| Course Unit Code | 224-0248/01 |
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| Number of ECTS Credits Allocated | 5 ECTS credits |
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| Type of Course Unit * | Compulsory |
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| Level of Course Unit * | Second Cycle |
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| Year of Study * | First Year |
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| Semester when the Course Unit is delivered | Winter Semester |
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| Mode of Delivery | Face-to-face |
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| Language of Instruction | Czech |
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| Prerequisites and Co-Requisites | There are no prerequisites or co-requisites for this course unit |
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| Name of Lecturer(s) | Personal ID | Name |
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| RAP35 | prof. Ing. Naďa Rapantová, CSc. |
| Summary |
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Subject Geohydrodynamics gives a basic overview of patterns of groundwater flow in the rock environment in both saturated and unsaturated zones. In addition to the problems of porous media flow, attention is paid to hard rock – fracture flow (Cubic Law). Students are acquainted with the hydraulic parameters of aquifer and the methods of their determination in the laboratory and with hydrodynamic field tests. Students are encouraged to practice using analytical calculation equations - calculation of fluxes through the dam, hydraulic systems for dewatering construction pits, etc.
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| Learning Outcomes of the Course Unit |
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| The aim is to cover a wide range of topics (see annotation) so we approached the students with basic terminology, principles and methods in the given subject and their practical application. |
| Course Contents |
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Lectures:
Physical properties of fluids (density, specific gravity, compressibility, thermal expansion, viscosity, surface and contact tension, gas solubility - basic relationships and units).
2. Physical properties of aquifer (permeability, transmisivity, porosity, volumetric elasticity of aquifer, storativity, hydraulic conductivity - basic relations and units).
3. Systematics of the types of filtration fluxes - basic characteristics and overview of basic flow equations.
4. Law of continuity of flow - general continuity equation (steady and transient filtration of compressible and incompressible fluids).
5. Darcy's Linear Law (Problems of filtration rates, tortuosity). Nonlinear laws of filtration. Turbulent flow.
6. Basic equations of gravitational fluxes of incompressible fluids (Boussinesq equation) – unconfined conditions.
7. Basic equations of fluid filtration under confined conditions (incompressible, compressible under low and high-pressure).
8. Basic analytical equations for flows under steady flow conditions in confined and unconfined systems (Dupuit equations).
9. Depression cone (shape and characteristics). Basic computational relationships. Transient behavior of groundwater drawdown. Interference of wells (depression cones).
10. Basic analytical equations for flows under transient flow conditions in confined and unconfined systems (Theiss equations).
11. Methods of hydrodynamic testing – pumping tests, recovery tests, slug tests.
12. Hydrodynamic testing under steady state flow conditions (confined and unconfined aquifer). Dupuit method.
13. Hydrodynamic testing under transient flow conditions (confined and unconfined aquifer). Theiss type type curves, Jacob's method.
14. Hydraulic boundary conditions, their significance and manifestations in hydrodynamic tests.
Exercise: (or project)
1 / -2 / Calculations of fluid pressures (real gas corrections, compressibility, thermal expansion and fluid mineralization).
3 / Construction of groundwater contour maps – for system with stream drainage.
4 / Laboratory determination of soil permeability - Permeameter - Laboratory measurement.
5 / Calculations of basic hydraulic parameters of aquifers from empirical formulas.
6 / Ground water flow calculations for paralel flow in confined and unconfined conditions – steady state flow (Dupuit equations).
7) Calculation of the depression cone for radial flow flow in confined and unconfined conditions steady state flow (Dupuit equations).
8 / Calculation of groundwater drawdown in the network of points for a well system (interference of wells).
9 / Analytical evaluation of hydrodynamic tests under steady flow conditions.
10 / - 11 / Analytical evaluation of hydrodynamic tests under under transient flow conditions. Theiss and Jacob methods. Implementation of boundary conditions.
12-14 / Hydrodynamic testing project.
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| Recommended or Required Reading |
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| Required Reading: |
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| Powers, J. Patrick Corwin, Arthur B. Schmall, Paul C. Kaeck, Walter E. (2007). Construction Dewatering and Groundwater Control - New Methods and Applications (3rd Edition). John Wiley & Sons. Online version available at: https://app.knovel.com/hotlink/toc/id:kpCDGCNMA1/construction-dewatering/construction-dewatering |
Powers, J. Patrick Corwin, Arthur B. Schmall, Paul C. Kaeck, Walter E. Construction Dewatering and Groundwater Control - New Methods and Applications (3rd Edition). John Wiley & Sons. 2007. Online version available at: https://app.knovel.com/hotlink/toc/id:kpCDGCNMA1/construction-dewatering/construction-dewatering
Mls J. : Hydraulika podzemní vody. Skripta ČVUT Praha. ES ČVUT Praha, 1988. Bujok P., Grmela A.: Hydrodynamické zkoušky a výzkum sond. Skripta VŠB, HGF. 1992.
Mucha I., Šestakov V.M. : Hydraulika podzemných vód. ALFA/SNTL Praha, 1987.
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| Recommended Reading: |
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Joseph S. Rosenshein, Gordon D. Bennett (eds). Groundwater Hydraulics. Wiley Online Library. Print ISBN: 9780875903101. DOI: .10.1029/WM009. Published online 2013
Harr, Milton E.. (1990). Groundwater and Seepage. Dover Publications. Online version available at: https://app.knovel.com/hotlink/toc/id:kpGS000002/groundwater-seepage/groundwater-seepage
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| Mäsiar E., Kamenský J. : Hydraulika podzemných vód. Skriptum SVŠT Bratislava, 1983. |
| Planned learning activities and teaching methods |
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| Lectures, Tutorials, Project work |
| Assesment methods and criteria |
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| Task Title | Task Type | Maximum Number of Points
(Act. for Subtasks) | Minimum Number of Points for Task Passing |
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| Credit and Examination | Credit and Examination | 100 (100) | 51 |
| Credit | Credit | 35 | 18 |
| Examination | Examination | 65 | 33 |