National Repository of Grey Literature 6 records found  Search took 0.01 seconds. 
Analysis of technical-economic parameters of the tractor kits in transport
Krátký, Martin ; Slimařík, Dušan (referee) ; Bauer, František (advisor)
This thesis deals with the use of the tractor in agricultural transport. The first part describes the current status in construction of tractor engines, transmissions and chassis that are used in tractors suitable for transport. The theoretical section includes an overview of the legislative requirements that must be followed for the tractor kits in transport on the road. The main objective of this thesis was to evaluate a measuring of fuel consumption and efficiency of the tractor JCB Fastrac 185-65 with two flatbed trailers. For this purpose was created the methodics off terrain measurement, which were carried out for different operation modes of the engine. The results were tabular and graphical processing including determining the accuracy of the method by calculating the relative error of measurement. For comparison a theoretical calculation of the consumed fuel was made. The aim of the measurements was to demonstrate fuel-saving during operation engine in the economic field and get an overview about fuel consumption and efficiency kits.
Effect of engine load on the output parameters of the tractor kits
Paulmichl, Roman ; Svída, David (referee) ; Bauer, František (advisor)
The thesis deals with the current situation in the construction of tractors, particularly engines and accessories. The work includes a methodology for measuring tractor rigs in traffic as well as methodology for plough/plow kits measuring. The measured values were tabulated, graphically presented and analysed. The thesis provides an overview of the issue of the combustion engine load placed on the engine by working conditions in transport, during primary soil tillage with different modes of operation of the tractor set. The thesis aim is to find out the practical effect of the engine load on the monitored parameters and to indicate possibilities for achieving higher efficiency in tractor units with minimum fuel performance
Properties of automotive fuels and their effects on the combustion process
Riedl, Dávid ; Svída, David (referee) ; Beran, Martin (advisor)
Bachelor thesis is focused on gathering information about nowadays used synthetic fuels in spark-ignition engines. Main objective is to analyse fuel properties and their impact upon combustion process. Another part of this thesis was an effort to verify acquired implications by running a simulation in software Lotus Engine Simulation using knowledge of fuel properties and compositions.
Přehled vybraných parametrů traktorů dostupných na trhu v České republice - rešerše
KOPENEC, Jiří
The bachelor thesis is focused on finding and comparing various parameters of tractors available on the market in the Czech Republic in 2016. The main objective was to find out which tractors are available on the Czech market and to compare them according to performance classes and within performance classes according to selected parameters such as fuel consumption at maximum engine power, purchase price, maximum torque, fuel tank capacity, torque increase, turning radius, cab noise and maximum speed. The results were recorded in the tables, evaluated, compared, and graphically presented. The literary research contains information on the history of tractors, their distribution and the available tractors brands on the Czech market.
Analysis of technical-economic parameters of the tractor kits in transport
Krátký, Martin ; Slimařík, Dušan (referee) ; Bauer, František (advisor)
This thesis deals with the use of the tractor in agricultural transport. The first part describes the current status in construction of tractor engines, transmissions and chassis that are used in tractors suitable for transport. The theoretical section includes an overview of the legislative requirements that must be followed for the tractor kits in transport on the road. The main objective of this thesis was to evaluate a measuring of fuel consumption and efficiency of the tractor JCB Fastrac 185-65 with two flatbed trailers. For this purpose was created the methodics off terrain measurement, which were carried out for different operation modes of the engine. The results were tabular and graphical processing including determining the accuracy of the method by calculating the relative error of measurement. For comparison a theoretical calculation of the consumed fuel was made. The aim of the measurements was to demonstrate fuel-saving during operation engine in the economic field and get an overview about fuel consumption and efficiency kits.
Effect of engine load on the output parameters of the tractor kits
Paulmichl, Roman ; Svída, David (referee) ; Bauer, František (advisor)
The thesis deals with the current situation in the construction of tractors, particularly engines and accessories. The work includes a methodology for measuring tractor rigs in traffic as well as methodology for plough/plow kits measuring. The measured values were tabulated, graphically presented and analysed. The thesis provides an overview of the issue of the combustion engine load placed on the engine by working conditions in transport, during primary soil tillage with different modes of operation of the tractor set. The thesis aim is to find out the practical effect of the engine load on the monitored parameters and to indicate possibilities for achieving higher efficiency in tractor units with minimum fuel performance

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