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Measurement of indoor environment by means of thermal manikin
Ševeček, Jan ; Pokorný, Jan (referee) ; Fišer, Jan (advisor)
This dissertation deals with the measurement of the internal environment through thermal manikin Newton, especially in terms of thermal comfort. Measurements were performed in a typical office environment and cabins of small transport aircraft. The course of events and the time constants for the measurement in the office was given by real flow in the office when the sequences of events were unfolded from the usual transactions carried out during the day. In contrast, the second measurement, which took place in the model of small transport aircraft, the course of events and time constants, was performed exactly according to predetermined plan. The other parts of the thesis describe how to calibrate the manikin and then generate a diagram comfort zones. Following are compared individual test cases and events using the diagram comfort zones. Finally, individual test cases and events are compared using the diagram comfort zones and medics according to ISO 14505-2.
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Tool for robotic arm
Provazník, Tomáš ; Pokorný, Jan (referee) ; Kašpárek, Jaroslav (advisor)
The diploma thesis deals with the design of a fixture for a robotic arm used for manipulating noise and heat insulators employed in the automotive industry. The main objective is the design and the selection of components to meet the requirements imposed on the product. Further, design and control calculations of the components with operational information are reviewed. In the last chapter the thickness, the draft and the radius analysis of the molding with a description of the measurement is stated. Finally, the mechanical properties of the fixture frame were checked by the finite element method.
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Adjustment of quick clamping equipment for application on screener crusher bucket
Hrňa, Lukáš ; Pokorný, Jan (referee) ; Pokorný, Přemysl (advisor)
This thesis deals with the adjustment of quit camping equipment for application on screener crusher bucket Allu SC 3-20 in order to streamline both digging into the bucket, and the actual screening. Using simulation methods in the Adams programme, forces are detected for the digging with the original suspension. Imperfections are revealed for the current full suspension and suggestions made for the new proposedsuspension. The new shape quick release mechanism is designed in CATIA modeler and the I-Deas programme provides final strength control of parts for the proposed mechanism. Finally, both variants are coMPared in terms of digging, sifting the material complexity of the design and the necessary restrictive criteria.
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The changeable strut devices for cranes in hall
Dvořáček, Jan ; Pokorný, Jan (referee) ; Kašpárek, Jaroslav (advisor)
This thesis was created for Bosch Rexroth in order to simplify the lifting work in the manufacturing hall. There was made the construction project of changeable strut devices for lifting loads. The project is comprised of two parts. The first deals with the analytical calculation and the second part consists of a numerical calculation using the finite element method.
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Simulation of indoor environment in a small transport aircraft cabin
Knapčík, Lukáš ; Pokorný, Jan (referee) ; Fišer, Jan (advisor)
The diploma thesis is focused on ventilation and simulation of heating in small transport aircraft EV-55 cabin. First part explains an impact of thermal environment on human health and describes restrictions and recommendations forced on inner aircraft environment. In the first part are also clarified conditions of comfortable environment and thermal comfort evaluation for passengers via PMV and PPD index. The second part contains results from simulation of aircraft cabin environment. Inlet ventilation airflow and cabin heating is simulated via simulation mean Theseus-FE 3.0. The simulation results are evaluated for thermal comfort degree and optimal cabin insulation with optimal temperature and volume flow rate of inlet air is specified.
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Simulation of indoor environment in a car cabin
Tuka, Ján ; Pokorný, Jan (referee) ; Fišer, Jan (advisor)
The thesis deals with the evaluation of indoor environment cab passenger car, with a focus on thermal comfort of passengers. The theoretical part contains the fundamentals of heat transfer, analysis of the aspects affecting human thermal comfort and its assessment methods. A brief description of the ventilation and air conditioning systems used in passenger cars is mentioned. The practical part includes numerical simulations of indoor environment, in selected driving modes and at different climatic conditions. Results of simulations lead to evaluation the status of the internal environment in terms of thermal comfort.
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Numerical simulation of incompressible fluid flow by the spectral element method
Pokorný, Jan ; Hlavička, Rudolf (referee) ; Čermák, Libor (advisor)
Tato diplomová práce prezentuje metodu spektrálních prvků. Tato metoda je použita k řešení stacionárního 2-D laminárního proudění Newtonovské nestlačitelné tekutiny. Proudění je popsáno stacionarní Navier-Stokesovou rovnicí. Dohromady s okrajovou pod- mínkou tvoří Navier-Stokesův problém. Na slabou formulaci této úlohy je aplikována metoda spektrálních prvků. Touto discretizací se získá soustava nelineárních rovnic. K obrdžení lineární soustavy je použita Newtonova iterační metoda. Podorobný algorit- mus tvoří jádro Navier-Stokeseva solveru, který je naprogramován v Matlabu. Na závěr jsou pomocí tohoto solveru řešeny dva příklady: proudění v kavitě a obtékání válce. Přík- lady jsou řešeny pro různé Reynoldsovy čísla. První od 1 do 1000 a druhý od 1 do 100.
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The Marketing Mix Proposal
Miholová, Pavla ; Pokorný, Jan (referee) ; Novák, Petr (advisor)
The thesis focuses on the definition of the marketing mix in the selected companies. Describes how should look the marketing mix and a satisfied customer. The work contains proposals to improving customer satisfaction, which could contribute to the development and success of the company.
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Database of typical clothing for cabin of cars
Toma, Róbert ; Pokorný, Jan (referee) ; Fišer, Jan (advisor)
In this bachelor thesis, there are processed databases of typical clothing for cabin of cars. Data are based on information from survey for both women and men for three seasons – summer, transitional season and winter. There are mentioned factors which affect thermal comfort and thermoregulation of human body. The thesis includes options how to measure thermal comfort and how we can evaluate results on different scales. Next, I process the way how we measure thermal resistance of each databases of clothing. Measurements are placed in climate chamber in VUT Brno and we are using manikin Newton made by Measurement technology Northwest. In the end, we mention some results and comparison of both genders.
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