sensible heat(The heat for the ironmaking process is not produced entirely by the combustion of coke, because at most blast furnaces roughly 40% is supplied from the sensible heat of the hot-blast air. 炼铁工艺所需热量并非完全由焦炭的燃烧提供。因为对于大多数高炉而言，大约有40%的热量是由热风的显热提供。)
