【摘要】 根据气粉流的连续方程、动量方程和能量方程等基本关系式 ,建立了描述等直径喷嘴中气粉流行为的微分方程组。采用马赫数检验法确定等直径管中气粉流的临界管长 ,并通过数值计算结果讨论各种因素对气粉流壅塞现象的影响更多还原

【Abstract】 A group of differential equations depicting the behavior of powder flow in the equal diameter nozzle have been set up according to such a few fundemental relationships as the sequential equation,momentum equation and energy equation.The critical length of the powder flow tube for the equal dliameter nozzle is determined by Mach Number check method and factors affecting the clogging of powder flow discussed by calculation of the numerical values.更多还原