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Residual life assessment of hydrogen adsorption vessel subjected to cyclic loading
Brančan, Peter ; Vincour, Dušan (referee) ; Létal, Tomáš (advisor)
There was a need to asses the residual life of a cyclically pressurized adsorber of PSA unit used for the separation of hydrogen gas from a feedstock mixture, of which designed lifetime according to outdated standart ČSN 69 0010-4.20 was exceeded. The maximum design life was determined according to more recent design codes by the methodology of fatigue curves and comparison of results of outdated standard and 3 newer standards: EN 13445-3 - clause 17 and clause 18, and ASME BPVC Section VIII Div.2 - Level 2 was made. Due to the exceeding of the design life results by all of the standards the alternative approach of Fitness for service method based on linear elastic fracture mechanics of crack growth with the assumption of the occurrence of non-detectable defect size was used. The crack growth parameters were adjusted according to the study of crack propagation in hydrogen environment and implemented into the calculation of API-579-1/ASME FFS-1 Fitness for Service standard. The results showed, that pressure vessel can be further operated if regular NDT inspections are made. Inspection intervals of critical positions were determined from these results with compliance to safety and, at the same time, the scope of inspections has been modified to reduce expenses of carrying them out.
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Experimental testing of bus peripherals on single-board computer Beagleboard.
Hladík, René ; Zuth, Daniel (referee) ; Věchet, Stanislav (advisor)
This bachelor’s thesis obtains a kind and possibility of communication, which single board computer offers. Check range of communications using mobile robotics and summary for this system. The result of this work provides a configuration all peripherals for Beagleboard system using. The introductory part of work is focuses on the definition and summary single board computer systems. Description main differences single board systems. Next point is competition and summary single board computers from the world's leading manufacturers and hardware differences. The next part is making complete description and summary of using single board computer Beagleboard xm Rev C. Practical realization obtains the most important interface of communication, which we can use in case of prototypes mobile systems. Realization of USB camera, multifunctional interface GPIO, serial communication of CMUcam3 camera module and in conclusion I2C communication using GPIO SRF08 ultrasonic sensor. Demonstration of Beagleboard system diversity, what can use all users of embedding systems in mobile robotics. Modern mobile robotics systems are complex analog and digital devices like different kind of sensors, sensing elements, cams and else. Bachelor work describe basic configuration some possibility communication with using cameras, sensors and systems elements.
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Design and evaluation of process equipment damaged by degradation mechanisms
Cablková, Zuzana ; Naď, Martin (referee) ; Lošák, Pavel (advisor)
This bachelor thesis is aimed at the evaluation of selected degradation mechanisms which occurs in process equipment. The assessment is undoubtedly important in terms of safety and prediction of residual life. This issue is demonstrated by two mechanisms described in this thesis. A phenomenon called creep is the first of these mechanisms and appears in environments with elevated temperature. The theoretical part of the thesis covers the basic principles of the creep mechanism and its effect on the material. A marginal but not negligible problem is the occurrence of this damage in welded joints. Many standards deal with the prediction and assessment of creep. Part of this thesis is the mapping and to some extent a comparison of several selected procedures. The second degradation mechanism is related to the presence of aggressive compounds such as sulfide. This can lead to hydrogen embrittlement, blisters, and many other damages. As with creep, an overview of standards devoted to the design, evaluation, or maintenance of equipment used in this way is created for these mechanisms. The content of the practical part of this thesis is the calculation of the evaluation of such a device by using the procedures of the API 579-1 standard.
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Ekonomické zhodnocení intenzivního výkrmu býků masných plemen skotu
Kosová, Michaela
The diploma thesis deals with the fattening of slaughter bulls of the Aberdeen Angus, Charolais and Limousin breeds from the weight category to slaughter weight. The main goal of this work was to economically evaluate the effectiveness of intensive fattening of beef bulls. A total of 366 animals were monitored in two feedlots. In the practical part, the animals were weighed in different stages of fattening, at the age of 8 and 14 months, and on the basis of these data, an analysis of the influence of the breed was carried out and subsequently the economy of fattening was evaluated. Growth was assessed by average gains for individual breeds and farms. The results show that the breed has a significant effect on the intensity of growth. The results were statistically significantly highest in the Aberdeen Angus breed in the pre-weaning period (1.12 kg/day), but after moving to a barn with intensive fattening, the highest growth intensity was achieved in the Charolais breed (1.61 kg/day). Weight increased linearly with age in all bulls, the highest differences were observed in the Aberdeen Angus and Limousin breeds. After the 1st and 2nd weigh-ins, representatives of the Aberdeen Angus breed (330.02 kg, respectively 579.57 kg) achieved the highest weights, while representatives of the limousine reached the lowest (302.24 kg, respectively 555.27 kg). The absolute highest average daily gains were achieved by bulls of the Charolais breed, in 160 days of intensive fattening, the absolute gain was 255.3 kg. Despite the lowest age, the bulls had the highest weight at the end of fattening, thanks to the high intensity of growth. The highest calculated profit was achieved on Farm A with the Charolais breed (CZK 8,838.37) and on Farm B with the limousine breed (CZK 2,645.6). The costs per feeding day ranged from 89 to 91 CZK.
