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The Effect of Wake Passing on a Flow Separation in a Low-Pressure Turbine Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes an investigation into the effect that passing wakes have on a separation bubble that exists on the pressure surface and near the leading edge of a low-pressure turbine ...
Transition on the T106 LP Turbine Blade in the Presence of Moving Upstream Wakes and Downstream Potential Fields
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Boundary layer measurements were performed on a cascade of the T106 high lift low-pressure (LP) turbine blades that was subjected to upstream wakes and a moving downstream potential field. Tests ...
Boundary Layer Transition on the High Lift T106A Low-Pressure Turbine Blade With an Oscillating Downstream Pressure Field
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the results of an experimental study of the interaction between the suction surface boundary layer of a cascade of low-pressure (LP) turbine blades and a fluctuating downstream ...
The Effect of Wake Induced Structures on Compressor Boundary-Layers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The interaction of a convected wake with a compressor blade boundary layer was investigated. Measurements within a single-stage compressor were made using an endoscopic PIV system, a surface ...
A New Intermittent Aspirated Probe for the Measurement of Stagnation Quantities in High Temperature Gases
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the design, manufacture, and testing of a new probe for the measurement of temperature and pressure in engine environments. The probe consists of a choked nozzle located ...
Pressure Surface Separations in Low-Pressure Turbines—Part 1: Midspan Behavior
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes an investigation into the behavior of the pressure surface separation at midspan in a linear cascade. It is found that the pressure surface separation can be a significant ...
Optimization of Nonaxisymmetric Endwalls in Compressor S-Shaped Ducts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new design methodology for strutted S-shaped compressor ducts that allows for more aggressive designs while maintaining current levels of duct loss. A baseline duct geometry ...
A New Alternative for Reduction in Secondary Flows in Low Pressure Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a new flow mechanism for the reduction in secondary flows in low pressure turbines using the benefit of contoured endwalls. The extensive application of contoured endwalls ...
Pressure Surface Separations in Low-Pressure Turbines—Part 2: Interactions With the Secondary Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a study of the interaction between the pressure surface separation and the secondary flow on low-pressure turbine blades. It is found that this interaction can significantly ...
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