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The determination of minimal countercurrent distance of the water surface sensor from the thin-plate V-notch weir.
Kopečná, Monika ; Zubík, Pavel (referee) ; Žoužela, Michal (advisor)
This thesis clarifies the issue of the measuring flows with the help of capacity measurement systems using Q/h characteristics and also describes measuring techniques for determining the water surface level. The various types of measuring weirs and their Q/h characteristics are described in detail. It also mentions the position of the installation of the sensor. The main task is to find a practical minimal countercurrent distance of the water surface sensors used in practice for use with a V-notch weir in the form of experimental measurements in the water management research laboratory at the Department of Water Structures Faculty of Civil Engineering in Brno. The weirs used for this experiment had top angle cutouts of 90°, 53°8´ and 28°4´. The obtained data is evaluated and subsequently the minimal countercurrent distance of the water surface sensor is determined. The thesis also includes recommendations for further research.
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Determination of Q / H characteristic of atypical measuring flume
Boháč, Daniel ; Zubík, Pavel (referee) ; Žoužela, Michal (advisor)
This bachelor’s thesis deals with streamflow measurement with focus on measuring systems using the Q/H characteristic. The thesis includes the description of the commonly used measuring weirs and flumes. The main task of this thesis is a specific project of atypical measuring flume. This flume will become a part of a rigid weir and will measure the minimum residual flow rates. In the Laboratory of Water Management Research of the Institute of Water Structures of the Faculty of Civil Engineering of the Brno University of Technology, the author has done extensive model research. In this research, various variants of the shapes and dimensions of the atypical measuring flume were analysed. The thesis also includes data processing of the said research and evaluation. The result of this work is the choice of the optimal variant of shapes and dimensions of atypical measuring flume and to determine its Q/H characteristic.
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Construction design of instructional models at the hydraulic laboratory circuit
Havlát, Michal ; Kříž,, Lubomír (referee) ; Žoužela, Michal (advisor)
The Higher vocational school and The Secondary School of civil engineering in Vysoké Mýto is going to build a hydraulic laboratory circuit which will be used especially for teaching students of hydraulics and hydrology. Laboratory will include several scaled down models which simulate especially hydraulic tasks with open-channel flow or flow in pipes. It specifically means simulation of spillway, flow-measuring flumes, culvert flow and mechanic energy loss simulation per length of pipe and at singularity flow. This thesis is focused on hydraulics of the simulated tasks, project documentation and hydraulic calculations preparing for all designed models. The documentation also includes laboratory equipment - instrument carrier and service stairs. This thesis includes theoretical text part, technical report, hydraulic calculations and drawing part.
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Determination of Q / H characteristic of atypical measuring flume
Boháč, Daniel ; Zubík, Pavel (referee) ; Žoužela, Michal (advisor)
This bachelor’s thesis deals with streamflow measurement with focus on measuring systems using the Q/H characteristic. The thesis includes the description of the commonly used measuring weirs and flumes. The main task of this thesis is a specific project of atypical measuring flume. This flume will become a part of a rigid weir and will measure the minimum residual flow rates. In the Laboratory of Water Management Research of the Institute of Water Structures of the Faculty of Civil Engineering of the Brno University of Technology, the author has done extensive model research. In this research, various variants of the shapes and dimensions of the atypical measuring flume were analysed. The thesis also includes data processing of the said research and evaluation. The result of this work is the choice of the optimal variant of shapes and dimensions of atypical measuring flume and to determine its Q/H characteristic.
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Construction design of instructional hydraulic laboratory circuit
Havlát, Michal ; Kříž,, Lubomír (referee) ; Žoužela, Michal (advisor)
It is suitable to add practical illustrations of hydraulic tasks during teaching hydraulics and hydrology. These practical illustrations can be realized by mobile hydraulic circuit which is situated in the auditorium. This thesis is focused on constructional and project solution of the circuit which consists of a compensatory tank with sufficient capacity, pump aggregate and hydraulic measure flume. The construction of hydraulic flume must enable quick, simple and safety installation of a scaled down models of a hydro technical structures. The main requirements of a mobile teaching circuit are clearness of practical hydraulic illustrations, compact dimensions, comparatively low weight, mobility and simple control and manipulation. This diploma thesis also includes design of a scaled down models of a hydro technical structures, especially set of plate weirs, bed-crested weir, ogee-crested weir, culvert, Venturi flume, sluice and radial gate, pier and roughened bed. The hydraulic circuit drawing part also includes instrument carrier with level gauge. This diploma thesis includes theoretical text part, technical report of designed objects, hydraulic calculations and drawing part.
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