Abstract
This report describes a hybrid simulation developed at the Hybrid Computation Department of the Delft University of Technology Computation Center in response to an order of the Dutch blast-furnaces and steel-mills industry, Hoogovens IJmuiden B.V., at IJmuiden, the Netherlands. The system to be simu lated is the gas-transport system used to carry blast furnace exhaust gases into a neighboring thermal power plant where the gas is used for the generation of electricity. The simulation is based on the use of the directional-difference method, which is used to solve the hyperbolic partial differential equa tions describing tube flow. Some attention is also devoted to the analysis of boundary values, and the approach toward a solution for this particular flow problem is outlined. The hybrid model is based on the cell-multiplexed method.
The simulation showed that the system as originally designed could be marginal in certain respects. Some design changes were therefore incorporated in the simulation and it was rerun until a satisfactory operational performance of the gas-transport system was reached.
The Hybrid Computation Department facility used for the implementation of the simulation consists of an Applied Dynamics AD-4 analog/hybrid computer and an IBM-1800 digital computer.
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