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    • 7. 发明授权
    • Apparatus and method for measurement of the film cooling effect produced by air cooled gas turbine components
    • 用于测量由空气冷却的燃气轮机部件产生的膜冷却效果的装置和方法
    • US09274009B2
    • 2016-03-01
    • US14288484
    • 2014-05-28
    • Meyer Tool, Inc.
    • Douglas E. Key
    • G01K7/00G06F17/00G06F19/00G01K17/08G01J5/00G01N25/20
    • G01K17/08G01J5/00G01J5/0088G01J2005/0077G01K7/00G01N25/20G06F17/00G06F19/00
    • A method for measurement of a film cooling effect is disclosed. Film cooling is a technique developed to protect gas turbine engine components from the extremely high temperatures created during its operation. A controlled air pressure is ducted into the hollow interior of the component and the mass rate of air flowing through the plurality of film cooling features or openings is measured. A coolant is then injected into the hollow interior of the component and allowed to flow out of a film cooling feature onto the heated outer surface of the component. The resulting infrared signature is a measure of the relative cooling effect generated by the individual film cool feature. The film cooling effect for an individual feature is quantified as the proportion of mass rate of airflow contributed by its relative individual cooling effect. The area, location and shape of the cooling effect are further classified to determine the degree of conformance to its design intent.
    • 公开了一种薄膜冷却效果的测量方法。 薄膜冷却是一种技术,用于保护燃气涡轮发动机部件免受其运行过程中产生的极高温度。 控制的空气压力被引导到部件的中空内部,并且测量流过多个膜冷却特征或开口的空气的质量比。 然后将冷却剂注入到部件的中空内部并允许从膜冷却特征流出到部件的加热的外表面上。 所得到的红外特征是由各个薄膜冷却特征产生的相对冷却效果的量度。 单个特征的膜冷却效果被量化为由其相对单独冷却效果贡献的气流质量比的比例。 冷却效果的区域,位置和形状进一步分类,以确定其设计意图的一致程度。
    • 9. 发明申请
    • FAST RESPONSIVE PERSONALIZED THERMOMETER
    • 快速响应个性化温度计
    • US20150160079A1
    • 2015-06-11
    • US14548633
    • 2014-11-20
    • Moshe YARDEN
    • Moshe YARDEN
    • G01K17/08G01K13/00
    • G01K13/002G01K7/42G01K17/00
    • A thermometer includes a processing unit configured to receive a plurality of timed apart temperature readings from first and second sensors and a processor calculates heat flux value, Q, and obtains values of the heat flux vs. temperature (Q vs. Ts.) as the temperature approaches a steady state. The processor empirically predicts the steady state temperature of the sensor Ts, using the peak value of the values of Q vs. Ts.The processor may also empirically calculate a bias value as a function of the peak value of Q vs. Ts. The bias value represents the difference between the temperature reading (Ts) at steady state and core temperature of the subject and is added to the steady state temperature to arrive at core. The thermometer probe may include one or more additional sensors for obtaining physiological readings from the subject other than temperature and the processing unit is configured to use empirical formulas to calculate the bias value using the physiological readings which may include blood perfusion, pulse rate and the bio-impedance of the subject.
    • 温度计包括处理单元,其配置为从第一和第二传感器接收多个定时分开的温度读数,并且处理器计算热通量值Q,并且获得热通量对温度(Q对Ts)的值作为 温度接近稳态。 处理器使用Q对Ts的值的峰值经验地预测传感器Ts的稳态温度。 处理器还可以经验地计算作为Q对Ts的峰值的函数的偏差值。 偏置值表示稳态下的温度读数(Ts)和被检体的核心温度之间的差,并加到稳态温度以达到核心。 温度计探针可以包括一个或多个附加的传感器,用于从温度以外的对象获得生理学读数,并且处理单元被配置为使用经验公式来计算偏差值,该生理学读数可以包括血液灌注,脉搏率和生物学 阻碍主题。
    • 10. 发明申请
    • DETERMINING SENSIBLE HEAT FLUX WITHOUT CALIBRATION
    • 无校准确定敏感热通量
    • US20140348201A1
    • 2014-11-27
    • US14286882
    • 2014-05-23
    • The Regents of the University of California
    • Thomas Michael ShaplandKyaw Tha Paw URichard SnyderAndrew McElrone
    • G01K17/08
    • G01K17/20
    • By correcting temperature measurements above a surface (such as the ground) for the first-order filtering associated with the thermal inertia of a temperature sensor (such as a thermocouple) that performed the temperature measurements, the heat flux conveyed from the surface by air can be accurately determined without requiring a calibration procedure. Instead, a predefined calibration value may be used. This predefined calibration value may be a function of a size of the temperature sensor and/or a distance between the temperature sensor and the ground. Moreover, the predefined calibration value may have a fixed value for a given size of the temperature sensor. In addition, the measurement of the heat flux conveyed from the surface can be used to accurately determine the residual heat flux that vaporizes water from the surface without a calibration procedure.
    • 通过校正与执行温度测量的温度传感器(例如热电偶)的热惯性相关联的一阶滤波器的表面(例如地面)上的温度测量,从表面通过空气输送的热通量 准确地确定,而不需要校准程序。 相反,可以使用预定义的校准值。 该预定义的校准值可以是温度传感器的尺寸和/或温度传感器与地面之间的距离的函数。 此外,预定义的校准值可以具有针对给定尺寸的温度传感器的固定值。 此外,从表面输送的热通量的测量可用于精确地确定在没有校准过程的情况下从表面蒸发水的残余热通量。