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Sedimentation of MR fluid at the start of new space lanucher
Berka, Pavel ; Strecker, Zbyněk (referee) ; Roupec, Jakub (advisor)
This bachelor thesis deals with sedimentation behavior of magnetorheological fluid exposed to acceleration 1-6 G. That simulates start of a space launcher. Main goal of this work is to bring new knowledge of MR fluids behavior. Experiment of accelera-ted sedimentation as well as the long term sedimentation is presented, including new method and measuring device developed to measure the sedimentation, in order to compare different commercial MR fluids. Results from this work will be used in development of the new semiactive dum-ping system for carrying load in ESA new space launcher.
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The screw conveyor of aggregate
Novák, Pavel ; Jonák, Martin (referee) ; Řezníček, Milan (advisor)
This bachelor's thesis deals with the design of the screw conveyor for transport of aggregate. It consists of a technical report containing mainly conceptual design of the entire device, calculation of the main dimensions, design a functional drive and choice of flexible shaft coupling, load calculation, selection and checking of bearings and strength control of structural components, plus drawings, which consists of a set of proposed installation, detailed subassemblies of the attachments of worm shaft in all bearings, welding subassemblies of the trough and production drawing of the input pin.
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Design of aerodynamic wings of Formula Student / SAE
Fryšták, Lukáš ; Lajza, Ondřej (referee) ; Popela, Robert (advisor)
The objective of this thesis is design of aerodynamic wings for Formula Student/SAE car. Firstly, Formula Student is introduced and regulations concerning aerodynamic devices are discussed. Design of two-element inverted wing is described and this two dimensional airfoil section is analyzed in CFD. Forces acting on a moving vehicle are analyzed and effect of aerodynamic loads on vehicle dynamics is considered.
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Project of loader crane
Stoklasa, Jaroslav ; Řezníček, Milan (referee) ; Malášek, Jiří (advisor)
This bachelors thesis focuses on a project of a loading crane for mobile devices. Its goals are material strength calculations, drawing documentation, drawing of a hydraulic circuit, 2D assembly and partial production sheets. The loading crane maximum carrying capacity is 1500 kg and enables horizontal and vertical rotation of the crane-arm.
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Travelling and lifting mechanism
Husák, Adam ; Šťastný, Antonín (referee) ; Malášek, Jiří (advisor)
This bachelor´s thesis is aimed on traveling and lifting device designed for transportation of BELL helicopters between tarmac and hangar. The first part is devoted to review and evaluation general producers of similar devices. Furthermore there are analysis of possible mechanisms and subsequent choice of appropriate solution. The second part deals with design solution and calculations. Includes drawing of designed device. This device is defined by load capacity up to 2000 kg and stroke 80 mm.
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Project of hydraulic arm
Andrlík, Jan ; Škopán, Miroslav (referee) ; Malášek, Jiří (advisor)
This thesis is elaborated design of the hydraulic arm. The target is for the composition of the important strength calculations and drawings hydraulic arm, whichis designed for mobile devices. Hydraulic arm allows shooting in a horizontal 360° vertical shooting between 90° and a maximum load arm 1000kg. In the work is also a schematic hydraulic circuit design.
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Design of impact microviscometer
Junek, Jan ; Zimmerman, Martin (referee) ; Hartl, Martin (advisor)
This thesis treats the design and practical realization of the impact microviscosimeter construction. In the thesis there is stated the synopsis of the ten to date existing experimental devices meant for the study of rheological features of lubricants. There is elaborated their technical and developmental analysis with the description of used measuring method. It also includes basics calculations, the size of Hertz contact region and the size of the force loading, which are necessary for the design and construction of this particular device. The part of this thesis is the technical documentation.
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Ventilation and air conditioning of office building
Kroupa, Petr ; Adam, Pavel (referee) ; Hirš, Jiří (advisor)
Thesis solves design of air conditioning in selected part of the office building. The building has two floors, there isn't a basement and no open windows. The airconditioning solves forced ventilation of the building, balance calculation of heat load and heat loss. Conceptual resolution of the designing systems in selected part, desing and placement of ventilation devices with regard to economy and investment.
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Measuring strength and modulus of deformability of wood in compression parallel to the grain in a bored hole by a small jack\n
Kloiber, Michal
The publication is dedicated to the methodical description of the technical solution and the measurement of strength and modulus of deformability of wood in compression parallel to the grain in a bored hole by pushing apart grips of a small jack and loading the walls of the hole. The methodology presents the principles of the device usage and measurement result evaluation for the purposes of surveys of historical monuments and projects for their rescue or appreciation. Currently, there is no other method allowing determination of mechanical properties of wood, such as strength and modulus of elasticity in compression parallel to the grain, directly in the field without sampling. Therefore, the research was oriented to the development of a simple method, practically applicable for the purpose of structural-technical surveys of timber structures, in particular historical monuments. The resulting methodology meets the protection of the cultural heritage standards, in particular the requirement to minimize interference with the original material, while retaining high reliability of the determined wood mechanical properties of wood.
Fulltext: content.csg -  PDF
Plný tet: 0453514_2015_Kloiber_Mereni_pevnosti_a_modulu_pretvarnosti_dreva_CM_NAKI-001 - PDF
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