A pressure drop model of PCI system was developed for Baosteel No. 4 blast furnace based on the additional pressure drop.
以附加压降法为基础，对整套宝钢4号高炉喷煤系统的压降作了模型计算。
The spread range gets smaller because of threshold pressure gradient, and there will be a additional pressure drop in the bottom of the well because of the skin damage.
启动压力梯度使压力波传播范围变小，井底污染会造成一个附加压力降。
It can basically reflect the additional viscosity pressure drop due to flow path difference and additional inertial pressure drop due to high speed convergent flow.
该模型从本质上反映了因流线差异造成的粘性附加压降损失和高速紊流效应造成的惯性附加压降损失。
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