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The design of robust control techniques is the prerequisite to guarantee maximum efficiency and lifetime for high-temperature fuel cells with constant and varying electrical load. For the design of such control laws as well as for the development of model-based observer approaches, it is essential to derive low-dimensional mathematical models which can be evaluated in real-time. These models have...
A model is developed for the ring furnace, one of the most expensive, energy-intensive, yet not so efficient pieces of equipment in the aluminum industry. The overall model, built on the assumption that the furnace is a continuous counterflow heat and mass exchanger, integrates a model of heat transfer, and a model for air infiltration. Computer runs are made which succeed in reproducing the known...
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