Thesis focuses on flue gas desulphurisation systems for thermal power plants. Program was created, based on well-known relations for calculation of aerodynamic losses for elements of flue gas duct systems. Program can calculate pressure drops of user created systems. It can also calculate required pressure gain from booster fan, based on pressure losses which are caused by elements in system. Verification of program is then made by comparing measured values of pressure in working system for flue gas desulphurisation. Finally, for presenting operation of program, there is calculation of pressure losses in planned FGD system.
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