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Resolving ash-related problems such as fouling and slagging is crucial to the operation of a heat recovery steam generator (HRSG) in a power plant using heavy fuel oil (HFO). This paper presents numerical predictions of ash particle deposition using a model implemented with CFD code. The deposition model considers the force of gravity, elastic rebound, and adhesion forces acting at the moment of ash...
In this study, an entire simulation model is developed to investigate the influence of fast gas turbine start-up (within 20 min) on the dynamic behavior of a Benson heat recovery steam generator. The model includes a new high pressure feedwater control concept that considers a large number of live plant parameters and derivative functions. The advanced feedwater control circuit offers the possibility...
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