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    • 10. 发明授权
    • Venturi for use in the swirl cup package of a gas turbine combustor having water injected therein
    • 文丘里管用于其中注入有水的燃气轮机燃烧器的涡流杯组件
    • US06286302B1
    • 2001-09-11
    • US09283428
    • 1999-04-01
    • Gilbert FarmerJames A. GroeschenMark G. Rettig
    • Gilbert FarmerJames A. GroeschenMark G. Rettig
    • F02C700
    • F23L7/002F23D2211/00F23R3/14
    • A combustion apparatus for a gas turbine engine including a combustor structure having at least one combustion chamber, a dual cone fuel nozzle for injecting both fuel and water to the combustion chamber, and a swirl cup package upstream of and adjacent to the combustion chamber. The swirl cup package further includes a swirler and a venturi extending between the nozzle and the combustion chamber for mixing the fuel and water with air. The venturi is configured to have a non-uniform thickness from an upstream end to a downstream end resulting in a cross-sectional area which provides a heat transfer conduction path that reduces axial stresses imposed on the venturi when water impinges on an upstream portion of the venturi.
    • 一种用于燃气涡轮发动机的燃烧装置,其包括具有至少一个燃烧室的燃烧器结构,用于将燃料和水喷射到燃烧室的双锥形燃料喷嘴,以及在燃烧室上游和邻近燃烧室的涡流杯组件。 涡流杯包装还包括在喷嘴和燃烧室之间延伸的旋流器和文氏管,用于将燃料和水与空气混合。 文丘里管构造成具有从上游端到下游端的不均匀的厚度,从而产生横截面积,该横截面面积提供传热传导路径,当水冲击在文丘里管的上游部分时,该导热路径减小施加在文氏管上的轴向应力 文丘里