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Aircraft air-conditioning systems
Lednický, Ondřej ; Horák, Marek (referee) ; Třetina, Karel (advisor)
The bachelor thesis is focused on the aircraft air-conditioning systems, their functions and basic tasks needed for a safe and comfortable flight. The thesis is divided into several chapters: the first one deals with the most important factors influencing human health. Next chapter is focused on a description of the assurance of main components which are composing the aircraft air-conditioning system. Final chapter of the thesis deals with oxygen systems, which are essential for the survivor of the passengers in the case of an accident.
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Engagement Force Control of Multi-plate Clutches of Dual Clutch Gearbox
Horák, Josef ; Prokop, Aleš (referee) ; Novotný, Pavel (advisor)
The master’s thesis deals with ways of controlling starting clutches of cars, especially of DQ200 gearbox, which contains dry disc clutches. The introduction describes basic principles of torque transfer and amount of clutch force. Then the description of construction of starting clutches and ways of controlling clutch types mentioned beforehand is given. In the next part of the thesis, wide spectrum of control methods is measured, from which a certain part is selected. This is followed by driving tests and based on driving data, one method of the clutch control is chosen. Then those control methods from narrow selection are tested for acoustic impact in the cabin of the car. In the end the best way of clutch control is selected. The selection based on driving data and acoustic measurement.
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Engagement Force Control of Multi-plate Clutches of Dual Clutch Gearbox
Horák, Josef ; Prokop, Aleš (referee) ; Novotný, Pavel (advisor)
The master’s thesis deals with ways of controlling starting clutches of cars, especially of DQ200 gearbox, which contains dry disc clutches. The introduction describes basic principles of torque transfer and amount of clutch force. Then the description of construction of starting clutches and ways of controlling clutch types mentioned beforehand is given. In the next part of the thesis, wide spectrum of control methods is measured, from which a certain part is selected. This is followed by driving tests and based on driving data, one method of the clutch control is chosen. Then those control methods from narrow selection are tested for acoustic impact in the cabin of the car. In the end the best way of clutch control is selected. The selection based on driving data and acoustic measurement.
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Aircraft air-conditioning systems
Lednický, Ondřej ; Horák, Marek (referee) ; Třetina, Karel (advisor)
The bachelor thesis is focused on the aircraft air-conditioning systems, their functions and basic tasks needed for a safe and comfortable flight. The thesis is divided into several chapters: the first one deals with the most important factors influencing human health. Next chapter is focused on a description of the assurance of main components which are composing the aircraft air-conditioning system. Final chapter of the thesis deals with oxygen systems, which are essential for the survivor of the passengers in the case of an accident.
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Breathing Apparatus equipment in the Units of the Fire Rescue Service of the South Bohemia Region
SOKOL, Karel
The Fire Rescue Service of the Czech Republic is one of the fundamental components of the Integrated Rescue System. Its overall development and modern equipment allows for a very effective way to provide assistance in all types of emergencies. The breathing apparatus equipment is one of the many parts of the common personal protective equipment that allows firefighters to remain within even a stifling environment. The aim of this thesis was to make a full analysis of the numbers and the range of age in use of these kinds of breathing apparatuses and cylinders, which belong to the units of the equipment in the Fire Rescue Service of the South Bohemia Region. Furthermore, I have made a comparison between the two basic types of air breathing apparatuses that are being used, in terms of the protection period, which have been provided to the users (carriers). The participants of this inquiry were members of the FRS of the South Bohemia Region, which include the separation of chemical and technical services into the various local departments. I have received the data from twenty different fire stations in total. In the questionnaire which was given, I collected the data from the respondents, according to their age and added the number of different types of breathing apparatus and cylinders and period or time of use to this study. The data was collected during February and March 2010. Hypothesis 1: the number of pieces of the breathing apparatus equipment in the South Bohemia Fire Rescue units is sufficient; this was confirmed. The result has been compared with the numerical data collected from the indicated positions in the current legislation set to 1.7 times of the number of the members serving in one inning. Hypothesis 2: that these breathing apparatuses meet the requirements of all of the current legislation; this has not been confirmed. The result shows a comparison of the technical parameters of the instruments and technical conditions, as reported by the Interior Ministry decree No. 255/1999 Coll. as amended, regarding the technical conditions kind of fire. The results will be used to establish the financial balance sheet and the planned purchases of the pressurized breathing apparatus equipment and the used variations of the composite cylinders.
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