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National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Design of a device for measuring the center of gravity height of road vehicles
 Hanych, Jaroslav ; Blaťák, Ondřej (referee) ; Vančura, Jan (advisor)
This master's thesis deals with problems connected with measuring vehicle centre of gravity height. The research part summarizes generally known methods of measuring vehicle centre of gravity and moments of inertia. Essential part of this thesis is the design of a device for measuring the centre of gravity height of a road vehicle on a principle of measuring a period of oscillation. The height position of the platform of the device is adjustable through hydraulic cylinders. A stress-strain analysis of the design was executed through a combination of analytical methods and a finite element method. The process of measurement was described and an equation for determination of centre of gravity height was deduced. Error of measurement was estimated based on the knowledge of partial errors of measured values.
Detailed record
Influence of wheel rim rotation on road vehicle aerodynamics
 Hanych, Jaroslav ; Vančura, Jan (referee) ; Čavoj, Ondřej (advisor)
The bachelor’s thesis deals with the influence of wheel rotation on the aerodynamic characteristics of a vehicle. Different methods of modelling of wheel rotation are described. The thesis is focused especially on defining aerodynamic differences between static and rotating wheels and finally on the influence of different rim design on aerodynamics.
Detailed record
Design of a device for measuring the center of gravity height of road vehicles
 Hanych, Jaroslav ; Blaťák, Ondřej (referee) ; Vančura, Jan (advisor)
This master's thesis deals with problems connected with measuring vehicle centre of gravity height. The research part summarizes generally known methods of measuring vehicle centre of gravity and moments of inertia. Essential part of this thesis is the design of a device for measuring the centre of gravity height of a road vehicle on a principle of measuring a period of oscillation. The height position of the platform of the device is adjustable through hydraulic cylinders. A stress-strain analysis of the design was executed through a combination of analytical methods and a finite element method. The process of measurement was described and an equation for determination of centre of gravity height was deduced. Error of measurement was estimated based on the knowledge of partial errors of measured values.
Detailed record
Influence of wheel rim rotation on road vehicle aerodynamics
 Hanych, Jaroslav ; Vančura, Jan (referee) ; Čavoj, Ondřej (advisor)
The bachelor’s thesis deals with the influence of wheel rotation on the aerodynamic characteristics of a vehicle. Different methods of modelling of wheel rotation are described. The thesis is focused especially on defining aerodynamic differences between static and rotating wheels and finally on the influence of different rim design on aerodynamics.
Detailed record

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