National Repository of Grey Literature 36 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
The force of water jet on a flat surface
Kasal, Milan ; Soukup, Lubomír (referee) ; Fic, Miloslav (advisor)
This bachelor thesis discusses about the theory of fluid mechanics. In the first part of work are listed the basic hydrodynamic laws for ideal and real fluid. Further there was derived force acting on the surface. The second part is devoted to the practical use of force water jet to generate electricity and cutting of material. The objective of the last section, was practical verification of derived relations during laboratory measurements.
Analysis of working operation hydroelectric power plant Kníničky and Komín
Novotný, Vojtěch ; Soukup, Lubomír (referee) ; Hudec, Martin (advisor)
The aim of this Bachelor thesis is to describe hydroelectric power plant system Kníničky – Komín and optimize its operation with suitable mathematical model. For an introduction to the topic there is at the beginning of the thesis a chapter that describes and divides small hydro power plants and their machinery.
Utilization of the greywater
Zríni, Miroslav ; Soukup, Lubomír (referee) ; Štigler, Jaroslav (advisor)
The bachelor work consists of two parts. First is the theoretical research about waste water of household. Due to the different features of the water, it is divided into greywater and rainwater. In each section are mentioned properties, quality needs, cleaning method and others. Concrete utilization of these waters is illustrated on the recycling system by company Asio. s.r.o. Last chapter deals with heat recovery of the greywater. Second, the practical part is aimed at proposal of a small recycling unit in certain location. It includes proposal of a storage tank, selection of a pump device or water station and any necessary accessories. The end is concluded with financial balance-sheet of the project.
Ordinary differential equations and their applications in physics
Soukup, Lubomír ; Kisela, Tomáš (referee) ; Čermák, Jan (advisor)
Numerous tasks of engineering practice lead to ordinary differential equations. In many cases these equations exist as mathematic formalization of appropriate physical laws. The aim of this thesis is to mention some of these problems especially with regard to the topic discussed within the studies at FSI VUT in Brno.
Possible ways of reduction of the resistance of a body moving in liquids inspired by nature
Krejčiřík, Stanislav ; Soukup, Lubomír (referee) ; Štigler, Jaroslav (advisor)
The bachelor´s thesis follows up the possible ways of body drag reduction, and it is inspired by nature. In the first part, basic theoretical concepts regarding bodies moving in liquids are described. Furthermore the thesis presents particular marine animals with developed mechanism for drag reduction. This includes dolphins, sharks and humpback whales. Possible technical and other applications are shown on these examples.
Balancing of hydraulic machines
Buben, Marek ; Soukup, Lubomír (referee) ; Nováková, Naděžda (advisor)
This bachelor’s thesis is technical research dealing with issues of static and dynamic balancing of rotors. The first part of this work is devoted to explaining basic concepts associated with problems of balancing. As for the next part, this work defines types of imbalances and basic methods of balancing. The last part is devoted to describing machines for static and dynamic balancing and their operation in practice.
Analysis of the Fluid Flow in Pipes Circular and Not Circular Cross-Section With Methods Using Distribution of the Vorticity Density
Soukup, Lubomír ; Kozubková, Milada (referee) ; Matas, Jakub (referee) ; Štigler, Jaroslav (advisor)
The doctoral thesis deals with the analysis of the flow in the circular and not circular cross-section pipes by methods using the distribution of the vorticity density. This analysis is particularly focused on the derivation of the new velocity profiles formulas using the above mentioned method. In this work is presented a historical overview of the derived velocity profiles. This overview of already derived velocity profiles will be a fundamental benchmark for newly derived velocity profiles. These new velocity profiles are derived for the circular and not circular cross-section pipes and the derivation is based on the analogy of electromagnetic induction by using Biot-Savart law. It is necessary to apply this analogy at first on solitary vortex filament. By taking this step is possible to get the value of the induced velocity from one solitary vortex filament. Subsequently it is possible to obtain the value of the induced velocity from the vorticity wall and afterwards from the vorticity density distribution over the cross section. This work contains also the results of the experimental measurements of the velocity profiles, and of the CFD simulations. Experimentally measured results are used besides other for the selecting of the most suitable CFD computational model. Selected CFD model will be subsequently declared as a reference model and the valid velocity profiles for this model will serve with the experimentally measured data as a benchmark for the newly derived velocity profiles.
Pressure losses and heat output of the hydraulic blocks of a linear integrated hydraulic unit
Soukup, Lubomír ; Červinka, Martin (referee) ; Klas, Roman (advisor)
A common problem in the design of hydraulic systems is the pressure losses caused by movement of viscous liquid in individual elements of hydraulic circuits. These losses have negative effects on the overall efficiency of hydraulic systems and thus their overall operation. There is a change in temperature of working fluid and components (elements) of circuit due to the result of the mentioned losses. This master thesis is focused on the heat generation (output) in hydraulic cubes of a linear integrated hydraulic cubes (here in after LIHJ) which is the prototype of hydraulic lifting equipment. Losses, arising during the operation LIHJ in pipes and in hoses, can be determined numerically and experimentally. Most of hydrostatic transmitters and others hydraulic components are almost always supplied with the necessary documentation which contains all the necessary information such as experimental characteristics, etc. However problematic parts are the hydraulic blocks which are specific to their size and function. Of course, each manufacturer must prepare technical documentation including characteristics which are important for trouble-free operation of the hydraulic system. The main aim of this work is to determine pressure losses and the heat generation (output) in the hydraulics blocks by program which is used for creating geometry and computing using software like Ansys Fluent, which is based on the finite element method. If these calculations could be compared with experimental measurement technically, then heat generation (output) in both the cubes will be evaluated towards other hydraulic components and the whole system (device). The simulation results will be implemented in software which is used for calculation of heat generation in LIHJ at different operating modes and loads. Furthermore, these results will be the basis for the design of geometry of hydraulic blocks with low pressure losses which will reduce energy consumption of the device. At the end of this thesis, some advanced methods for the manufacturing of hydraulic blocks are briefly introduced, namely the method 3-D casting.
High pressure hydraulics in agricultural machinery
Pavlík, Václav ; Kárník, Jan (referee) ; Soukup, Lubomír (advisor)
This bachelor thesis provides an overview of the most used ways of converting kinetic energy into pressure energy and the other way around by using hydrostatic converters. It is focused on the issue of high-pressure hydraulic mechanisms in agricultural machinery. In the next section I focused on getting an overview of the function of sophisticated hydraulic systems in current tractors and calculation of heat losses of lifting weight by front three-point hitch. For solving was used Bernoulli equation for real flow in pipes.
Pumps designed to replace the human heart
Šedivý, Dominik ; Nováková, Naděžda (referee) ; Soukup, Lubomír (advisor)
The topic of the bachelor’s thesis is pumps designed to replace the human heart. The thesis contains historic development of pumps, which are used for pumping the blood. Further there are described technical parameters of different pump types for supporting human organs. One part of the thesis is focused on hemodynamic.

National Repository of Grey Literature : 36 records found   1 - 10nextend  jump to record:
See also: similar author names
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