Dynamics free low emissions gas turbine combustor
    3.
    发明授权
    Dynamics free low emissions gas turbine combustor 失效
    无动力低排放燃气轮机燃烧器

    公开(公告)号:US5644918A

    公开(公告)日:1997-07-08

    申请号:US337704

    申请日:1994-11-14

    摘要: Combustion-induced instabilities are minimized in gas turbine combustors by incorporating one or more Helmholtz resonators into the combustor. First and second plates located in the head end of the combustor casing define one cavity, and a sleeve located between the casing and the liner defines another cavity. Each of the two cavities is connected to the combustion chamber by one or more throats, thus forming Helmholtz resonators. The throats of each resonator can be tubes of different lengths and/or different cross-sectional areas to provide dynamics suppression over a broad band of frequencies. The throats can also be arranged such that each throat is associated with a different portion of its respective cavity, each cavity portion having a different volume.

    摘要翻译: 通过将一个或多个亥姆霍兹共振器并入到燃烧器中,在燃气轮机燃烧器中燃烧诱发的不稳定性被最小化。 位于燃烧器壳体头部的第一和第二板限定一个空腔,并且位于壳体和衬套之间的套筒限定另一腔。 两个腔中的每一个通过一个或多个喉部连接到燃烧室,从而形成亥姆霍兹共振器。 每个谐振器的喉部可以是具有不同长度和/或不同横截面面积的管,以在宽频带上提供动态抑制。 喉部也可以布置成使得每个喉部与其相应空腔的不同部分相关联,每个空腔部分具有不同的体积。