3D Measurements of coupled freestream turbulence and secondary flow effects on film cooling
Sign Up to like & getrecommendations! Published in 2018 at "Experiments in Fluids"
DOI: 10.1007/s00348-018-2555-7
Abstract: The effect of freestream turbulence on a single round film cooling hole is examined at two turbulence levels of 5 and 8% and compared to a baseline low freestream turbulence case. The hole is inclined… read more here.
Keywords: film cooling; secondary flow; turbulence; freestream turbulence ... See more keywords
Influence of the secondary flow control on the transverse gaseous injection flow field properties in a supersonic flow
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2019.08.028
Abstract: Abstract 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… read more here.
Keywords: flow control; flow; secondary flow; injection flow ... See more keywords
Unsteady influences of blade loading distribution on secondary flow of ultra-high-lift LPT
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.105550
Abstract: Abstract Experimental measurements were performed to study the influence of blade loading distribution on the aerodynamic performance of an ultra-high-lift low-pressure turbine cascade (Zw = 1.58) in the presence and absence of incoming wakes. The… read more here.
Keywords: loading distribution; blade loading; secondary flow; loaded blade ... See more keywords
Unsteady wakes-secondary flow interactions in a high-lift low-pressure turbine cascade
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2019.10.007
Abstract: Abstract Detailed experimental measurements were conducted to study the interactions between incoming wakes and endwall secondary flow in a high-lift Low-Pressure Turbine (LPT) cascade. All of the measurements were conducted in both the presence and… read more here.
Keywords: unsteady wakes; incoming wakes; pressure turbine; low pressure ... See more keywords
Detailed computational analysis of flow dynamics in an extended respiratory airway model
Sign Up to like & getrecommendations! Published in 2019 at "Clinical Biomechanics"
DOI: 10.1016/j.clinbiomech.2018.12.006
Abstract: Background: Understanding respiratory physiology can aid clinicians in diagnosing the cause of respiratory symptoms or shed light on drug delivery inhaler device optimisation. However, the sheer complexity of the human lung prohibits a full‐scale study.… read more here.
Keywords: respiratory airway; physiology; model; airway model ... See more keywords
Efficient design of heat exchange for CFB reactors in CO2 capture system regarding geometry-induced secondary flow
Sign Up to like & getrecommendations! Published in 2021 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2021.113995
Abstract: Abstract CO2 capture technology using temperature-swing adsorption faces many obstacles for commercialization. Circulating fluidized bed systems have high capture performance, but an energy-efficient design is essential to reduce the CO2 capture cost. In this study,… read more here.
Keywords: secondary flow; geometry; capture; design ... See more keywords
Turbulent rectangular ducts with minimum secondary flow
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2018.06.014
Abstract: Abstract In the present study we perform direct numerical simulations (DNSs) of fully-developed turbulent rectangular ducts with semi-cylindrical side-walls at Reτ, c ≃ 180 with width-to-height ratios of 3 and 5. The friction Reynolds number Reτ, c… read more here.
Keywords: rectangular ducts; side walls; turbulent rectangular; secondary flow ... See more keywords
Experimental study of secondary flows above rough and flat interfaces in horizontal gas-liquid pipe flow
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Multiphase Flow"
DOI: 10.1016/j.ijmultiphaseflow.2020.103235
Abstract: Abstract We perform an experimental analysis of stratified, co-current gas-liquid flow in a straight pipe, with the aim of investigating secondary flow structures in the gas-phase. Planar PIV (particle image velocimetry) of the pipe centerline… read more here.
Keywords: gas liquid; secondary flows; secondary flow; pipe ... See more keywords
Granular dynamics in a vertical bladed mixer: Secondary flow patterns
Sign Up to like & getrecommendations! Published in 2019 at "Powder Technology"
DOI: 10.1016/j.powtec.2018.11.094
Abstract: Abstract This article deals with numerical simulations and experimental measurements of the granular mixing process in a vertical cylindrical mixer with two opposed flat blades with a 45° rake angle. The computer simulations were conducted… read more here.
Keywords: secondary flow; granular dynamics; dynamics vertical; experimental measurements ... See more keywords
Effects of periodic wakes on the endwall secondary flow in high-lift low-pressure turbine cascades at low Reynolds numbers
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/0954410017731443
Abstract: Periodic wakes affect not only the surface boundary layer characteristics of low-pressure turbine blades and profile losses but also the vortex structures of the secondary flow and the corresponding losses. Thus, understanding the physical mechanisms… read more here.
Keywords: periodic wakes; pressure turbine; low pressure; secondary flow ... See more keywords
Numerical study of the influence of splitter geometry on secondary flow control
Sign Up to like & getrecommendations! Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/0957650920962247
Abstract: In turbmachinery, splitters are used to control secondary flow and to improve the aerodynamic performance of outlet guide vane (OGV) of axial fan. However, there is few information in the open literature focusing on the… read more here.
Keywords: geometry secondary; control; splitter geometry; geometry ... See more keywords