辊壳式流浆箱喷浆速度与压力的关系

The Relationship between Jet Velocity and Pressure in Headbox with Roller and Shell

中文关键词:  流浆箱  数值模拟  沟槽辊  喷浆速度  压力

Key Words:headbox  numerical simulation  grooved roller  jet velocity  pressure

中文摘要:

      利用计算流体动力学软件FLUENT对辊壳式流浆箱的流场进行数值模拟，分析了喷浆速度、沟槽辊转速与压力的关系，并优化了溢流室结构。模拟结果表明，辊壳式流浆箱的均衡室和溢流室压力不仅受到喷浆速度和沟槽辊转速的影响，而且还受到溢流室进口角度的影响，通过改变进口角度就可以得到理想的溢流室压力变化规律和压力范围。

Abstract:

      The numerical simulation of the flow field in the headbox with roller and shell was carried out by using the computational fluid dynamics software FLUENT， which analyzed the relationship between jet velocity， grooved roller speed and pressure， and the structure of the overflow surge chamber was optimized. The simulation results showed that the pressure of mixing chamber and overflow surge chamber in headbox with roller and shell were affected not only by the jet velocity and the speed of grooved roller， but also the inlet angle of the overflow surge chamber. The ideal pressure variation and pressure range of overflow surge chamber could be achieved by changing the inlet angle．