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Risk analysis of siphon pipes
Outratová, Markéta ; Svoboda, Miroslav (referee) ; Ručka, Jan (advisor)
The master’s thesis discusses siphon pipes that are used to collect groundwater. The goal of work is to define the most frequent undesired events that may appear on siphon pipes, and verifying the individual springs. The work is addressed in accordance with the metodology of risk analysis WaterRisk. The content of the work is a summary of the hydraulic of siphon pipes and their use in practice, hazard identification, defining the most frequent undesired events and consequences on siphon pipes, and their verification in the spring in a particular case study.
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Technical Audit of Water Distribution Network
Haman, Michal ; Ručka, Jan (referee) ; Tuhovčák, Ladislav (advisor)
This diploma thesis deals with the topic the assessment of the technical condition of water supply networks. Part of the work is a case study that evaluates the technical condition of the water supply network in the city district Brno-Lisen. The work describes in detail how the pressure zones and selected water mains evaluated. The output is an Excel application, which can be set according to technical indicators carry out an evaluation of the technical condition of the individual pressure zones.
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Fittings catalogue for low pressure sewer networks
Hlavínek, Jakub ; Kocůr, Pavel (referee) ; Ručka, Jan (advisor)
Thesis describes the actual state of low pressure sewer systems designing, basic characteristics of low pressure sewer systems and design basics in Czech republic and abroad in accordance with czech and european standards. Next part contains description of fittings used in low pressure sewer and emphasizes its key role in design, service and maintenance of the system. Based on gathered informations the fittings calatogue for low pressure sewer networks was created. Followed subjects were closing fittings, backflow valves, cleaning sets and bleeding- and aerating vents. The last part of the bachelor thesis is a test of softsealing backflow valve for the purpose of tightness definition.
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Chlorine decay in the water supply network
Kolková, Hana ; Hrich, Karel (referee) ; Ručka, Jan (advisor)
The diploma thesis deals with the rate of free chlorine dacay in the water supply systems. In the general part of the work are mentioned the forms of chlorine that can be encountered in its use for disinfection of drinking water. Another chapter is the modeling of chlorine decomposition in water during pipeline distribution. This chapter deals with the kinetic reactions of chlorine and their orders, and subsequently with factors influencing the rate of chlorine loss. Closer deals with pipe wall chlorine decay and the bulk water flow chlorine decay. The second part of the diploma thesis is focused on determining the constant kb, which is the rate coefficient of loss of chlorine in the pipeline caused by the flow of water. The work contains several researches of various world studies that deal with this issue. The following is a step-by-step guide to performing this test. The last part deals with the case studies at the waterworks in Kateřinice and Brno. On these tapes the chlorine concentration was measured over time and a constant kb was determined based on these results, expressing the rate of free chlorine decay in bulk water flow.
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Assessment of technical condition of the Hradek water supply network
Tranová, Kateřina ; Tauš, Miloslav (referee) ; Ručka, Jan (advisor)
This bachelor´s thesis aims to assesment of technical condition of the water supply network and hydrants in Hrádek. The semi-quantitave evaluation method called the Failure Modes and Effects Analysis (FMEA) was used for assessing and evaluation of the technical condition. The outcome of this work is a number of tables and maps of water pipes with the evaluation of the technical condition of the water network and hydrants. A part of the appendix are also drawing, there was assesment of technical condition of the water supply represented and there was a assesment of technical condition of the underground hydrants represented.
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Calibration of hydraulic model of water supply network
Náplavová, Eva ; Tureček,, Jan (referee) ; Ručka, Jan (advisor)
This diploma thesis deals with calibration of hydraulic simulation models, especially with methods used for calibration and parameters that are modified during calibration. The literature review in the field of mathematical modeling, basic principles applied in hydraulic modeling and the current approach to calibration and data collection is done in theoretical part. In the practical part of the thesis, a hydraulic model of the group water supply system Horní Dunajovice is built and subsequently calibrated. The calibration is first performed manually for the normal operational status and then using a calibration software created for this purpose for a load case with high velocity.
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Analysis of water age in the water supply network of a selected area
Pellarová, Tereza ; Rajnochová, Markéta (referee) ; Ručka, Jan (advisor)
The bachelor thesis deals with the issue of water age in drinking water distribution system. The theoretical part discusses the factors influencing the age of water and the quality of delivered water, and also the way in which the age influences the quality of water. Furthermore, the methods of age determination are mentioned, as well as indicators of high age. The consumption of mains water and water prices in Europe are also discussed. The practical part of the thesis focuses on the analysis of the age of water in the water supply system. The data needed for the analysis was obtained by means of the EPANET 2.2 tool, in which simulations were performed for periods with different water consumption, including the annual average, summer (July, August) and winter (January, February). After the simulation, the data were entered into MS Excel and then statistically processed and evaluated. The aim of the practical part was to find the correlations of the factors acting in the network. The age/velocity and age/flow rate were examined in the water main sections. The relations between age/consumption from the nodes and age/pressure were examined in the nodes of the network. All data were monitored within the constant age intervals occurring in the municipality´s shared water supply system.
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Analysis of Water Consumpion in Faculty of Civil Enginering Campus
Nedoma, Tomáš ; Ručka, Jan (referee) ; Tuhovčák, Ladislav (advisor)
Bachelor thesis will conduct an analysis of water consumption on the premise of the Faculty of Civil Engineering. There will be a condition surfy of all billing and secondary water meters in the area of faculty evaluation of design options and automatic data collection on these meters. As a further assessment will be made of the current fading status data from water meter installed in the premise sof the Faculty. Own water meter fading using appropriate datalogger including datermination of the average specific consumption per employee, student or other special purpose units. The last point of the thesis will investigace the possibilities for remote measurements with continuous monitoring and data transmission to the internet.
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Design of the Krahulov sewer network
Fučík, David ; Balas, Jan (referee) ; Ručka, Jan (advisor)
This bachelor thesis deals with the design of a technical solution for drainage of the village Krahulov with a combined sewerage network. The first part describes the area of interest. In the next part of the thesis it deals with the design of suitable sewer network routes with respect to the existing engineering networks. The hydrotechnical calculations, the hydrotechnical situation of the dewatered area and the detailed longitudinal profile of the main drains are elaborated. The resulting proposal can serve to a general proposal or as a preliminary draft for the preparation of a real project.
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