Přístupnostní navigace
E-application
Search Search Close
Branch Details
Original title in Czech: Vodní hospodářství a vodní stavbyFASTAbbreviation: VHSAcad. year: 2019/2020
Programme: Civil Engineering
Length of Study: 4 years
Accredited from: 25.7.2007Accredited until: 31.12.2020
Profile
PhD study of Water Management and Water Structures study branch is focused on complex scientific training, methodology of independent research work and development of knowledge in this area of water management theory. Basic theoretical disciplines, such as mathematics, construction and applied physics, hydromechanics, hydrology, hydropedology, soil mechanics, water chemistry, water quality in a river basin and other subjects are presented. As technical applications there are mainly hydro-technical structures, hydro-amelioration structures, waterworks, waste water treatment, municipal drainage, water management systems, reconstruction of water supply piping network, restoration of water courses and reservoirs, waste in water management. Scientific preparation is based on knowledge of theoretical disciplines of natural sciences base together with theoretical and scientific disciplines of water management orientation. Graduate of PhD study is ready to work in research and development, using creative approach for problems solving and development of new methods in current water management and their application in construction of water management structures. PhD study is closely connected with scientific, research and development activities at training workplace and with technical practice. Continuous active scientific and pedagogical activity is a good condition for eventual qualification of graduates as academic employees at Universities.
Guarantor
prof. Ing. Petr Hlavínek, CSc., MBA
Issued topics of Doctoral Study Program
The aim of this thesis is to propose methods for determining and reducing uncertainties in the context of selected methods of flood risk analysis. Emphasis will be placed on the uncertainty in the results of numerical modeling of water flow in floodplains.
Tutor: Dráb Aleš, doc. Ing., Ph.D.
The doctoral thesis will be focused on the application of the Triton system in the biological stage of the wastewater treatment plant. The aim of the work is the system design methodology for mixing activation tanks that lack design experience. Use of the Flow 3D software is anticipated.
Tutor: Hlavínek Petr, prof. Ing., CSc., MBA
The essence of the solution of the topic is the inclusion of construction recyclates, their effective washing and adjustment to such physical characteristics that will suit the filtration of wastewater. In parallel, there is a need to monitor the evolution of the effluent removal rate of the sewage water, depending on the grain composition. Comparison with natural materials both qualitatively and economically. Other related objectives = realization of the patent and its launch.
Tutor: Kriška-Dunajský Michal, doc. Ing., Ph.D.
The aim is to propose, elaborate and verify the method for the assessment of risks coming from the existence and operation of dams. Appropriate risk-based method and corresponding tools will be chosen, e.g. event trees for individual types of hydraulic structures, probabilistic assessment for the initiating events using the statistical methods, the assessment of the vulnerability of system components. New trends in design standards and existing dam categorization will be taken into account.
Tutor: Říha Jaromír, prof. Ing., CSc.
Cílem práce je vývoj nových technických i netechnických opatření při odvádění a čištění odpadních vod v urbanizovaných územích. Práce bude zaměřena jednak na problematiku odvodnění na jednotlivých nemovitostech, tak i ve veřejné části městského odvodnění. Práce bude zpracována v návaznosti na řešené projekty související s touto problematikou.
The aim of this thesis is to determine the hydrodynamic forces on inundated bridge structures. The solution involves the use of numerical modelling techniques in combination with experimental laboratory research.
The work will focus on the design of suitable technological process in building of the sewer networks, which will be solved reduction of drainage effect of the sewer in urban areas in order to meet legislative requirements and environmental requirements.
Tutor: Raclavský Jaroslav, doc. Ing., Ph.D.
The effectiveness of adaptation measures is assessed in selected river basins in different geological and pedological areas.
Tutor: Dumbrovský Miroslav, prof. Ing., CSc.
At selected locations of loess and Cambisol soils will be monitored by the formation and development of erosion rills. Measurement and evaluation of shape and volume changes of erosion rills will run after each erosion efficient heavy precipitation. The measured values will be statistically evaluated in the context of all causal factors.
Artificial flow time series are one of the extended hydrological inputs using for design of reservoir storage capacity for important water reservoirs. Climate change also give an strong assumptions about temporal redistribution of hydrological time series. The aim of this thesis will be to create a tool fo generating artificial flow time series, which will consider the time redistibution, respectively the non-stationarity of the hydrological series.
Tutor: Marton Daniel, doc. Ing., Ph.D.
