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Application of big data analysis technique on high-velocity airblast atomization: Searching for optimum probability density function 

Urbán, András; Groniewski, Axel; Malý, Milan; Józsa, Viktor; Jedelský, Jan (Elsevier, 2020-08-01)
In this paper, the droplet size distributions of high-velocity airblast atomization were analyzed. The spray measurement was performed by a Phase-Doppler anemometer at several points and different diameters across the spray ...
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Internal flow characteristics in Spill-return pressure-swirl atomizers 

Malý, Milan; Sapík, Marcel; Cejpek, Ondřej; Lízal, František; Ondráček, Vladimír; Jícha, Miroslav; Jedelský, Jan (ILASS, 2019-09-04)
The spray produced by pressure-swirl atomizers strongly depends on the character of their internal flow. Flow field inside a swirl chamber of small pressure-swirl spill-return atomizers was examined using high-speed imaging ...
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The influence of spill-line geometry on a spray generated by a pressure-swirl atomizer 

Malý, Milan; Janáčková, Lada; Jedelský, Jan; Jícha, Miroslav (EDP Sciences, 2016-03-28)
An experimental investigation of characteristics of spray generated by a pressure-swirl atomizer (spill-return type) was performed using shadowgraphy and Phase-Doppler Anemometry (PDA). Several different geometries of the ...
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Influence of operating conditions and atomizer design on circumferential liquid distribution from small pressure-swirl atomizer 

Malý, Milan; Janáčková, Lada; Jedelský, Jan; Jícha, Miroslav (EDP Sciences, 2017-05-12)
The spray symmetry is an important aspect in most practical applications. However, it is often an overlooked parameter. A measurement of circumferential distribution was carried out by a circular-sectored vessel on several ...
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Effect of nanoparticles concentration on the characteristics of nanofluid sprays for cooling applications 

Malý, Milan; Moita, Ana; Jedelský, Jan; Ribeiro, Ana; Moreira, António (Springer, 2019-03-01)
This study addresses the effect of nanofluid synthesis on the rheological properties of the resulting fluid and their consequent effect on the characteristics (size and velocity distribution of droplets, spray cone angle, ...
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Selection of model liquid with refractive index matching for visualization of internal flow in a scaled atomizer model 

Sapík, Marcel; Malý, Milan; Jedelský, Jan; Wigley, Graham; Cejpek, Ondřej (EDP Sciences, 2019-06-28)
A scaled transparent modular model of pressure-swirl (PS) atomizer was prepared from cast PMMA (Poly(methyl methacrylate), Perspex™, Plexiglas™) with the aim to achieve a better understanding of internal flow and subsequent ...
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2D and 3D numerical modelling of internal flow of Pressure-swirl atomizer 

Malý, Milan; Sláma, Jaroslav; Sapík, Marcel; Jedelský, Jan (EDP Sciences, 2019-06-28)
This paper compares 2D axisymmetric and 3D numerical models used to predict the internal flow of a pressure-swirl atomizer using a commercial software Ansys Fluent 18.1. The computed results are compared with experimental ...
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Investigation of pressure swirl sprays using Volumetric PIV 

Cejpek, Ondřej; Jedelský, Jan; Malý, Milan; Sapík, Marcel; Lízal, František; Koched, Amine (ILASS, 2019-09-04)
The volumetric measurement technique (V3V-Flex©) was used to investigate the spray generated by two pressure swirl atomizers (PSAs). Both a simplex pressure swirl atomizer and a spill-return pressure swirl atomizer were ...
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Empirical correlation for spray half cone angle in plain-jet airblast atomizers 

Urbán, András; Katona, Bálint; Malý, Milan; Jedelský, Jan; Józsa, Viktor (Elsevier, 2020-10-01)
Plain-jet airblast atomizers are widely used in industrial applications. The literature contains numerous papers on Sauter mean diameter, however, there is no estimation method available for spray cone angle, SCA, which ...
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Air–liquid interactions in a pressure-swirl spray 

Jedelský, Jan; Malý, Milan; Del Corral, Noé Pinto; Wigley, Graham; Janáčková, Lada; Jícha, Miroslav (Elsevier, 2018-01-02)
The energy transfer between a liquid hollow cone spray and the surrounding air has been studied using both imaging and phase-Doppler techniques. The spray was produced by a pressure-swirl atomizer discharging Jet A-1 fuel ...
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AuthorJedelský, Jan (12)
Malý, Milan (12)
Jícha, Miroslav (5)Sapík, Marcel (5)Janáčková, Lada (4)Cejpek, Ondřej (3)Józsa, Viktor (3)Urbán, András (3)Wigley, Graham (3)Lízal, František (2)... View MoreSubjectPressure-swirl (3)Rapeseed oil (3)Airblast (2)Atomization (2)CFD (2)Internal flow (2)PDA (2)air (1)air core (1)air-droplet interaction (1)... View MoreDate Issued2020 (2)2019 (6)2018 (2)2017 (1)2016 (1)

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Contact Us | Send Feedback | Theme by @mire NV