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雾化与喷雾
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ISSN 打印: 1044-5110
ISSN 在线: 1936-2684

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雾化与喷雾

DOI: 10.1615/AtomizSpr.v2.i1.40
pages 45-59

DESIGN AND CHARACTERIZATION OF TWIN-FLUID Y-JET ATOMIZERS

P. Andreussi
Universitá di Pisa, Pisa, Italy
Leonardo Tognotti
Dipartimento di Ingegneria Chimica, Chimica Industriale e Scienza dei Materiali, Universitá di Pisa, Via Diotisalvi 2, 56100 Pisa, Italy
G. De Michele
ENEL-CRTN, Pisa, Italy
M. Graziadio
ENEL-CRTN, Pisa, Italy

ABSTRACT

Two Y-jet atomizers have been tested using water and two different mineral oils that have the same physical properties as heavy fuel oils (HFO) employed in industrial burners. It has been found that the two-phase flow inside the nozzle can be described by a simplified momentum balance relative to the gas phase. This equation can be used for design purposes. Mean dropsize has been correlated in terms of dimensionless numbers related to the physical properties of the two-phase mixtures and to the operating conditions.


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