338-0545/01 – Modeling and Simulation of Fluid Systems (MoSi)
| Gurantor department | Department of Hydromechanics and Hydraulic Equipment | Credits | 5 |
| Subject guarantor | Ing. Jana Jablonská, Ph.D. | Subject version guarantor | prof. RNDr. Milada Kozubková, CSc. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 2 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2013/2014 | Year of cancellation | 2020/2021 |
| Intended for the faculties | FS | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
Students will learn methods of electro-hydraulic analogy, circuits RLC. Their task will be to design hydraulic circuits, to solve them using numerical methods Matlab-Simulink and SimHydraulics. They will analyze the results, evaluate the accuracy by comparison the theory and experiment or possibly reconstruct the districts for better solutions. In applications they become familiar with the modeling of dynamic phenomena in the flow pipelines using methods of numerical analysis.
Teaching methods
Lectures
Tutorials
Experimental work in labs
Summary
The course focuses on the issues of electrohydraulic analogy and solutions of RLC circuits by numerical methods using Matlab-Simulink-Simscape. Part of the course is a measurement of hydraulic variables of selected hydraulic and pneumatic circuits and develop proposals to solve them both statically and dynamically. Part of the course is devoted to the physical properties of fluids and their dynamic behavior.
Compulsory literature:
MATLAB User's Guide. The Mathworks, Inc., USA, www.mathworks.com.
Recommended literature:
Way of continuous check of knowledge in the course of semester
E-learning
Other requirements
Students develop protocols specified for credit.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
Program of the subject for individual weeks (blocks):
1. The transfer of energy, types of energy, energy transfer efficiency, modeling and identification, hydraulic and Pneumatic network, methods of solutions, software
2. Resistance to motion, friction, pressure drop and static characteristics of pipes
3. Hydraulic and pneumatic supplies, physical properties of liquids and gases, elastic modulus
4. Static characteristics of fluid elements with local losses
5. Simulation of pressure drop and static characteristics in Matlab-Simulink-Simscape, defining the circuit pressure drop calculation, calculation of static characteristics
6. Unsteady flow, resistance to movement, acceleration resistance, resistance to deformation and capacity, hydraulic and pneumatic labeling resistance
7. Simulation of dynamic characteristics in Matlab
8. T-element, solutin of linear ordinary differential equations of higher order analytically and numerically - SimHydraulics
9. Laplace and Fourier transformation, transmission and system stability, physical meaning of the transmission of the first and second order.
10. Hydraulic accumulator and air receiver storage tank - mathematical model, definition, models of distributors and valves, the sequencing in the circuit management
11. Solving the circuit with pumps, centrifugal pump in SimHydraulics, 1D and 2D pump characteristics, sorting of pumps, serial and parallel circuits with pumps, modelling of circuit - pressure drop, static characteristics, hydraulic water hammer.
12. Solution of pneumatic circuits with pressure energy sources, static circuit characteristics, dynamic characteristics
13. Application to the nuclear energy as the dynamics of piping with a power source and the control elements
14. Consultation of individual programs, presentations
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction
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