标准摘要
[中文适用范围]: 本部分ISO 14934描述了三种用于校准总半球辐射仪和总热通量计的方法,这些仪器暴露于由辐射热源提供的定义明确的辐射中。设备设计旨在最小化校准期间对流热传递的影响。值得注意的是,当仪器在实际中使用它们时,它们测量的是辐射和对流热传递的组合。后者取决于热通量计的设计、方向、局部温度和流动条件以及冷却水的温度。 本部分规定了三种校准方法,适用于总半球辐射仪和总热通量计,这些仪器暴露于由辐射热源提供的明确定义的辐射中。该设备旨在最小化校准期间对流热传递的影响。需要注意的是,当仪器在实际使用时,它们测量的是辐射和对流热传递的组合。后者取决于热通量计的设计、方向、局部温度和流动条件以及冷却水的温度。 [外文原描述]: ISO 14934-2:2013 describes three methods for calibration of total hemispherical radiometers and total heat flux meters that are exposed to a well-defined radiation from a radiant heat source. The equipment is designed to minimize influences due to convective heat transfer during calibration. It is important to note that when the instruments are used in practice they measure a combination of radiant and convective heat transfers. The latter will depend on the design of the heat flux meter, the orientation, local temperature and flow conditions, and on the temperature of the cooling water.
英文名称Fire tests — Calibration and use of heat flux meters — Part 2: Primary calibration methods