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    • 32. 发明授权
    • Gas turbine combustor hybrid dynamic-static probe
    • 燃气轮机燃烧室混合动静态探头
    • US06742394B1
    • 2004-06-01
    • US10341573
    • 2003-01-13
    • Peter StuttafordAndrew Green
    • Peter StuttafordAndrew Green
    • G01L700
    • F01D17/085F01D17/08F05D2270/301F05D2270/303
    • A removable instrumentation assembly and probe for use in simultaneously measuring dynamic pressure, at least one static pressure, and temperature for a gas turbine combustor. The instrumentation assembly allows combustor performance analysis as well as monitoring of component integrity through dynamic pressure fluctuations. The instrumentation assembly includes a probe having a plurality of passages, each connected to tubular conduits for measuring and recording respective pressures. In the preferred embodiment, dynamic pressures from within a combustion chamber are measured and recorded along with static pressures within the combustion chamber and outside of the combustion chamber, along with external air temperature.
    • 用于同时测量燃气轮机燃烧器的动态压力,至少一个静态压力和温度的可拆卸仪器组件和探头。 仪表组件允许燃烧器性能分析以及通过动态压力波动监测部件完整性。 仪器组件包括具有多个通道的探针,每个通道连接到用于测量和记录相应压力的管状导管。 在优选实施例中,燃烧室内的动态压力与外部空气温度一起被测量并记录在燃烧室内和燃烧室外部的静压力。
    • 37. 发明授权
    • Transition duct cooling feed tubes
    • 过渡管冷却进料管
    • US08151570B2
    • 2012-04-10
    • US11951790
    • 2007-12-06
    • Stephen JenningsPeter StuttafordStephen W. Jorgensen
    • Stephen JenningsPeter StuttafordStephen W. Jorgensen
    • F02C1/00
    • F01D25/12F01D9/023F05D2260/20F05D2260/201
    • Embodiments for an apparatus and associated method for providing a cooling fluid to a gas turbine transition duct in order to lower the effective operating temperatures of the transition duct are disclosed. The transition duct has an inner liner and an impingement sleeve positioned radially outward with a passageway formed therebetween. The impingement sleeve has a plurality of openings where a portion of the openings each have a feed tube extending through the opening and into the passageway. The feed tubes are oriented at an angle relative to the impingement sleeve, such that an inlet to the feed tube is directed generally towards an oncoming flow of cooling fluid. The feed tubes direct a portion of the cooling fluid toward the inner liner and into the passageway for cooling of the transition duct.
    • 公开了用于向燃气轮机过渡管道提供冷却流体以降低过渡管道的有效操作温度的装置和相关方法的实施例。 过渡管道具有内衬和径向向外定位的冲击套筒,其间形成有通道。 冲击套筒具有多个开口,其中开口的一部分各自具有延伸穿过开口并进入通道的进料管。 进料管相对于冲击套筒定向成一定角度,使得进料管的入口通常朝着迎面而来的冷却流体流动。 进料管将一部分冷却流体引向内衬并进入通道以冷却过渡管道。
    • 38. 发明申请
    • EMPLOYING FUEL PROPERTIES TO AUTO-TUNE A GAS TURBINE ENGINE
    • 使用燃油特性自动调节气体涡轮发动机
    • US20110270502A1
    • 2011-11-03
    • US13086978
    • 2011-04-14
    • Nicolas DemougeotDonald GauthierPeter StuttafordHany Rizkalla
    • Nicolas DemougeotDonald GauthierPeter StuttafordHany Rizkalla
    • F02C9/26
    • F02C7/224F02C9/28F02C9/40
    • A tuning process is provided for monitoring fuel properties of a fuel being consumed by a gas turbine (GT) engine, and for dynamically tuning the GT engine as a function of changes to the monitored fuel properties. Initially, readings are taken from the GT engine during a reference calibration, or commissioning, and utilized to calculate an initial-pressure-drop reference value. The tuning process during commercial operation takes post-calibration readings from the GT engine to calculate a fuel property parameter, which represents a heating value of the fuel. Specifically, the fuel property parameter is calculated by deriving a corrected-pressure-drop dynamic value as a function of pressure and temperature readings of the fuel at a point upstream of a combustor and pressure drops across fuel nozzles that introduce the fuel into the combustor, and solving a ratio of the dynamic value and the reference value.
    • 提供了一种调节过程,用于监测由燃气轮机(GT)发动机消耗的燃料的燃料性质,并且用于根据对所监测的燃料性质的变化来动态调节GT发动机。 最初,在参考校准或调试期间从GT发动机获取读数,并用于计算初始压降参考值。 商业运行过程中的调整过程需要GT发动机的后校准读数,以计算燃料特性参数,该参数代表燃料的热值。 具体地说,燃料特性参数通过导出作为燃料在燃烧器上游一点上燃料的压力和温度读数的函数的校正压降动态值来计算,并且将燃料引入燃烧器的燃料喷嘴之间的压力下降, 并求解动态值和参考值的比值。
    • 39. 发明申请
    • Dynamically Auto-Tuning a Gas Turbine Engine
    • 动力自动调整燃气轮机发动机
    • US20110265487A1
    • 2011-11-03
    • US13053910
    • 2011-03-22
    • Donald GauthierNicolas DemougeotPeter StuttafordHany Rizkalla
    • Donald GauthierNicolas DemougeotPeter StuttafordHany Rizkalla
    • F02C9/26
    • F02C7/228F02C9/28F05D2270/301F05D2270/303F23N1/002F23N2037/02F23N2037/18F23N2037/28F23N2041/20F23R3/34F23R2900/00013
    • Tuning processes implemented by an auto-tune controller are provided for measuring and adjusting the combustion dynamics and the emission composition of a gas turbine (GT) engine via a tuning process. Initially, the tuning process includes monitoring parameters, such as combustion dynamics and emission composition. Upon determining that one or more of the monitored parameters exceed a critical value, these “out-of-tune” parameters are compared to a scanning order table. Upon comparison, the first out-of-tune parameter that is matched within the scanning order table is addressed. The first out-of-tune parameter is then plotted as overlaid slopes on respective graphs, where the graph represents a fuel-flow split. Typically, the slopes are plotted as a particular out-of-tune parameter against a particular fuel-flow split. The slopes for each graph are considered together by taking into account the combined impact on each out-of-tune parameter when a fuel-flow split is selected for adjustment.
    • 提供由自动调谐控制器实现的调谐过程,用于通过调谐过程测量和调整燃气轮机(GT)发动机的燃烧动力学和发射组成。 最初,调谐过程包括监测参数,如燃烧动态和排放组成。 在确定一个或多个所监视的参数超过临界值时,将这些“失调”参数与扫描顺序表进行比较。 相比之下,寻址在扫描顺序表中匹配的第一个失调参数。 然后将第一个失调参数作为叠加的斜率绘制在各个图上,其中图表示燃料流分流。 通常,斜率被绘制为针对特定燃料流分流的特定失调参数。 当选择燃料流分流进行调整时,通过考虑对每个失调参数的组合影响,每个曲线图的斜率被一起考虑。