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Fine particles produced by the combustion process
Bunček, Patrik ; Chýlek, Radomír (oponent) ; Pospíšil, Jiří (vedoucí práce)
The bachelor thesis deals with the issue of fine particles. The introductory chapter is focused on the general overview, formation and effect of fine particles on the human body. The following chapters aims to introduce combustion process and use of biomass. The experimental part of the thesis reports on results, evaluation and determination of fine particle formation for different environments and conditions.
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Comparison of single-cylinder and double-cylinder steam turbines
Bunček, Patrik ; Fiedler, Jan (oponent) ; Kracík, Petr (vedoucí práce)
The master thesis deals with design and comparison of condensing steam turbine for steam-gas cycle for single-cylinder and double-cylinder body with air condenser at its end, one regulated take and ability to use additive steam. Thesis is based on the calculation of thermal scheme which is followed by a preliminary and subsequently a detailed design of steam turbine. Thermodynamic efficiency for single-cylinder turbine was calculated at 93,28 % with terminal power 136,2 MW. The design procedure was repeated for a double-cylinder body. Calculated terminal power for two-cylinder turbine was 134,4 MW with thermodynamic efficiency of 92.1%. By dividing turbine into two rotors resulting low-pressure turbine has a smaller rotor diameter, a longer blade and at the same time a larger number of stages. For double-cylinder turbine, it was necessary to consider twice the number of seals and radial bearings. Due to the increase in flow diameter of low-pressure turbine, losses related to the geometry of the stage increased. Thesis is supplemented by a section drawing of steam turbine with higher efficiency.
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Comparison of single-cylinder and double-cylinder steam turbines
Bunček, Patrik ; Fiedler, Jan (oponent) ; Kracík, Petr (vedoucí práce)
The master thesis deals with design and comparison of condensing steam turbine for steam-gas cycle for single-cylinder and double-cylinder body with air condenser at its end, one regulated take and ability to use additive steam. Thesis is based on the calculation of thermal scheme which is followed by a preliminary and subsequently a detailed design of steam turbine. Thermodynamic efficiency for single-cylinder turbine was calculated at 93,28 % with terminal power 136,2 MW. The design procedure was repeated for a double-cylinder body. Calculated terminal power for two-cylinder turbine was 134,4 MW with thermodynamic efficiency of 92.1%. By dividing turbine into two rotors resulting low-pressure turbine has a smaller rotor diameter, a longer blade and at the same time a larger number of stages. For double-cylinder turbine, it was necessary to consider twice the number of seals and radial bearings. Due to the increase in flow diameter of low-pressure turbine, losses related to the geometry of the stage increased. Thesis is supplemented by a section drawing of steam turbine with higher efficiency.
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Fine particles produced by the combustion process
Bunček, Patrik ; Chýlek, Radomír (oponent) ; Pospíšil, Jiří (vedoucí práce)
The bachelor thesis deals with the issue of fine particles. The introductory chapter is focused on the general overview, formation and effect of fine particles on the human body. The following chapters aims to introduce combustion process and use of biomass. The experimental part of the thesis reports on results, evaluation and determination of fine particle formation for different environments and conditions.
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