Results 11 to 20 of about 7,668 (263)

Swirls in the solar corona

open access: yesAstronomy & Astrophysics, 2023
Context. Vortex flows have been found in the photosphere, chromosphere, and low corona in observations and simulations. It has been suggested that vortices play an important role in channeling energy and plasma into the corona. However, the impact of vortex flows on the corona has not been studied directly in a realistic setup. Aims. We investigate the
C. Breu   +3 more
openaire   +5 more sources

3D Numerical Simulation and Performance Analysis of CO2 Vortex Tubes

open access: yesApplied Sciences, 2021
In view of the extensive application of swirl flow pipes (vortex tubes) in refrigeration systems, the parameters of swirl flow pipes were investigated to provide optimal cooling and heating conditions. Three-dimensional numerical simulations were carried
Qijun Xu, Jinfeng Wang, Jing Xie
doaj   +1 more source

Spectrophotometric and Topographic Correlations within the Mare Ingenii Swirl Region: Evidence for a Highly Mobile Lunar Regolith

open access: yesThe Planetary Science Journal, 2023
The spectrophotometric properties of two study areas in the Ingenii swirl region show that the combined effects of multiple processes are required to explain the regolith’s mineralogical and physical properties.
Deborah Domingue   +7 more
doaj   +1 more source

Whirls and swirls of polarization [PDF]

open access: yesScience, 2021
Exotic toroidal polarization textures in a polymer ferroelectric interact with terahertz ...
openaire   +4 more sources

Experiment and numerical study of the combustion behavior of hydrogen-blended natural gas in swirl burners

open access: yesCase Studies in Thermal Engineering, 2022
Hydrogen production from renewable energy is gaining increasing attention to enhance energy consumption structure and foster a more eco-friendly and sustainable society.
Wei Du   +4 more
doaj   +1 more source

Design of a Swirl-Stabilized Burner With Fluidically Variable Swirl Number

open access: yesVolume 3B: Combustion, Fuels, and Emissions, 2023
Abstract For flame stabilization, burner systems are usually equipped with swirlers which incite a defined air rotation, quantified by the swirl number. In consequence, the swirl number, which significantly influences the flame dynamics, is fixed.
Eck, Mattias E. G.   +4 more
openaire   +2 more sources

Effect of Hot Streak on Aerothermal Performance of High Pressure Turbine Guide Vane under Different Swirl Intensities

open access: yesAerospace, 2022
In advanced civil aero-engine, the gas exiting combustor typically features hot streak (HS) and swirl that affect the aerothermal performances of the high pressure (HP) nozzle guide vane (NGV).
Shenghui Zhang   +3 more
doaj   +1 more source

Swirling-sweepers [PDF]

open access: yesACM SIGGRAPH 2004 Sketches on - SIGGRAPH '04, 2004
Summary: Swirling-sweepers is a new method for modeling shapes while preserving volume. The artist describes a deformation by dragging a point along a path. The method is independent of the geometric representation of the shape. It preserves volume and avoids self-intersections, both local and global.
Angelidis, Alexis   +3 more
openaire   +4 more sources

Experimental Investigation of Rotor Tip Film Cooling at an Axial Turbine with Swirling Inflow Using Pressure Sensitive Paint

open access: yesInternational Journal of Turbomachinery, Propulsion and Power, 2019
Rotor tip film cooling is investigated at the Large Scale Turbine Rig, which is a 1.5-stage axial turbine rig operating at low speeds. Using pressure sensitive paint, the film cooling effectiveness η at a squealer-type blade tip with ...
Manuel Wilhelm, Heinz-Peter Schiffer
doaj   +1 more source

A method of processing mechanical mixtures using vortex set of deep separation [PDF]

open access: yesОмский научный вестник, 2018
There is described a new method of processing mechanical mixtures using a vortex set of deep separation – VCGS and experimental model of a new vortex separator in the form of cyclone nozzles.
V. I. Kuznetsov, O. A. Sharikov
doaj   +1 more source

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