CFD Modeling Study of a 500 MW Gas-Fired Utility Boiler

The performance of a full-scale natural gas-fired utility boiler has recently been simulated using CFX-TASCflow. The boiler originally designed for oil-firing has been converted to have an additional naturalgas firing capability. This purpose of this study is to use CFD to determine detailed natural gas combustion characteristics within the unit in order to identify the most optimal operating condition. This paper describes a collaborative approach undertaken by the modeler, utility staff and other experts that has proven to be effective in generating insights and boiler information difficult to obtain from field measurements.

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