Climate change gradually affects the Czech Republic. The question remains, whether this change is step or gradual change. The aim of the PhD thessis will be using analysis of non-stacionary processes identify and describe the temporal variability of hydrological processes and on this basis estimated the flow time series in the future.
The aim of the dissertation thesis will be to solve the problem of leakage of sewer networks in joints, resp. in the event of breakdowns and to apply the acquired knowledge to existing hydraulic models SWMM, event. MIKE URBAN. The PhD student will simulate various states (values) of infiltration and exfiltration in relation to the evaluation of the technical condition of the sewer network and perform a sensitivity analysis of their influence on selected hydraulic parameters of the sewer network.
The dissertation will evaluate the processes of formation, accumulation and movement of sediments in the water supply network in case studies of real water systems, depending on the quality of transported water, hydraulic regime of the water network, material of mains, network maintenance, failures and repairs and other factors. Simulation models of water networks will be used for the analysis. Generally valid conclusions will be formulated.
Tutor: Ručka Jan, Ing., Ph.D.
Natural filters and constructed wetlands are already used as a standard for their high sewage treatment efficiencies. The aim of the topic is to focus on specific pollutants (polyaromatic hydrocarbons) that may occur in industrial wastewater. The aim of this work is the realization of testing units, monitoring of efficiency, evaluation of results with a rollover into practice (for selected producer of industrial wastewater).
The flow at dam spillways is turbulent WITH high velocities and with significant aeration. The aim is to verify various turbulent models for the simulation of flow at selected types of spillways. The verification will be carried out by comparing numerical results with physical experiments and measurements at real structures during floods. The results will be a guidance on the use of numerical models for the simulation of flow at spillways, specification and estimate of uncertainties in results.
Work will deal with numerical modelling of hydrodynamic phenomenon with a goal to verify factual and numerical accuracy of flows in watermanagement structures and their comparison with physical research. Focus will lay on influence of wall conditions and free surface.
Tutor: Jandora Jan, prof. Ing., Ph.D.
The aim is to analyse the possibility of dam failure due to internal erosion. Failure modes and places of their origin will be assessed together with the criteria used for the design and safety assessment. During the solution uncertainties in input parameters will be assessed and the failure probability will be estimated via random sampling procedures. Partial aims are analysis of failure modes of water structures due to filter deformation, defining conditions of limit state and deriving partial reliability factors. Student will be co-operating with the international working group searching appropriate software.
The basis of the thesis will be a proposal of stabilization of highly unstable shores made up of easily washable and inefficient material, which significantly makes it difficult to use biological and biotechnical stabilization.
Tutor: Šlezingr Miloslav, prof. Dr. Ing.
Measurement systems composed of weirs and flumes are often installed in specific geometric and current boundary conditions. Analysis of the problems of metrological confirmation is not available. At the same time zone of setting of deadlines recalibration of measurement systems in terms of regulations defined tolerance limits is for users of measuring systems from an economic and operational view cardinal.
Tutor: Žoužela Michal, Ing., Ph.D.
Around the bridge pillars occur scour that can threaten its stability. The evolution of the scour is well known for the vertical pillars, but it is not known for the inclined pillars. For example, the arch bridges have inclined pillars. The aim of this work is to describe the development of scour that occur in cohesionless soils of defined grain size by means of a series of measurements in laboratory with lateral and longitudinal inclination of the circular and rectangular cross-section pillars and to describe the criteria for riprap design.
Tutor: Zachoval Zbyněk, doc. Ing., Ph.D.
In model catchments areas and experimental plots will be measured and evaluated nutrient and sediment transport in winter non-vegetation period. The measured values ??will be statistically evaluated in the context of all causal factors.
Sediment abrasion is caused by mutual contact between two particles. The result of the abrasion is to increase the number of particles and reduce their size. Downstream fining of sediment particles is caused by abrasion, sedimentation, entrainment, particle sorting, geometric changes of the channel and changes of discharge. The aim of the doctoral thesis is to determine the characteristics of the abrasion by means of laboratory experiments.
The aim of the work is to develop new technical and non-technical measures for infiltration, retention and use of stormwater in urbanized areas. The work will focus on the issue of rainwater management on individual properties as well as on the public part of urban drainage. The work will be elaborated in relation to the solved projects related to this issue.
