流化床反应器在化工、石油、冶金等行业有着广泛应用，反应器中常常存着各种各样的内构件，如布风板、筛板、导流挡板等，这些结构一般对气固流化床的流化状态有着显著影响。传统CFD技术对于薄片结构往往在网格处理时存在一定难度，且会造成整体计算网格数量的增多，极大地影响模拟仿真效率。

      基于CPFD(Computational Particle Fluid Dynamics)技术开发的Barracuda是一款致力于工业级流态化及化学反应模拟的商业软件包，以其快速的仿真建模方法、高效稳定的多相流耦合求解器、便捷的化学反应建模方法、工业级的颗粒模拟数量等优点在水泥行业有着很好地应用。相比于传统CFD软件，Barracuda能够在更短的时间内实现工业设备的模拟分析，满足工业仿真需求。

      Ravi Chandran, ThermoChem Recovery International TRI’s steam reformer technology for carbonaceous feedstocks such as woody biomass, agricultural waste, Municipal Solid Waste (MSW), black liquor, waste sludge and young coals is characterized by indirect heating and deep bed fluidization in the bubbling regime. TRI has been actively working with CPFD since 2008 to model the steam reformer and validate the resulting Barracuda Virtual Reactor simulations. Many studies have been performed including cold flow of single and multiple particle species, tube bundle representation, liquor injection, thermal and homogeneous/heterogeneous reaction modeling, solids mixing/segregation/entrainment, several different feedstocks, multiple reactor scales (laboratory to commercial) and first- and second-generation heater modes. Experimental and modeling insights have enhanced accuracy of predictions, while advances in both software and hardware have significantly reduced the total run time for quasi-steady convergence. Selected results from these studies are presented.

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