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Design of plastic pressure vessel
Rackovský, Daniel Milan ; Létal, Tomáš (referee) ; Pernica, Marek (advisor)
This bachelor thesis deals with the design of a pressure vessel made of plastic. The introductory part of the thesis contains the theoretical knowledge related to plastic materials. The next part consists of the selection of materials suitable for the design of the pressure vessel and a deeper analysis of their mechanical and other properties. The last part of the thesis deals with the calculation of the wall thickness of the plastic pressure vessel based on the theory of momentless diaphragm shells and the verification of the results using the finite element method, in Ansys Workbench 2022 R1. The analytical calculation is also compared with the calculation using the relationships given in ČSN EN 13445.
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Design of plastic pressure vessel
Rackovský, Daniel Milan ; Létal, Tomáš (referee) ; Pernica, Marek (advisor)
This bachelor thesis deals with the design of a pressure vessel made of plastic. The introductory part of the thesis contains the theoretical knowledge related to plastic materials. The next part consists of the selection of materials suitable for the design of the pressure vessel and a deeper analysis of their mechanical and other properties. The last part of the thesis deals with the calculation of the wall thickness of the plastic pressure vessel based on the theory of momentless diaphragm shells and the verification of the results using the finite element method, in Ansys Workbench 2022 R1. The analytical calculation is also compared with the calculation using the relationships given in ČSN EN 13445.
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Collision of a Small Bubble with a Large Falling Particle
Vejražka, Jiří ; Hubička, M. ; Basařová, P.
The motion of a tiny bubble (< 1mm) in a neighborhood of a solid sphere falling through a liquid is studied. A model assuming irrotational flow around the sphere and spherical bubble shape is provided; this model is validated by comparison with the experiment. The model can be further simplified by neglecting inertial forces, which are negligible in present experiments. Results of the model are provided also for the opposite limit, in which the inertial forces are dominating the bubble motion.
Fulltext: content.csg -  PDF
Plný tet: SKMBT_C22014011511310 - PDF
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