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Simulation of Oil Shale Semi-Coke Particle Cold Transportation in a Spouted Bed Using CPFD Method

机译:CPFD法模拟喷头中油页岩半焦颗粒的冷输运

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摘要

The spouted bed was widely used due to its good mixing of particles and effective phase transferability between the gas and solid phase. In this paper, the transportation process of particles in a 3D spouted bed was studied using the Computational Particle Fluid Dynamics (CPFD) numerical method. Experiments were conducted to verify the validity of the simulation results. Distributions of the pressure, velocities and particle concentration of transportation devices were investigated. The motion state and characteristics of multiphase flows in the transportation device were demonstrated under various operating conditions. The results showed that a good consistency was obtained between the simulated results and the experimental results. The motion characteristics of the gas-solid two-phase flow in the device was effectively predicted, which could assist the optimal operating condition estimation for the spouted transportation process.
机译:喷床由于其颗粒的良好混合以及气相和固相之间有效的相转移性而被广泛使用。在本文中,使用计算粒子流体动力学(CPFD)数值方法研究了3D喷射床中粒子的传输过程。进行实验以验证仿真结果的有效性。研究了运输装置的压力,速度和颗粒浓度的分布。演示了在各种运行条件下运输装置中多相流的运动状态和特性。结果表明,仿真结果与实验结果具有很好的一致性。有效地预测了装置中气固两相流的运动特性,可以为喷出的运输过程提供最佳的工作条件估计。

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