Unsteady Flow
The Quantitative Density Measurement of Unsteady Flow around the Projectile
... of flow field with computer-aided image ...steady flow, reproducible unsteady flow or axially-symmetrical unsteady flow in the wind tunnel test be- cause the flow field ...
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Numerical and experimental modelling of unsteady flow in rockfill embankments.
... The unsteady flow test consisted of two phases. The first phase included free gravity flow. The head tank was filled w i t h water, then the control valve was opened very rapidly. In the second ...
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Solution of Unsteady Flow Equations in High Pressure Pipe
... A computer program has been developed both for MoC and Lax F D to solve for discharge (Q) and pressure heads (H) at different cross-sections of the pipe at various time intervals during unsteady flow ...
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A note on an unsteady flow of an Oldroyd B fluid
... It would be appropriate to point out that a popular technique for studying such un- steady flows, namely, Laplace transforms, may be inappropriate for certain unsteady flow problems, unless certain ...
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Unsteady Flow and Transition Phenomena in an Axial Flow Compressor
... the flow around flat plate aerofoils with circular arc leading edge profiles have shown that a separation bubble will often form near the leading edge blend point [5, 44, 45, ...of unsteady flow on ...
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Unsteady Flow and Transition Phenomena in an Axial Flow Compressor
... Unsteady flow arising from interactions between adjacent blade rows in axial tur- bomachinery usually results in multi-moded transition on blade surfaces. This was discussed in review papers by Mayle [111] ...
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Investigation of unsteady flow in axial turbine stage
... New methodologies and new instrumentations were developed at VZLU and successfully integrated to gain valuable information from experiments with turbine stages. Two different turbine stages were tested during the ...
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A methodological approach of estimating resistance to flow under unsteady flow conditions
... Proper determination of resistance parameters: friction slope, friction velocity and Manning coefficient in unsteady flow is very often hampered by scarcity or high uncertainty of input data. However, when ...
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Unsteady flow of a thixotropic fluid in a slowly varying pipe
... steady flow to unsteady flow, in which the driving pressure gradients and thus the volume flux of fluid along the pipe may vary on a different time scale from the ...in unsteady flow, ...
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Design challenges of steel pipelines in unsteady flow conditions
... For the derivation of the governing equation providing the radial deflection of the pipeline’s wall, Allievi’s unsteady- flow formula [5] will be adopted. According to Allievi’s study, the pressure change ...
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Unsteady Flow and Transition Phenomena in an Axial Flow Compressor
... transitional flow phenomena occurring on the surface of blade row ...including unsteady flow effects which occur due to the relative motion between adjacent blade ...of unsteady flow is ...
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The unsteady flow characteristic research on the initial period flow of micro channel
... solution flow is very important to biological cell micro injection; this paper adopts the method of computational fluid dynamics, unsteady flow dynamic characteristics of the conical micro channel ...
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Unsteady Flow and Transition Phenomena in an Axial Flow Compressor
... 7.19 Unsteady flow field 19.7%c axially downstream from CD stator trailing edge. Top: Case A (φ = 0.750). Bottom: Case B (φ = 0.710). Left: time-mean ensemble averaged velocity. Centre: time-mean random, ...
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Unsteady Flow and Transition Phenomena in an Axial Flow Compressor
... that unsteady flow effects influence vibration, noise generation and the aerodynamic performance of axial ...turbomachinery. Unsteady flow arises due to the relative motion between adjacent ...
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Diffussion of Thermo Effects on Unsteady Flow through Porous Medium
... Fluid Flow Over An Infinite Vertical Porous Surface With Chemical Reaction”, International Journal of Mathematics and its Applications, ISSN:2345-1557, Vol:5, Issuse 4-E, 2017, ...
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Simulation of a 3D unsteady flow in an axial turbine stage
... Abstract: The contribution deals with a numerical simulation of an unsteady flow in an axial turbine stage. The solution is performed using an in-house numerical code developed in the Aeronautical and Test ...
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Unsteady flow phenomena in an axial flow compressor
... a consideration of measurements and potential flow model calculations has indicated that "potential flow" absolute velocity'defects downstream of the rotor are only about 20% of the defe[r] ...
130
Blade loading on tidal turbines for uniform unsteady flow
... the unsteady hydrodynamic loads on tidal turbine blades is necessary to enable more reliable predictions of their fatigue life and to avoid premature ...an unsteady planar forcing in a towing ...for ...
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Unsteady Flow and Transition Phenomena in an Axial Flow Compressor
... In the first stage, a laminar boundary layer has grown in thickness to the point where small disturbances in the flow may be amplified. These initial disturbances can originate from a range of possible sources, ...
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Unsteady Flow and Transition Phenomena in an Axial Flow Compressor
... studied. Flow simulations using the unsteady quasi three-dimensional flow solver, UNSFLO, were used to interpret the unsteady laminar flow behaviour at the leading edge of both C4 and ...
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