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Vyhodnocení emisí amoniaku z chovu drůbeže ve vybraném zemědělském podniku
HES, Adam
This bachelor's thesis focuses on the assessment of ammonia emissions from agricultural operations and their potential impact on the environment and human health. The aim of the work is to analyze the factors affecting ammonia emissions and propose possible measures to reduce them. To achieve this goal, measurements of ammonia emissions were carried out using specialized sensors located in different places of the farm. At the same time, information was collected on the procedures and technologies used in animal husbandry and fertilizer storage. The analyzes carried out showed that the main sources of ammonia emissions in the analyzed agricultural company MTD Ústrašice are the breeding of farm animals and the application of fertilizers to the fields. We identified factors such as the type and size of animal husbandry, storage methods, and fertilizer application techniques that affect ammonia emission rates. Based on our findings, we propose the implementation of measures aimed at reducing ammonia emissions, such as optimizing fertilizer storage technologies, modifying procedures and using alternative animal husbandry methods. These measures should contribute to the protection of the environment and human health in the given agricultural enterprise.
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Cylinder deactivation of a spark-ignition engine
Fridrichová, Kateřina ; Píštěk, Václav (referee) ; Drápal, Lubomír (advisor)
This thesis focuses on a technology called cylinder deactivation. The technology helps reducing emissions and fuel consumption. The first part summarizes the possibilities of application of the cylinder deactivation technology as well as advantages resulting from combination with other technologies. The thesis also consists of two design options for valvetrain in inline four-cylinder engine and the results of simulations of dynamics of its cranktrain.
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Cylinder Deactivation for Internal-combustion Engines
Fridrichová, Kateřina ; Janoušek, Michal (referee) ; Drápal, Lubomír (advisor)
This bachelor’s thesis focuses on a technology reducing fuel consumption and emissions called cylinder deactivation. The evolution of the technology is described in the first part of the thesis together with explanation of the nature of fuel savings. The description of consequences associated with usage of the technology and possible design approaches for gasoline engines are written in the following part. The thesis also incorporates the results of test performed on diesel engines, where the technology is not currently in production. The last part includes other components used in engines with cylinder deactivation, especially vibration absorbers, together with some examples of application of this technology.
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Cylinder deactivation of a spark-ignition engine
Fridrichová, Kateřina ; Píštěk, Václav (referee) ; Drápal, Lubomír (advisor)
This thesis focuses on a technology called cylinder deactivation. The technology helps reducing emissions and fuel consumption. The first part summarizes the possibilities of application of the cylinder deactivation technology as well as advantages resulting from combination with other technologies. The thesis also consists of two design options for valvetrain in inline four-cylinder engine and the results of simulations of dynamics of its cranktrain.
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Cylinder Deactivation for Internal-combustion Engines
Fridrichová, Kateřina ; Janoušek, Michal (referee) ; Drápal, Lubomír (advisor)
This bachelor’s thesis focuses on a technology reducing fuel consumption and emissions called cylinder deactivation. The evolution of the technology is described in the first part of the thesis together with explanation of the nature of fuel savings. The description of consequences associated with usage of the technology and possible design approaches for gasoline engines are written in the following part. The thesis also incorporates the results of test performed on diesel engines, where the technology is not currently in production. The last part includes other components used in engines with cylinder deactivation, especially vibration absorbers, together with some examples of application of this technology.
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