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Water hammer theory
Šíblová, Kamila ; Habán, Vladimír (referee) ; Fialová, Simona (advisor)
The thesis is a well-arranged text, which deals with the theory, solution and use of water hammer. For solution is used the method of charakteristic, the Lax-Wendroff method and the methods of FTCS. The thesis is a synthesis of all available information about the watter hammer and its use in practice.
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Usage of Fluent in computations of unsteady flow in large networks
Pavelka, František ; Štefan, David (referee) ; Himr, Daniel (advisor)
The main objective of this Master´s thesis is the appropriate calculation proposal of pressure and discharge conditions in extensive ducts in unsteady flow. The calculation proposal was aimed at the conenction of two commercial programmes. Exacly the programme Ansis Fluent and Matlab, which deals with the connection of onedimensional (1D) calculation in Matlab and multidimensional (2D) calculation in Ansys Fluent programme. This Mastr’s thesis also deals with creation of the independent 1D model (Matlab, method of characteristic) and independent 2D model flow (Ansys Fluent, Inviscid model).
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Impact of air vessel resistance on water hammer
Novotná, Markéta ; Habán, Vladimír (referee) ; Himr, Daniel (advisor)
The thesis deals with the effect of an air vessel on water hammer, with special accent on the resistance of the air vessel connection and its effect on water hammer damping. The thesis describes the methods of water hammer protection, the possibilities of numerical solution of water hammer, as well as technical applications that use hydraulic shock. One chapter is focused on the hydraulic losses that define the resistance of the air vessel connection. For the model example, a numerical model was made using the method of characteristics, which was then compared with experiment and modified to describe the real process as accurately as possible. Therefore, some of the numerical model inputs were also determined experimentally.
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Usage of Fluent in computations of unsteady flow in large networks
Pavelka, František ; Štefan, David (referee) ; Himr, Daniel (advisor)
The main objective of this Master´s thesis is the appropriate calculation proposal of pressure and discharge conditions in extensive ducts in unsteady flow. The calculation proposal was aimed at the conenction of two commercial programmes. Exacly the programme Ansis Fluent and Matlab, which deals with the connection of onedimensional (1D) calculation in Matlab and multidimensional (2D) calculation in Ansys Fluent programme. This Mastr’s thesis also deals with creation of the independent 1D model (Matlab, method of characteristic) and independent 2D model flow (Ansys Fluent, Inviscid model).
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Water hammer theory
Šíblová, Kamila ; Habán, Vladimír (referee) ; Fialová, Simona (advisor)
The thesis is a well-arranged text, which deals with the theory, solution and use of water hammer. For solution is used the method of charakteristic, the Lax-Wendroff method and the methods of FTCS. The thesis is a synthesis of all available information about the watter hammer and its use in practice.
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