Results 111 to 120 of about 17,501 (159)

TMPA-HC: a two-stage heterogeneous multi-population algorithm with cooperative search for high-dimensional feature selection. [PDF]

Sci Rep
Chen A, Pan P, Quan N, Zhou B.
europepmc   +1 more source

Progressive colloidal clogging mechanism by dendritic build-up in porous media.

Soft Matter
Okaybi W, Roman S, Soulaine C.
europepmc   +1 more source

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On stagnation pressure increases in calorically perfect, ideal gases

International Journal of Heat and Fluid Flow, 2016
Abstract When stagnation pressure rises in a natural or numerically simulated flow it is frequently a cause for concern, as one usually expects viscosity and turbulence to cause stagnation pressure to decrease. In fact, if stagnation pressure increases, one may suspect measurement or numerical errors. However, this need not be the case, as the laws
P R Spalart
exaly   +2 more sources

An empirical model for stagnation pressure gain in rotating detonation combustors

Proceedings of the Combustion Institute, 2021
Abstract This work investigates the stagnation pressure gain in rotating detonation combustors (RDC) and its dependency on the geometry and mass flux of the combustor. Using a Kiel probe to directly measure stagnation pressure in the high-enthalpy exhaust stream, results are presented for a systematic variation of these parameters.
Panagiotis Stathopoulos, Myles Bohon, Eric Bach   +2 more
exaly   +2 more sources

Effect of welding variables on GTAW arc stagnation pressure

Welding in the World, Le Soudage Dans Le Monde, 2020
This paper presents the influence of welding current, electrode-workpiece distance, electrode composition, electrode diameter, electrode tip angle, shielding gas composition, and pulsed current frequency over the arc stagnation pressure of gas tungsten arc welding (GTAW).
Tiago Vieira Da Cunha, Gabriel De Simas Asquel   +1 more
exaly   +2 more sources

Stagnation Pressure, the Bernoulli Equation, and the Steady-Flow Energy Equation

International Journal of Mechanical Engineering Education, 2011
The Bernoulli equation is arguably the most commonly used equation in fluid mechanics. For the incompressible, inviscid flow along a streamline, the Bernoulli equation states that the total head of the fluid (the sum of the pressure head, velocity head, and elevation head) is constant.
Ali Vakil, Sheldon I. Green
exaly   +2 more sources

Kiel Probes for Stagnation Pressure Measurement in Rotating Detonation Combustors

AIAA Journal, 2022
Panagiotis Stathopoulos, Christian Oliver Paschereit, Mohammad Rezay Haghdoost   +2 more
exaly   +2 more sources

Rise of Total Pressure Near the Stagnation Point on a Sphere

AIAA Journal, 2002
exaly   +2 more sources

Stagnation Pressure Changes in Unsteady Flow

Aeronautical Quarterly, 1971
SummaryThe changes in stagnation pressure produced by movement of rows, arrays and sheets of vortices are derived. By applying Preston’s result for a single row of moving vortices to continuous vortex sheets, the time mean stagnation pressure downstream of a row of blades with fluctuating circulation is derived.
J. H. Horlock, H. Daneshyar
openaire   +1 more source

Pressure induced by a stagnating turbulent field

The Physics of Fluids, 1976
The frequency spectrum of a pressure field resulting from turbulence stagnating on a body is shown to be related to the fluctuating dynamic head through a Fourier-like transform along the mean stagnation streamline.
Goodman, L., Massey, A.
openaire   +2 more sources