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科技导报  2015 

基于Fluent的充填料浆管道输送阻力模拟

DOI: 10.3981/j.issn.1000-7857.2015.09.011, PP. 64-68

Keywords: 管道输送,沿程阻力损失,充填浆体,Fluent,软件,临界流速

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Abstract:

为了解高浓度浆体的流动特性,结合流体动力学的理论和充填浆体的特点,对充填浆体在不离析的条件下做流体质点、均质性和连续性的假设,建立充填浆体管道输送的数学模型。结合某矿山工业试验的结果,运用Fluent软件对浆体管道输送进行了阻力数值模拟,通过模拟与实测结果的对比可看出,两者误差在5%左右,得出了浆体流速与沿程阻力损失之间的关系方程,进而运用此模型计算得到该浆体管输自流的速度区间1.82~2.23m/s。利用数值模拟结果可以为充填系统管路的设计提供依据,也可用来指导矿山的实际生产,具有很好的实用价值和推广意义。

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