| 标题 |
[高分] 学位论文 DYNAMIC MODELING AND CONTROL OF A PRESSURIZED FLUIDIZED BED COAL GASIFICATION REACTOR (INTERNAL MODEL, ADAPTIVE)
加压流化床煤气化反应器的动态建模与控制（内模，自适应）
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| 其它 | Both a dynamic computer simulation model and an internal model control system have been developed and experimentally verified for a pressurized fluidized bed coal gasification reactor. A Texas lignite and a New Mexico subbituminous coal were the reactor feeds. The lumped parameter phenomenological model uses kinetic and equilibrium models to account for the important reactions and incorporates mass transport and energy transfer rates. Where equations from the published literature were not applicable, reactor experiments were conducted to develop the required relations (devolatilization yields, water-gas shift reaction extent, and particle size dynamics are prime examples). Some of the hydrodynamic and kinetic expressions needed to describe the reactor performance involve system-dependent adjustable parameters, three of which are defined by feedback of measured steady-state on-line reactor data. Desired control of the reactor is hindered by a two hour dead |
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