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Evaluation of turf sprinkle irrigation
Pokorný, Petr ; Kroulík, Jan (referee) ; Králová, Helena (advisor)
Bachelor´s thesis is focused on evaluation of turf sprinkler irrigation. The aim of bachelor´s thesis is testing of used and new nozzles of the sprinkler TORO S850. The thesis contains method of testing nozzles and evaluation results. Measured values are compared and difference in distribution of irrigation water is determined.
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Design of heat exchanger after ČSN EN 13 445
Lošák, Pavel ; Vincour, Dušan (referee) ; Vincour, Dušan (referee) ; Nekvasil, Richard (advisor)
Diploma thesis is fucused on strength calculation of the heat exchanger according to ČSN EN 13 445. Introductory part introduce problems with the design of heat exchangers. In other parts there are a strength calculation of the heat exchanger according to ČSN EN 13 445, the results of the analysis with their appreciation. Annexes included output logs from the program Sant 'Ambrogio, and drawings documentation.
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Non-stacionary thermal field in the nozzle at stream mixing
Vosynková, Jana ; Vincour, Dušan (referee) ; Nekvasil, Richard (advisor)
Nuclear energy is already well known area of energy generation. However, it is necessary to eliminate the potential risks of failure. That places special emphasis on safety in production and operation of nuclear power, especially its primary circuit. This work is focused on thermal damage to the injection nozzle, which is part of the pressurizer in the primary circuit Dukovany plant.The aim was a comparative analysis of two geometries nozzle which were loaded by varying temperature loading trought time and by static preassure loading. Main attention was placed on the thermal shocks in the material.
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Discharge coefficients for nozzles of a low-NOx gas burner
Zifčáková, Barbora ; Bojanovský, Jiří (referee) ; Juřena, Tomáš (advisor)
Nozzles belong to the main parts of a low-NOx gas burner. Their purpose is to transport fuel into a combustion system. One way of judging a quality of a nozzle is to define its discharge coefficient. It expresses an efficiency of energy conversion – from pressure to kinetic energy. In this thesis the discharge coefficients of several nozzles were established, using Ansys Fluent software for computer simulation. A calculation was tuned to a reference geometry and then applied to other geometries of nozzles, which were both planar and spatial. Numerically obtained data were compared with experimental data. The benefits of this thesis are comparism of two main methods of flow modelling (Scalable Wall Function and Enhanced Wall Treatment) and formulation of a calculation methodology for this type of physical problem. The results provided by this thesis might be used for both another study and experimental research.
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Design of heat exchanger
Klučka, Ivan ; Nekvasil, Richard (referee) ; Lošák, Pavel (advisor)
This thesis is focused on the thermal-hydraulic and construction design of heat exchanger with floating head. The introductory part is dedicated to the design of heat exchangers. Next part is focused on the thermal-hydraulic design created in HTRI software (module Xist. The next section is the strength calculation of selected components of the heat exchanger according to EN 13445 in software Sant'Ambrogio. The following part describes each of the analysis in software Ansys Workbench. The final part contains complete manufacturing documentation of heat exchanger.
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Discharge coefficients for nozzles of a low-NOx gas burner
Zifčáková, Barbora ; Bojanovský, Jiří (referee) ; Juřena, Tomáš (advisor)
Nozzles belong to the main parts of a low-NOx gas burner. Their purpose is to transport fuel into a combustion system. One way of judging a quality of a nozzle is to define its discharge coefficient. It expresses an efficiency of energy conversion – from pressure to kinetic energy. In this thesis the discharge coefficients of several nozzles were established, using Ansys Fluent software for computer simulation. A calculation was tuned to a reference geometry and then applied to other geometries of nozzles, which were both planar and spatial. Numerically obtained data were compared with experimental data. The benefits of this thesis are comparism of two main methods of flow modelling (Scalable Wall Function and Enhanced Wall Treatment) and formulation of a calculation methodology for this type of physical problem. The results provided by this thesis might be used for both another study and experimental research.
|
|
|
Design of heat exchanger
Klučka, Ivan ; Nekvasil, Richard (referee) ; Lošák, Pavel (advisor)
This thesis is focused on the thermal-hydraulic and construction design of heat exchanger with floating head. The introductory part is dedicated to the design of heat exchangers. Next part is focused on the thermal-hydraulic design created in HTRI software (module Xist. The next section is the strength calculation of selected components of the heat exchanger according to EN 13445 in software Sant'Ambrogio. The following part describes each of the analysis in software Ansys Workbench. The final part contains complete manufacturing documentation of heat exchanger.
|
|
|
Design of heat exchanger after ČSN EN 13 445
Lošák, Pavel ; Vincour, Dušan (referee) ; Vincour, Dušan (referee) ; Nekvasil, Richard (advisor)
Diploma thesis is fucused on strength calculation of the heat exchanger according to ČSN EN 13 445. Introductory part introduce problems with the design of heat exchangers. In other parts there are a strength calculation of the heat exchanger according to ČSN EN 13 445, the results of the analysis with their appreciation. Annexes included output logs from the program Sant 'Ambrogio, and drawings documentation.
|
|
|
Non-stacionary thermal field in the nozzle at stream mixing
Vosynková, Jana ; Vincour, Dušan (referee) ; Nekvasil, Richard (advisor)
Nuclear energy is already well known area of energy generation. However, it is necessary to eliminate the potential risks of failure. That places special emphasis on safety in production and operation of nuclear power, especially its primary circuit. This work is focused on thermal damage to the injection nozzle, which is part of the pressurizer in the primary circuit Dukovany plant.The aim was a comparative analysis of two geometries nozzle which were loaded by varying temperature loading trought time and by static preassure loading. Main attention was placed on the thermal shocks in the material.
|
|
|
Evaluation of turf sprinkle irrigation
Pokorný, Petr ; Kroulík, Jan (referee) ; Králová, Helena (advisor)
Bachelor´s thesis is focused on evaluation of turf sprinkler irrigation. The aim of bachelor´s thesis is testing of used and new nozzles of the sprinkler TORO S850. The thesis contains method of testing nozzles and evaluation results. Measured values are compared and difference in distribution of irrigation water is determined.
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