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Overview documentation of notches produced by laser burning technology into pipe bodies within the project TK01030108 (NEMENUS)
Štefan, Jan
This technical report has been prepared within the project DP_04_02_04: Research of applicability of modern SHM (Structural Health Monitoring) systems for increasing reliability and economic efficiency of nuclear power plant operation (existing, new and small modular reactors). The purpose of this report is to provide an overview documentation of the experience with laser technology, which has been successfully applied in the previous TAČR project TK01030108 (NEMENUS project, 2020 and 2022) for the production of notches into pipe test specimens, and which is expected to be advantageously used also in the experimental program of the current project. The information gathered in this document will help in the specification of the assignment to the provider of this service (ATG, s.r.o.), and in the optimization of the laser parameters for the purpose.
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Social work with people with neurodegenerative diseases
KUČEROVÁ, Žaneta
The bachelor thesis is focused on people with neurodegenerative diseases, specifically on people with spinal muscular atrophy. The aim of this thesis is to explore the impact that social work has on the lives of people with SMA. Social work intervenes in the lives of people with this disability from an early age, through Early Care and Continuing Institutions that focus on this group of people. Other social services that intervene in the lives of people with SMA include: respite services, care services, personal assistance services, social activation services for families with children, social therapy workshops, social counselling etc. The theoretical part initially focuses on neurodegenerative diseases. It defines the different types that fall there. It is important to mention that not all of them are listed and I follow with a chapter of neuromuscular diseases focusing on muscular dystrophies, where the individual diseases are described and the disease of spinal muscular atrophy is more specified and the subchapters break down the different types. In the next section I try to build on social work in general and get down to the services used by people with disabilities and get down to the state social support system and what benefits they can draw on (care allowance, mobility allowance, special assistance allowance, TP card, ZTP, ZTP/P and ZTP parking card). Towards the end of the theoretical part, I described the benefits of health insurance for people with disabilities, foundations and public collections, which make a significant financial contribution to these people. The research part was conducted based on a qualitative research strategy. The data that emerged from the interviews were categorized as follows. A semi-structured interview technique was used to collect the data, which consisted of 14 open-ended questions. A total of 6 individuals who have spinal muscular atrophy and were willing to participate. The interviews were conducted at a psycho-rehabilitation camp in Pluhův Žďár, which is sponsored by the patient organization SMÁci z.s.
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Problematika výkrmu masného skotu kříženců plemene Charolais a kříženců plemene Limousine
KOSTOHRYZ, Jakub
The aim of this bachelor's thesis was to determine the meat yield of fattening bulls in the same breeding conditions and to analyze the reaction of each breed separately to the same level of nutrition. A total of 43 bulls were selected for evaluation, which passed through the farm in Něchov near Trhové Sviny within two years. Groups of bulls were compared according to the year of slaughter, breed and blood share of the breed. Age at slaughter was ascertained and live weight, carcase, daily gain, net gain and SEUROP classification, conformation and fat cover classes were compared ac-cording to different breeds in the same diet. Data processing was performed using the Microsoft Exel program. The average slaughter weight of Charolais hybrids was 733.98 kg at an average slaughter age of 697 days. It was identical with hybrids of the limousine-Ne breed, which reached an average slaughter weight of 741.65 kg. A larger birth was not found in the average carcass weight, which reached 403 kg in the Charolais breed and 407 kg in the Limousine breed. There was always at least one weaker bull in both groups, as well as a bull that exceeded the average of the others. The weak piece in the Charolais breed included a bull with an average daily gain of 683.59 g / day (av-erage 994.82 g / day) and in the limousine breed 749.6 g / day (average 1005.03 g / day). The strong bull had a net gain of 680.58 g / day (average 579.82 g / day) in the Charolais breed and 720 g / day in the limousine (average 585.25 g / day). The classi-fication of carcasses in the SEUROP system was analyzed according to the propor-tion of blood of individual breeds. Charolais crossbreeds with a charolais> 50% share were 100 % included in the AU2 group, on the contrary, with a charolais 50 % blood content in the AU2 group only in 31 % and the rest belonged to the AR2, AO2 groups and one bull was in the BO2 group, for -they was older than two years. The results did not show a statistically large difference between the individual breeds. The difference between the years was also not statistically significant, which indicates the stability of breeding and nutrition conditions. The only difference was between the groups of the breed with different proportions of blood. Individuals with a charolais> 50 % share achieved a better classification in SEUROP than those with a Charolais blood share lower than charolais 50 %. In the limousine breed, the difference in blood ratio was not so drastic, but bulls with a blood ratio of limousine> 50 % reached 17 % of the AE2 group.
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The city slang of the Brno city
KADRNOŽKOVÁ, Jana
The subject of this Bachelor thesis is the analysis of the city slang of the Brno city, called hantec. The work is divided into two parts, namely that are theoretical and practical. The first part points out theoretical thesis about slang and its problems. In the practical part collected "material" is analysed. Part of the work will be collected dictionary lexical resources with the interpretation of their meaning. The aim is to capture the current state of the city slang of the Brno city called Hantec, and to create a contemporary dictionary of a selected city tongue.
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