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    • 1. 发明授权
    • Characterization of mist sprays using a phase-doppler particle analyzer and an iso-kinetic sampling probe
    • 使用相位多普勒粒子分析仪和等动力学取样探针表征雾喷
    • US07181952B2
    • 2007-02-27
    • US10868953
    • 2004-06-17
    • Benjamin DitchHong-Zeng Yu
    • Benjamin DitchHong-Zeng Yu
    • G01F1/74
    • G01F1/68G01F1/74G01N1/2035
    • A method for quantifying droplet fluxes of a water mist spray uses different measuring apparatuses and compares the measurements of the two apparatuses with one another. One of the measuring apparatuses is an iso-kinetic sampling probe in which the air velocity of the portion of the water spray mist entering the probe is made equal to the air velocity of the water mist spray around the probe by connecting a source of vacuum to the probe. The drops of the spray entering the probe are prevented from passing out of the probe. The air velocity of the spray entering the probe is measured by an anemometer, the drops of the entering spray are collected in a reservoir, and the depth of water in the reservoir is measured by a differential pressure transducer. The output of the pressure transducer is sent to a computer that calculates the water collection rate based on the sectional area of the probe opening and the water collection rate in the reservoir.
    • 用于定量水雾喷雾的液滴通量的方法使用不同的测量装置,并将两个装置的测量值彼此进行比较。 其中一个测量装置是等动力取样探头,其中进入探头的喷水雾的部分的空气速度等于通过将真空源连接到探针周围的水雾喷雾的空气速度 探针。 进入探头的喷雾液滴被阻止从探针中流出。 通过风速计测量进入探头的喷雾的空气速度,将进入的喷雾的液滴收集在储存器中,并且通过差压传感器测量储存器中的水的深度。 压力传感器的输出被发送到计算机,该计算机基于探头开口的截面积和储存器中的水收集率来计算采集率。
    • 8. 发明授权
    • Device and method for measuring absorbed heat flux in a fire test apparatus
    • 测量火灾试验装置中吸收的热通量的装置和方法
    • US06971792B2
    • 2005-12-06
    • US10681175
    • 2003-10-09
    • John L. de RisMohammed M. Khan
    • John L. de RisMohammed M. Khan
    • G01N25/18G01N25/50G01K17/00G01K7/02
    • G01N25/18G01N25/50
    • A device for measuring the flux received by a specimen in fire test apparatuses has a copper disk or plate of the same dimensions and the same type of surface coating as a typical material specimen, an embedded heating coil and thermocouple, and an insulated sample holder similar to that used for a specimen. The transient response of the embedded thermocouple is measured for several different levels of imposed incident radiation without electrical heating and for several different known levels of electrical heating without any imposed radiation. The principle of Electrical Substitution Radiometry (ESR) is applied, and the transient responses to incident radiation and electrical heating under identical thermal conditions are compared to determine the amount of incident radiation that is actually absorbed by the device while it is being irradiated. The situations are kept thermally identical, thereby insuring that all effects due to heat losses (e.g. convection, radiation and conduction) are exactly the same.
    • 用于测量火灾试验装置中的试样所接收的焊剂的装置具有与典型材料样品,嵌入式加热线圈和热电偶以及相似的绝缘样品架相同尺寸和相同类型的表面涂层的铜盘或板 用于标本。 测量嵌入式热电偶的瞬态响应,对于几个不同电平的施加的入射辐射而不进行电加热,并测量几种不同的已知电加热水平,而没有任何施加的辐射。 应用电子替代辐射计(ESR)的原理,并对相同热条件下的入射辐射和电加热的瞬态响应进行比较,以确定器件在被照射时实际吸收的入射辐射量。 情况保持热相同,从而确保由于热损失(例如对流,辐射和传导)的所有影响完全相同。
    • 10. 发明授权
    • Anti-skipping sprinkler
    • 防跳水喷头
    • US07699116B2
    • 2010-04-20
    • US12000533
    • 2007-12-13
    • John L. de RisHong-Zeng YuBenjamin D. Ditch
    • John L. de RisHong-Zeng YuBenjamin D. Ditch
    • A62C37/11A62C37/08B05B1/28B05B15/04
    • A62C35/68
    • An anti-skipping sprinkler includes a frame defining a central longitudinal axis, the frame including a base portion defining an orifice, and first and second arms extending away from the base portion and joining at a lower end of the frame; a deflector located at the lower end of the frame; an orifice plug held over the orifice by a trigger element including a heat sensitive element; and an anti-skipping shield extending circumferentially around the heat sensitive element. The anti-skipping shield has an upper end and a lower end. The anti-skipping shield is open at the upper end and at the lower end to permit airflow to the heat sensitive element around the upper end and the lower end of the anti-skipping shield.
    • 防跳水喷洒器包括限定中心纵向轴线的框架,框架包括限定孔口的基部部分,以及远离基部部分延伸并在框架下端连接的第一和第二臂部; 位于框架下端的偏转器; 通过包括热敏元件的触发元件保持在孔口上方的孔塞; 以及围绕热敏元件周向延伸的防跳跃屏蔽。 防跳漏屏具有上端和下端。 防跳漏屏蔽在上端和下端是开放的,以允许围绕防跳漏屏蔽的上端和下端的热敏元件气流。