface pressure field around a high-pressure rotor blade caused by the presence of neighboring blade rows is investigated, with the individual effects of ...
Wake, Shock, and Potential Field Interactions in a 1.5 Stage Turbine—Part II: Vane-Vane Interaction and Discussion of Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The composition of the time-resolved surface pressure field around a high-pressure rotor blade caused by the presence of neighboring blade rows is investigated with the individual effects of ...
An Axial Turbobrake
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The “Axial Turbobrake” (patent applied for) is a novel turbomachine that can be used to absorb power generated by test turbines. Unlike a compressor, there is no pressure recovery through the ...
Developments in Instrumentation and Processing for Transient Heat Transfer Measurement in a Full-Stage Model Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transient heat transfer measurement techniques have long been used in two-dimensional stationary cascade tests designed to model turbine conditions used in Oxford. More recently, experiments studying ...