Results 171 to 180 of about 9,981 (232)

Fiber-coupled ultrashort-pulse-laser-based electronic-excitation tagging velocimetry. [PDF]

Appl Opt, 2018
Hsu PS, Jiang N, Danehy PM, Gord JR, Roy S.   +4 more
europepmc   +1 more source

Inter-row traveling shock in a transonic turbine

Chinese Journal of Aeronautics
Yuxin SHEN, Lucheng JI, Teng FEI
openaire   +1 more source

Research Progress in Shape-Control Methods for Wire-Arc-Directed Energy Deposition. [PDF]

Materials (Basel)
Wang J, Zhao B, Liu Y, Zhao J, Ma G.
europepmc   +1 more source

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Performance analysis of a transonic high-pressure turbine

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 2007
Efficiency is a crucial design parameter in any turbine development. This research presents a detailed investigation on the efficiency of a modern transonic high-pressure turbine. The work focuses on the study of the efficiency loss at different stage loading factors (ranging from Δ H/U2 = 1.3 to 2.7) and various flow factors ( Vax/ U = 0.41 to 0.90).
Tolga Yasa, Guillermo Paniagua
exaly   +2 more sources

Experimental and numerical flow visualization in a transonic turbine

Journal of Visualization, 2008
This paper focuses on the visualization of both experimental and numerical results and presents research in a highly-loaded cold-flow transonic turbine under continuous and engine-representative conditions. Special focus was placed on blade row interaction at app. 10600 rpm.
Jakob Woisetschläger, Rene Pecnik, Emil Göttlich, Oliver Schennach, Andreas Marn, Wolfgang Sanz, Franz Heitmeir   +6 more
openaire   +1 more source

Interaction Effects in a Transonic Turbine Stage

Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, 2000
A 3D, viscous, time-accurate code has been used to predict the time-dependent flowfield in a transonic turbine stage. Two analytical techniques are used to understand the unsteady physics. One technique takes into account interaction effects associated with reflected waves bouncing between blade rows while the other neglects them. Both techniques model
J. W. Barter, P. H. Vitt, J. P. Chen
openaire   +1 more source

Loss Generation in Transonic Turbine Blading

Journal of Turbomachinery, 2017
The measured loss characteristic in a high-speed cascade tunnel of two turbine blades of different designs showed distinctly different trends with exit Mach number ranging from 0.8 to 1.4. Assessments using steady Reynolds-averaged Navier--Stokes equations (RANS) computation of the flow in the two turbine blades, complemented with control volume ...
Penghao Duan, Choon S. Tan, Andrew Scribner, Anthony Malandra   +3 more
openaire   +1 more source

Transonic Turbine Vane Wake Flows

Volume 1: Turbomachinery, 1996
This paper summarizes the research on transonic turbine vane wake flows carried out in a Transonic Planar Cascade at the National Research Council of Canada between 1987 and 1995. The cascade used in the research is a large scale, continuously operating, inflow facility which was developed to study both flow phenomena and aerodynamics of turbine vanes.
W. E. Carscallen, H. U. Fleige, J. P. Gostelow   +2 more
openaire   +1 more source

Profile Loss of a Printed Transonic Turbine Cascade

Volume 10: Fluids Engineering, 2021
Abstract Profile losses of turbine blades are one of the main problems in turbine technology. Besides the occurring aerodynamic effects, it is well known that the surface roughness has a significant influence on these losses. It is generally known that a better surface quality leads to lower profile losses.
Leander Hake, Stefan aus der Wiesche
openaire   +1 more source