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Transition Length Prediction for Flows With Rapidly Changing Pressure Gradients
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new method for calculating intermittency in transitional boundary layers with changing pressure gradients is proposed and tested against standard turbomachinery flow cases. It is based on recent ...
Periodic Transition on an Axial Compressor Stator: Incidence and Clocking Effects: Part I—Experimental Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Periodic wake-induced transition on the outlet stator of a 1.5-stage axial compressor is examined using hot-film arrays on both the suction and pressure surfaces. The time-mean surface pressure ...
Periodic Transition on an Axial Compressor Stator: Incidence and Clocking Effects: Part II—Transition Onset Predictions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transition onset observations from a 1.5-stage axial compressor outlet stator presented in Part I of this paper are compared with the predictions of conventional transition correlations applied ...
Investigation of the Calmed Region Behind a Turbulent Spot
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Measurements are presented of the calmed region behind triggered wave packets and turbulent spots under a controlled diffusion adverse pressure gradient in a wind tunnel. Similar measurements are ...
The Influence of Wake–Wake Interactions on Loss Fluctuations of a Downstream Axial Compressor Blade Row
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The interaction between wakes of an adjacent rotor–stator or stator–rotor blade row pair in an axial turbomachine is known to produce regular spatial variations in both the time-mean and unsteady ...
The Key Role of Coupled Chemistry–Climate Interactions in Tropical Stratospheric Temperature Variability
Publisher: American Meteorological Society
Abstract: The purpose of this study is to quantify the effects of coupled chemistry–climate interactions on the amplitude and structure of stratospheric temperature variability. To do so, the authors examine two simulations run on ...