1 Methods for Generating Random Variables 1.1 Generating Uniform(0,1) random number 1.2 Random Generators of Common Probability Distribution in R 1.2.1 The Inverse Transform Method 1.2.2 The Acceptance-Rejection Method 1.2.3 Transformation Methods 1.2.4 Sums and Mixtures 1.3 Multivariate Distribution 1.3.1 Multivariate Normal Distribution 1.3.2 Mixtures of Multivariate Normals 1.3.3 Wishart Distribution 1.3.4 Uniform Distribution on the d−Sphere 1.4 Stochastic Process
应用Fluent软件对密相干塔模拟仿真,研究了烟气整流系统和链式搅拌器对烟气流场和湍流、循环灰轨迹及系统压力损失的影响,并在模拟工况下确定了烟气整流系统较优导流板布置形式.研究结果表明,链式搅拌器能够显著增大塔内附近区域的湍动能,提高转速不能明显提高整体烟气湍流强度,双层链式搅拌器可以增大高湍流强度区且减缓其衰减速度,该工况下安装双层链式搅拌器,转速为100 r·min-1较为理想,此时密相干塔能够实现烟气均布和气固充分接触,大部分颗粒参与内循环,少部分进入除尘器,系统压损约为200 Pa