TWO LINE GAS SPECTROSCOPY CALIBRATION
    2.
    发明公开
    TWO LINE GAS SPECTROSCOPY CALIBRATION 审中-公开
    气体光谱技术的两条线校准

    公开(公告)号:EP1931955A1

    公开(公告)日:2008-06-18

    申请号:EP06816299.9

    申请日:2006-10-04

    发明人: HOWELL, James

    IPC分类号: G01K1/08 G01J5/02

    摘要: A method of calibrating an absorption spectroscopy measurement wherein the calibration method includes projecting laser light throu a sample of a first quantity of a gas of interest and a second irrelevant quantity of a spectroscopically identical or similar gas (10). The first and second spectroscopic absorptions of the laser light are measured over specific first and second absorption lines. A functional relationship is determined between the first and second measured spectroscopic absorptions and two unknown variables. The function relationships may then be simultaneously solved to determine one or both unknown variables and thereby obtain a measurement relati to the first quantity of the gas of interest, calibrated for the second irrelevant quantity of gas.

    METHOD AND APPARATUS FOR SPECTROSCOPIC MEASUREMENTS IN THE COMBUSTION ZONE OF A GAS TURBINE ENGINE
    7.
    发明公开
    METHOD AND APPARATUS FOR SPECTROSCOPIC MEASUREMENTS IN THE COMBUSTION ZONE OF A GAS TURBINE ENGINE 有权
    方法和装置用于在燃气涡轮发动机的燃烧区的光谱测量

    公开(公告)号:EP1952003A2

    公开(公告)日:2008-08-06

    申请号:EP06850383.8

    申请日:2006-11-06

    IPC分类号: F02C7/00

    摘要: A method for measuring combustion parameters within a combustion zone of a gas turbine engine, the combustion zone being defined between an inner and outer casing. The method comprises transmitting a beam from a transmit optic optically coupled to a bore in the outer casing off a portion of the inner casing and receiving a portion of the beam reflected off the inner casing with a receiving optic optically coupled to a bore in the outer casing. An apparatus for practicing the method comprises a laser generating a beam and a transmitting/receiving optics pair, the transmitting/receiving optics pair being configured for operative association with a port in an outer casing of a gas turbine engine, whereby the transmitting/receiving optics are in optical communication by reflecting the beam off a portion of an inner casing.