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雾化与喷雾
影响因子: 1.262 5年影响因子: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 1.6

ISSN 打印: 1044-5110
ISSN 在线: 1936-2684

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雾化与喷雾

DOI: 10.1615/AtomizSpr.v8.i4.30
pages 405-418

MICROMACHINED SILICON FUEL ATOMIZERS FOR GAS TURBINE ENGINES

Angad Singh
Case Western Reserve University, Cleveland, Ohio, U.S.A.
Mehran Mehregany
Case Western Reserve University, Cleveland, Ohio, U.S.A.
Stephen M. Phillips
Case Western Reserve University, Cleveland, Ohio, U.S.A.
Rex J. Harvey
Parker Hannifin Corporation, Mentor, Ohio, U.S.A.

ABSTRACT

This article presents results on fabrication and testing of micromachined fuel atomizers for gas turbine engines. Pressure-swirl (simplex) atomizers are batch fabricated by bulk micromachining of silicon using deep reactive ion etching. The atomizers are fabricated as an array, according to a designed experiment, and a study of the influence of the geometric features on the performance of the atomizers identifies the dominant geometric parameters The precision of the fabrication allows the atomizer design to be optimized by a response surface methodology. A comparative study reveals that microfabrication can improve the spray performance relative to conventional atomizers.


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