The dissertation thesis will be focused on the problem of odor on the sewerage network, which arises mainly in the trasnsfer stations of the sewerage system at the end of the pressurized sewers lines. The aim of this work is to elaborate a draft methodology for odor elimination at the sewerage system, which will be used for the sewerage and WWTP operators. The work will be tested various measures to eliminate odor in selected locations. The dissertation thesis will be solved in cooperation with Vodárenská akciová společnost, a.s.
The dissertation will be focused on the problems of metals in water sources and the possibility of their removal by means of sorbents within the water treatment technological processes. The work will be an overview of already used and non-traditional sorption materials. The selected sorbents will be used to monitor the efficiency of metals removal that are toxic to humans. The aim is to recommend the suitability of sorption materials for removing toxic metals from water, both in terms of efficiency and economics.
Tutor: Biela Renata, Ing., Ph.D.
Goal of the thesis is development of technology of municipal wastewater by anaerobic process with aggregated biomass and sludge separation by means of submerged membrane module. Work will be focused on solution of problems connected with membrane clogging by operation, cleaning and process control.
Goal of the thesis is use of microalgae for purification of wastewater with high content of nutrients. Dissertation will be carried on research projects in cooperation with research center AdMaS and company Photon Systems Instruments. In the frame of research problems of process dimensioning and nutrients harvesting from algae will be solved. Results will be verified on real wastewaters.
Aleotry uncertainties and epistemic uncertainties play an important role in proces of creating prediction, system design, and system management processes. The aim of this work will be to perform a complex water management analysis of reservoir in conditions aleatoric and epistemic uncertainties. Using Bayesian approach to define uncertainty and describe links and effects on a water management analysis of reservoir capacity.
To assess the reservoir yield performance the definition of reliability is used in the Czech Republic. Worldwide the new concepts of assessing the reservoir yield performance, such as risk, resiliance, vulnerability, have been defined over the past decade. The aim of this thesis will be to carry out an extensive state of art and application of these knowledge on a selected water reservoir. On the basis of obtained information also derive a new kind reservoir yield performance metric.
One possible solution to increase the discharge of existing weirs is to decrease part of their crest. This creates a compound weir with two section of different crest levels. The discharge of one section is influenced by the second. The determination of the total discharge as a sum of section discharges is not accurate. The aim of the work is to describe the range of the interaction and determine the recommendations for the discharge calculation using a series of measurements with variable widths and crest levels.
The aim is to analyse the possibility of dam failure due to internal erosion. Failure modes and places of their origin will be assessed with the criteria used for the design and safety assessment. Uncertainties in input parameters will be assessed and the failure probability will be estimated via random sampling procedures. Partial aims are analysis of failure modes of water structures due to filter deformation, defining conditions of limit state and deriving partial reliability factors.
The solution will be carried out by experiment with the support of numerical modelling for the outflow jet in free and restricted conditions. For dissipation increase of the outflow jet energy, the shaped rectifier element will optionally be supplemented on the inner wrapped surface by suitable baffled elements. The energy dissipating of the outflow jet into the free and submerged area of the lower reservoir will be checked, the capacity restriction of the dissipating hood will be confirmed.
Tutor: Šulc Jan, prof. Ing., CSc.
Get experiences in branch of plane and point laser anemometry for realization experiments at flow range. Enlargement range of given methods. Auton. realization measur., evaluation of velocity fields and their comparison with numerical model results.
Tutor: Zubík Pavel, Ing., Ph.D.
At selected locations of loess and Cambisol soils will be monitored the sediment and nutrient transport within the catchment areas of critical points. The measured values will be statistically evaluated in the context of all causal factors.
The aim is assessing the stability of banks, prepared by forecasting methods for determining retreat bank line, design and assessment of the effectiveness of biotechnical stabilization of the banks to significantly poor substrate.
The dissertation will be focused on the problems of metals in water sources and the possibility of their removal. The work will be an overview of already used and non-traditional sorption materials. The selected sorbents will be used to monitor the efficiency of metals removal that are toxic to humans. The aim is to recommend the suitability of sorption materials for removing toxic metals from water, both in terms of efficiency and economics.
In vacuum roof drainage systems, higher flow velocities and higher hydraulic capacity of the system are achieved compared to gravity systems. Vacuum roof conduit pipes are designed in smaller dimensions. The subject of the dissertation thesis will be to find procedures for optimal design of flat roof drainage systems. The solution of the work will use methods of mathematical and physical modelling with simultaneous measurement of hydraulic parameters in vacuum roof drainage systems.