Results 261 to 270 of about 15,310,679 (339)
Some of the next articles are maybe not open access.

Parametrization of secondary flow intensity for laminar forced convection in twisted elliptical tube and derivation of loss coefficient and Nusselt number correlations by numerical analysis

International Journal of Thermal Sciences, 2020
The parameters used to specify the intensity of secondary flow in helical coiled tube and tubes with twisted tape insert can be obtained easily without knowing whole detail velocity field.
Liangbi Wang
exaly   +2 more sources

A comprehensive analysis of secondary flow effects on the performance of PEMFCs with modified serpentine flow fields

Energy Conversion and Management, 2019
Modified serially–linked serpentine flow fields are proposed for proton exchange membrane fuel cells (PEMFCs) and their performances are numerically studied.
Chunhua Min, Xuguang Yang
exaly   +2 more sources

Influence of the secondary flow control on the transverse gaseous injection flow field properties in a supersonic flow

Acta Astronautica, 2019
The supersonic mixing process is a critical issue for the design of the scramjet engine. In this paper, the secondary flow control concept has been proposed and studied in order to strengthen the mixing process between the fuel and the incoming flow with
Wei Huang, Gautam Choubey
exaly   +2 more sources

A Secondary Flow Calculation Method for Single-Stage Axial Transonic Flow Compressors, Including Shock-Secondary Flow Interaction

open access: yesJournal of Turbomachinery, 1989
A secondary flow calculation method is presented, which makes use of the meridional vorticity transport equation. Circumferential mean flow quantities are calculated using an inverse procedure. The method makes use of the mean kinetic energy integral equation and calculates simultaneously hub and tip secondary flow development.
J. Kaldellis   +3 more
openaire   +2 more sources

Quantitative Analysis on Influence of Secondary Flow for Centrifugal Impeller Internal Flow

The Physics of Fluids, 2023
A comprehensive quantitative analysis of a high-load transonic centrifugal compressor is performed under the design point. The reason for secondary flow within the impeller is examined under the approximation of boundary layer theory.
Zi-Liang Li   +4 more
semanticscholar   +1 more source

Secondary Flow and Flow Redistribution in Two Sharp Bends on the Middle Yangtze River

Water Resources Research, 2021
It remains an open question whether the state of knowledge on bend hydrodynamics applies to sharp bends in the largest river systems on Earth. This paper reports a field investigation into the hydrodynamics in two consecutive sharp bends of the Middle ...
Shan-Shan Deng   +6 more
semanticscholar   +1 more source

Geometry parameters optimization for a microchannel heat sink with secondary flow channel

International Communications in Heat and Mass Transfer, 2019
Multi-objective optimization of geometry parameters of a microchannel heat sink with secondary flow channel was performed in this paper. The optimization objective is to minimize the thermal resistance and pumping power of the heat sink under constant ...
Xiao-Jun Shi   +3 more
semanticscholar   +1 more source

Secondary flow of second kind in a short channel observed by PIV

, 2020
By using the Stereo Particle Image Velocimetry (PIV) technique we observe the secondary flow of second kind in a corner of a channel of square cross-section. The boundary layer thickness is much lower than the channel size.
Daniel Duda   +4 more
semanticscholar   +1 more source

Characteristics of Secondary Flow Induced by 90-Degree Elbow in Turbulent Pipe Flow

Engineering Applications of Computational Fluid Mechanics, 2014
Seungjin Kim
exaly   +2 more sources

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