【气固流化床中流体动力学特性的实验研究与数学模化】钱诗智.pdf

EXPERIMENTALSTUDIESAND MATHEMATICALMODELLINGON FLUIDDYNAMICSINA GAS-SOLID FLUIDIZED BED By Qian Shizhi Supervised By Prof.Lu Jidong and Liu Dechang A Dissertation SubmittedtotheDegreeEvaluatingCommitteeof Huazhong University of Science and Technology for theDegreeof DoctorofPhilosophyinEngineering S

华中理工大学博士学位论文流体动力学的计算程序和计算结果的图形可视化程序.最后,应用本文的双流体力学模型对射流流化床和均匀布风的鼓泡流化床进行数值模拟,成功地模拟了流化床中的鼓泡现象,模拟结果与实验结果相符。研究了射流气速、压力对射流流化床中流体动力学特性的影响:还通过数值实验研究了颗粒的粒径和密度、流化速度、温度、压力等对均匀布风鼓泡流化床中动力学特性的影响.关键词:气固流化床:流体动力学.

华中理工大学博士学位论文 of some conditions such as gas velocity and temperature on the bubble character was investigated.Third,the advanced approach by using the multiphase flow simulation is regarded as a branchof thefrontiers of chemicalreaction engineeringandfluidization technologyfields,and it isareasonab