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A computer-based model for analyzing air/gas system dynamics has been developed. A set of generic elements are interconnected by generalized junction structures to represent a variety of system configurations. The response of pressure, flow, temperature and heat transfer rate at any point or station in a system is then determined due to a wide range of fluid, thermal and mechanical disturbances. The...
A computer simulation using the modeling techniques outlined in a companion paper has been used to characterize and evaluate the control systems for furnace and stack implosion problems in fossil fuel power plants. The model simulations have shown that the draft control systems reduce the furnace pressure excursion significantly following a main fuel trip condition. The limitations of these systems...
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