Pressure Swirl Spray Characteristics Under Cross-flow

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F22%3APU146462" target="_blank" >RIV/00216305:26210/22:PU146462 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Pressure Swirl Spray Characteristics Under Cross-flow
Original language description
The pressure swirl atomizers (PSAs) are used in a wide range of agriculture and combustion applications where ambient flow applies. The PSAs form a hollow cone-type spray, with high concentration of droplets at spray periphery, where droplets appear in a wide size range (1 – 100 µm). The spray quality (e.g. droplet size) is governed by the liquid sheet thickness at its breakup position. The sheet thickness reduces with the breakup length increase and thus the spray quality is expected to improve. A smooth and undistorted liquid sheet breaks up at a large distance from the nozzle under still ambient air conditions. The liquid sheet formation under the cross-flow condition differs from that in still conditions. The flowing air increases the relative sheet-air velocity with two consequences: 1) it reduces the primary breakup length as the disrupting forces on the sheet increase, and 2) it promotes the secondary liquid breakup and intensifies the spray mixing so the droplet size reduces. The present study
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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