研究发现煤炭、木材、汽油、柴油等燃料的火焰光谱中都存在Na(589.,589. nm)和K(766.,769. nm)特征辐射谱线对,谱线对的相对强度比与温度有关,由此可以测量火焰温度.本文介绍了测量原理和方法,对K、Na、Fe、Zn作为温标元素时的误差传递进行了分析,得出K、Na作为温标元素时误差传递大,测量精度低; Fe、Zn作为温标元素时误差传递小,测量精度高.
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