The diploma thesis deals with construction design of stand for testing single-cylinder turbocharged engine. The first part describes principles and possibilities of measuring the performance parameters of internal combustion engines. It also analyzes the issue of measuring single-cylinder combustion engine. The main part of thesis is about construction design of stand, which describes the individual technical solutions of the general construction parts. The last chapter deals with numerical simulation, which uses modern software tools. This software helps with verification of function design.

This final diploma thesis deals with the issue of vibration and noise measurement of transmission devices. The research part describes the basic issues of noise and vibration generation, their measurement, as well as sources of vibrations in gear units. The practical part deals with the design proposal of the attachment of the experimental single-stage gearbox and the load dynamometer to the anechoic chamber including the drawings. Further, by checking the modal properties of the proposed test stand, using the finite element method, the analytical and numerical control of the torsional vibrations of the rotating parts with respect to the expected frequency ranges of use.

The subject of this diploma thesis is the study of a sample position influence on results of an experiment in laser spectroscopy. The aim is to design an appropriate way for standardization of signal obtained at different conditions with the respect to its applicability for stand-off analysis. In the theoretical part of the diploma thesis there are the basics of LIBS method described together with the issues of stand-off experiment and both, basic and advanced approches for the processing and correction of obtained spectra. Also the experiment is designed here, which is used for the analysis of the sample inclination and distance influence on the detected signal. The choice of appropriate ways for the signal correction follows and their applicability and efficiency is then experimentally tested.

This master’s thesis is focused on a design of test stand for servodrives loading. The theoretical part analyses state of art of load testing systems and describes main parts of workplaces. In the practical part is design of mechanical construction of workplace and electrical parts of machine. Master’s thesis also includes verification of properties of mechanical assembly and safety functionality verification.

This diploma thesis presents a design of an emergency ventilator machine used in specialized hospital departments. Aim of the thesis was to evaluate the knowledge resulting from the analysis of current products and apply this knowledge in the final solution. The new conceptual design is focused on improving the continuity of the body of the ventilator with the respect to the stand part and the unification of the aesthetic aspect of the medical device while considering ergonomic and technological parameters.

The subject of this diploma thesis is engineering design of the continuous mixer with output range 3-5 TPH. Mixer is instrumental to mixing sand mixture intended to non-permanent sand forms in foundry. Proposed construction has to fulfill the specified functional requirements and parameters. Parts of solution are also necessary analytical and FEA calculations.

In this thesis the influence of existing vegetation, the distance from the north border of the spoil heap, animal grazing, terrain bumpiness, and soil pH on the distribution and rooting of European Beech (Fagus sylvatica) at spoil heap Velká podkrušnohorská výsypka (50ř14'09 N, 12ř39'05 E) was examined. To accomplish this, beech seedlings within chosen areas overgrown by spontaneous succession or alder restoration were mapped using GPS. A rooting position on the wave-like terrain was recorded for a proportion of the total number of seedlings. Soil pH was also measured on the wave-like terrain. The majority of seedlings (183) were found at the succession sites; only one seedling was found in the alder restoration site. The GLM analysis proved significantly more seedlings in succession sites compared to alder restoration sites (p = 0.0169) and the negative dependence on distance from the north border of the heap (p < 0.0001). Within the wave-like terrain, 46% of seedlings were growing on the north slopes. In 2009, small seedlings were planted into the fresh restoration site and the adjacent succession site, in both cases inside the fencing and outside of it. The seedlings were growing significantly better in the succession site compared to the restoration site, and they were growing better inside the...

<p>  </p> <p>Environmental challenges, increasing energy costs and demand, and upcoming regulations (e.g., new equipment performance ratings, phase-down of HFCs) are a few of the main drivers behind the research on advanced HVAC&R equipment. The HVAC&R systems are one of the largest energy consumers in both commercial and residential buildings and their operation is essential to ensure thermal comfort as well as other industrial needs. Within this context, large chillers provide chilled water to condition commercial buildings and the new generation of smart chillers feature variable speed compressors that enable active capacity modulation. In turn, variable speed operation along with other factors can contribute to performance degradation. Understanding mechanisms of degradation and developing models that enable predicting the decrease in performance with respect to the rated values are still open topics in the literature. </p> <p>The overarching goal of this research is to investigate the performance degradation of a water-cooled variable-speed screw chiller under long term operation and to gain insights on the behavior of the chiller under accelerated life testing. In particular, this thesis covers the initial task of designing an experimental test setup that enables performance testing according to the AHRI 550/590 standard. Once the experimental setup was commissioned, a set of four standard-conform baseline tests was conducted to map the rated performance of the chiller at both full and part-load conditions. After completing the baseline tests, an accelerated life test cycle procedure was developed and implemented in order to conduct 24/7 automated testing on the chiller. To this end, two test modes were established to simulate a real-life use of the chiller and induce high level of thermo-mechanical stresses on the compressor. Furthermore, eight recurring baseline tests were conducted to determine the performance behavior after 1000 operating hours. Finally, a preliminary system model was set up. This thesis describes the design of the system, the commissioning and control and provides insights on the performance testing as well as long-term testing methodology and the modeling work that was done so far. </p>

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This written explication deals with the integration of the forms of stand-up comedy and domestic comedy in order to create a comic text. The comic text explores issues regarding the presentation and representation of Jewish cultural identity. The integration results in both the experienced and imagined truths of the playwright to become present on stage. These were points of enquiry in the writing, directing and performing of DRIVEN: A COMEDY IN 70 MINUTES, which opened at The Intimate Theatre, Orange Street, Cape Town on the 23 November 2004. The Introduction deals with defining key terms and forms to be used and discussed in the thesis, informing the reader of the writer's purpose in creating comic text by integrating stand-up and domestic comedy. In the first chapter the generating of comic text is explored. The generating of comic text is achieved by using the comic persona. The comic persona is developed using identity, outside voice. Once the comic persona is in place it is possible to: create an authentic stage persona for the stand-up comedian and to create a 'theatrical climate' consisting of plot, characters, themes and narrative storylines. In the second chapter the idea of pastiche (borrowed elements) is explored in terms of its impact structurally and stylistically in the writing, directing and performing of DRIVEN. Structurally this impact is evident via the use of 'pastiching' the structure of situation comedy (sitcom) and stylistically through the use of Yiddish and the influence of other comedians' performance styles on the comic persona. The third chapter delves into the way Jewish cultural identity is represented through stand-up comedy and Jewish cultural identity is presented through domestic comedy. The stand-up comedian, through persona, audience relationship and other devices associated with the form, becomes the representation of Jewish cultural identity. Characters, story and situation, through the use of both comic traits (elements associated with Jewish cultural identity) and stereotypes, become the presentation of Jewish cultural identity.