About: Optimization of Pressure-Swirl Atomizer for a Burner Retrofit

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This study documents several ways to reduce drop size in spray of a spill-return type pressure-swirl atomizer (PSA) for a waste oil burner. In the first part, liquid breakup and spray microstructure of PSAs was documented using spray photography and Phase-Doppler Anemometry (PDA) on a cold test bench at different loads. Then factors that affect the spray characteristics, such as: (1) nozzle design and dimensions, (2) operational conditions and (3) physical properties of atomized liquid, were analysed based on a literature survey. According the analysis, several geometrical factors were chosen for design of six nozzles with modified geometry that were probed using PDA. The literature data analysis shows that a modification of rheological properties of fuel used, namely its heating-up, would significantly reduce D32 mainly due to a viscosity change. Our tests show that doubling the inlet pressure with additional reduction of exit orifice size to keep flow rate would drop D32 by 28 – 33%. The simplest This study documents several ways to reduce drop size in spray of a spill-return type pressure-swirl atomizer (PSA) for a waste oil burner. In the first part, liquid breakup and spray microstructure of PSAs was documented using spray photography and Phase-Doppler Anemometry (PDA) on a cold test bench at different loads. Then factors that affect the spray characteristics, such as: (1) nozzle design and dimensions, (2) operational conditions and (3) physical properties of atomized liquid, were analysed based on a literature survey. According the analysis, several geometrical factors were chosen for design of six nozzles with modified geometry that were probed using PDA. The literature data analysis shows that a modification of rheological properties of fuel used, namely its heating-up, would significantly reduce D32 mainly due to a viscosity change. Our tests show that doubling the inlet pressure with additional reduction of exit orifice size to keep flow rate would drop D32 by 28 – 33%. The simplest (en)
Title	Optimization of Pressure-Swirl Atomizer for a Burner Retrofit Optimization of Pressure-Swirl Atomizer for a Burner Retrofit (en)
skos:prefLabel	Optimization of Pressure-Swirl Atomizer for a Burner Retrofit Optimization of Pressure-Swirl Atomizer for a Burner Retrofit (en)
skos:notation	RIV/00216305:26210/13:PU106933!RIV14-GA0-26210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0002/01/01), P(GAP101/11/1264)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Jícha, Miroslav Jedelský, Jan
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	94484
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/13:PU106933
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Design optimization, Pressure-Swirl Atomizer, Burner Retrofit (en)
http://linked.open.../riv/klicoveSlovo	Burner Retrofit Design optimization Pressure-Swirl Atomizer
http://linked.open...ontrolniKodProRIV	[599B7BF032B9]
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Atomization characteristics of twin-fluid internally mixed atomizers operated at low pressure with liquids with wide range of viscosity NETME Centre (New Technologies for Mechanical Engineering)
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Jedelský, Jan Jícha, Miroslav
http://localhost/t...ganizacniJednotka	26210

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