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Design of Experimental One-cylinder Engine with Floating Liner
Svoboda, Radovan ; Svída, David (referee) ; Novotný, Pavel (advisor)
The aim of this master`s thesis was to design a single-cylinder test engine for measuring of the friction forces between the piston group and the cylinder liner. Main engine parameters are based on the common production engine. A floating liner device was chosen for a friction forces measurement. It was necessary to solve an attachment and sealing of the floating liner. Stress-strain analysis of the floating liner has been done. Next step was to re-design a production crankshaft also with a connected balancing devices for single-cylinder engine. Powertrain was seated in a completely new units. Finally the engine was completed and mounted on a stand.
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Five-cylinder in-line diesel engine with viscous type damper
Procházka, Miloslav ; Novotný, Pavel (referee) ; Píštěk, Václav (advisor)
The aim of this diploma work is to design moving parts of the five cylinder inline diesel engine with given parameters, then to balance centrifugal forces and moments and design viscous torsional vibrations damper and calculate forced oscilations without the damper as well as with the damper. The designed parts are put to stress analyse by finite elements method. My design is based on similar construction of four cylinder engine Zetor.
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Cranktrain of three-cylinder in-line disel engine
Kovář, Pavel ; Ramík, Pavel (referee) ; Píštěk, Václav (advisor)
This master’s thesis describes design and comparison of three variants of the crankshaft in-line diesel engine for commercial vehicles. The work focuses on working with programs for 3D modelling and analysis proposed models, to be able to work under difficult conditions. Part of this work is a computational modal and strength analysis.
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Powertrain of unconvential V-6 diesel engine with viscous type damper
Hejda, Tomáš ; Novotný, Pavel (referee) ; Píštěk, Václav (advisor)
The purpose of this thesis is design an unconventional powertrain V-6 engine with cylinder opening lines offset 90 degrees and 30 degrees of crank pin offset. It is an analysis of the balance of the crank mechanism, proposed unbalance, build a model of discrete torsion system, design of viscous torsional vibration damper, compares the results of the calculation of strength without crankshaft damper and with damper.
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Powertrain of unconvential V-6 diesel engine with balancing shaft
Vaculík, Tomáš ; Novotný, Pavel (referee) ; Píštěk, Václav (advisor)
The aim of this thesis is to design a powertrain of unconvential V-6 diesel engine with balancing shift with angel of cylinders’s axis 90 degrees and crank pin ofset of 30 degrees. The thesis provides an analysis of balance of inertial forces and their moments, layout of counterbalances on crankshaft and balancing shaft. It also provides a layout of discrete model of torsional cranksaft mechanism and layout of rubber damper of torsional oscillations.
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Five-cylinder in-line diesel engine
Kujawa, Pawel ; Dundálek, Radim (referee) ; Píštěk, Václav (advisor)
The primary objective of this thesis was to design a crankshaft according to given parameters. In this case the thesis also contains the balancing of inertia forces and its moments, modal analysis and calculation of torsion vibrations. The last chapter includes a calculation of the safety factor by using a Finite Element Method.
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Powertrain of a V-four engine
Pecka, Luboš ; Svída, David (referee) ; Drápal, Lubomír (advisor)
This thesis is focused to design of powertrain V-four gasoline engine. It compares crank-pins configuration, firing sequence and bank angle with a view of crankshaft stress and torsional vibration. The thesis also includes crankshaft balancing design.
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