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Inlet recirculation of centrifugal pump
Heinz, Pavel ; Štefan, David (referee) ; Rudolf, Pavel (advisor)
This diploma thesis deals with the phenomenon appearing in hydrodynamic pumps at the sub-optimal flow rate. This phenomenon is inlet recirculation, which is an undesirable phenomenon in the suction of the pump. This recirculation causes cavitation, pressure pulsations and may cause clogging of the suction line. The main goal of the diploma thesis is CFD simulation for the recirculation mode, identification of the flow phenomena, and designs of possible measures to suppress inlet recirculation.
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Adjoint solver
Heinz, Pavel ; Kůrečka, Jan (referee) ; Moravec, Prokop (advisor)
This bachelor thesis deals with an analysis of selected settings of Adjoint solver in commercial software ANSYS Fluent 18.2. The first part of the thesis deals with the basics of hydrodynamics, especially the equations describing the behaviour of liquids. It also deals with the theoretical foundations of CFD simulation and shape optimization. Examples of simple shape optimization cases are presented in this thesis. The last part focuses on the analysis of selected settings of Adjoint solver. These settings are afterwards tested on specific hydraulic part for a purpose of a pressure loss reduction.
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Extension of the sports centre in Slopné, technological stage of roofing
Heinz, Pavel ; Boháček, Adam (referee) ; Šlanhof, Jiří (advisor)
The bachelor thesis deals with the technological stage of the roofing of the sports centre extension in the village of Slopné. It is the construction of a multi-purpose building, which extends the capacity of the existing community centre. The extension consists of ground floor parts and a main hall/gymnasium with multifunctional use. The content of the work includes a technical report for the roofing, a solution for the transport of materials, a technological regulation for the assembly work of the roofing of the hall, an itemized budget for the roofing and a timetable for the specified technological stage, an inspection and testing plan and a solution for occupational safety in the process.
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Inlet recirculation of centrifugal pump
Heinz, Pavel ; Štefan, David (referee) ; Rudolf, Pavel (advisor)
This diploma thesis deals with the phenomenon appearing in hydrodynamic pumps at the sub-optimal flow rate. This phenomenon is inlet recirculation, which is an undesirable phenomenon in the suction of the pump. This recirculation causes cavitation, pressure pulsations and may cause clogging of the suction line. The main goal of the diploma thesis is CFD simulation for the recirculation mode, identification of the flow phenomena, and designs of possible measures to suppress inlet recirculation.
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Adjoint solver
Heinz, Pavel ; Kůrečka, Jan (referee) ; Moravec, Prokop (advisor)
This bachelor thesis deals with an analysis of selected settings of Adjoint solver in commercial software ANSYS Fluent 18.2. The first part of the thesis deals with the basics of hydrodynamics, especially the equations describing the behaviour of liquids. It also deals with the theoretical foundations of CFD simulation and shape optimization. Examples of simple shape optimization cases are presented in this thesis. The last part focuses on the analysis of selected settings of Adjoint solver. These settings are afterwards tested on specific hydraulic part for a purpose of a pressure loss reduction.
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