利用尾迹积分法按阻力产生的物理机制，将阻力分解为熵增阻力和诱导阻力进行数值计算。
Drag was decomposed to entropy drag and induced drag, according to the physical mechanism of drag production, based on the wake integral method, which was very useful for drag reduction design.
结果表明：与TR2000相比，国产电缆护套料DH170T的热分解反应阻力大、 反应速度慢，因而寿命更长。
Result showed that the thermo decomposition reaction of DH170T had higher resistance, lower reacting rate and longer service life than TR2000.
基于这一考虑，本文设计了两种不同型式的外循环式高固气比分解炉，研究了在固气比较高情况下两种系统的阻力特性和分离效率。
Based on the point, two different recirculating calciners have been designed, and pressure drop and collection efficiency have been studied under different conditions.
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