热值测量

Wobbe 指数热量计/英热单位

Wobbe 指数 (WI) 或 Wobbe 数[1]是燃料气体(如天然气、液化石油气 (LPG) 和城镇燃气)的一个互换性指标,经常在天然气供应和运输设施的规范中定义使用。Wobbe 指数用于比较某个装置(火、电饭煲等)使用不同成分燃气的燃烧能量输出。如果两种燃气具有相同的 Wobbe 指数,则在给定压力和阀门大小设置下,其能量输出亦会相同。通常允许最高 5% 的变化,因为消费者不会注意到如此微小的变化。


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