IMPINGING EFFERVESCENT ATOMIZERS: DESIGN INSIGHTS
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F26%3A0200825" target="_blank" >RIV/00216305:26210/26:0200825 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.14311/TPFM.2025.006" target="_blank" >http://dx.doi.org/10.14311/TPFM.2025.006</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.14311/TPFM.2025.006" target="_blank" >10.14311/TPFM.2025.006</a>
Alternative languages
Result language
angličtina
Original language name
IMPINGING EFFERVESCENT ATOMIZERS: DESIGN INSIGHTS
Original language description
Design and performance of an impinging effervescent atomizer are investigated in this study. Effervescent atomizers were adapted to a multi-orifice design to address limitations in single orifice setups as small spray cone angle (SCA) and small area coverage. High-speed imaging and Phase Doppler anemometry were used to assess liquid discharge behaviour, droplet size, and spray stability. The experiments analysed various design parameters, including the diameter of the mixing chamber, the diameter of the exit orifice, and pitch circle diameter, under different gas-to-liquid ratios (GLR) and inlet fluid configurations (central air vs. central liquid). Results indicate that the inlet fluid configuration significantly affects discharge stability, with the central liquid configuration showing low-frequency oscillation, which lowers spray quality. Although the discharge coefficient was unaffected by design variations, the droplet size was influenced by the pitch circle diameter and the GLR, with the latter being the dominant factor. The findings provide insight into optimizing the design for stable and efficient operation of the impinging effervescent atomizer.
Czech name
—
Czech description
—
Classification
Type
D - Article in proceedings
CEP classification
—
OECD FORD branch
20301 - Mechanical engineering
Result continuities
Project
<a href="/en/project/GA23-07722S" target="_blank" >GA23-07722S: Advanced energy-efficient modifications of twin-fluid atomizer</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Topical Problems of Fluid Mechanics
ISBN
—
ISSN
2336-5781
e-ISSN
—
Number of pages
6
Pages from-to
39-44
Publisher name
Acad Sci Czech Republic, Inst Thermomechanics
Place of publication
PRAGUE 8
Event location
Praha
Event date
Feb 12, 2025
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
001597458700006