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Measurement and evaluation of flows in sewer networks
Haška, Aleš ; Prax,, Petr (referee) ; Raclavský, Jaroslav (advisor)
Measuring flow rate, water surface and rainfall are the crucial inputs for the calibration of the hydraulic model. This bachelor’s thesis presents mathematical models and measuring devices for the sewer networks. This thesis summarises the measuring devices that are currently available and used on the sewer network. Furthermore, theory of random and systematic errors is discussed. In the second section, this theory is implemented in the chosen area for the sewer network in Znojmo. On the 9. 9. 2020, three ultrasonic measuring devices (type ISCO 2150 with AV sensor) and one device for measuring water surface (type IJINUS) were installed in this area. This thesis provides continuous measurements which are then applied for the calibration of the hydraulic model. On completion of this thesis it is necessary to continue to calibrate and verify the model in order to increase accuracy and be more precise.
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Rainwater management in urban areas
Haška, Aleš ; Malaník, Stanislav (referee) ; Raclavský, Jaroslav (advisor)
The thesis focuses on the issue of stormwater management in urban areas with a focus on vegetated roofs . In this paper, testing of vegetated roof compositions at the DERIC experimental centre is published. The compositions are tested here to refine the existing knowledge on the behaviour of vegetated roofs in real environments. The existing knowledge of vegetated roof compositions is presented. The paper also explains how to input these specific vegetated roof compositions into the LID (Low Impact Development) module, which is part of the SWMM (Storm water management model) program. For each roof, parameters were compiled during which the simulated composition showed the greatest agreement with the measured data. After a satisfactory match, two compositions were selected and implemented in a specific area. For the specific area, there is already a rainfall-runoff model built from a previous research project, but new sub-catchments needed to be generated for this model and this was achieved using the PYTHON programming language. Subsequently, analyses of runoff reduction from the area of interest were performed.
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Measurement and evaluation of flows in sewer networks
Haška, Aleš ; Prax,, Petr (referee) ; Raclavský, Jaroslav (advisor)
Measuring flow rate, water surface and rainfall are the crucial inputs for the calibration of the hydraulic model. This bachelor’s thesis presents mathematical models and measuring devices for the sewer networks. This thesis summarises the measuring devices that are currently available and used on the sewer network. Furthermore, theory of random and systematic errors is discussed. In the second section, this theory is implemented in the chosen area for the sewer network in Znojmo. On the 9. 9. 2020, three ultrasonic measuring devices (type ISCO 2150 with AV sensor) and one device for measuring water surface (type IJINUS) were installed in this area. This thesis provides continuous measurements which are then applied for the calibration of the hydraulic model. On completion of this thesis it is necessary to continue to calibrate and verify the model in order to increase accuracy and be more precise.
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