Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data structures to analyze and solve problems that involve fluid flows. Computers are used to perform the calculations required to simulate the free-stream flow of the fluid, and the interaction of the fluid (liquids and gases) with surfaces defined by boundary conditions. With high-speed supercomputers, better solutions can be achieved, and are often required to solve the largest and most complex problems. Ongoing research yields software that improves the accuracy and speed of complex simulation scenarios such as transonic or turbulent flows. Initial validation of such software is typically performed using experimental apparatus such as wind tunnels. In addition, previously performed analytical or empirical analysis of a particular problem can be used for comparison. A final validation is often performed using full-scale testing, such as flight tests.
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Full scale simulation of the actual DeNOx system.
Optimization of the reagent injection system and mixing system to satisfy the requirements of the design specification.
Optimize the temperature field to satisfy the design specification.
Minimize the pressure drop through the system.
Simulate vaporization of ammonia droplets and dust distribution.
Analyze the drag caused by different components in the flue gas ducting.