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Course detail
FSI-KBPAcad. year: 2026/2027
Since balances represent a fundamental tool for process engineers, as well as for energy specialists, waste-management professionals, sustainability managers, and related roles, the aim of the course is to prepare students to use balances. The course also introduces students to typical situations in which balances are applied. In industrial processes, input materials and raw resources are transformed into final products and intermediates. This transformation requires energy, which must be utilized as efficiently as possible. However, some energy is inevitably lost or converted into low-grade waste heat that is difficult to exploit. Output streams may also include wastes in various forms, such as solid waste, liquid waste and wastewater, or gaseous emissions. Balances help describe and quantify how input streams are converted into output streams.
Performing a balance involves determining the flow rates, composition, and, where applicable, the temperatures of all streams at every point in the process. Students will be introduced to the fundamentals of mass and energy balances. Subsequent specialized courses in the study program build on this foundation. These courses further develop, practice, and apply balance-calculation skills, including the use of specialized (commercial) computational tools.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Entry knowledge
Knowledge from bachelor-level mathematics, physics, and thermodynamics is expected. Students will make use of their understanding of solving systems of linear equations and numerical methods for finding the solutions of nonlinear functions. The topic of unsteady-state balancing is also related to formulating differential equations and solving them.
Rules for evaluation and completion of the course
SEMINARS:To receive course credit, students must participate regularly and actively in the exercises (which means no more than two excused absences), submit all assigned tasks, successfully pass the written tests, and complete a semester project carried out in small student groups. The project focuses on solving a selected example, allowing students to verify their understanding of balancing theory and demonstrate that the acquired knowledge can be applied to more complex problems. The criterion for earning the course credit is obtaining more than half of the total points available from the ongoing written tests.
Attendance at lectures is not formally monitored; however, completing the tasks in the exercises requires knowledge gained from the lectures.EXAM:
The examination consists of three parts: a written test, computational problems, and an oral component.
Each part is assessed separately on a scale from A to F, and each part carries the same weight. A student must achieve at least an E in each part. An F is awarded if the student demonstrates less than half of the required knowledge (e.g., less than half of the points on the written test, solving none or only one of the computational problems, etc.). If a student receives an F in any part, they must repeat the entire examination. In all other cases, the final grade reflects the performance in each part.
Aims
After completing the course, students will:
Selected knowledge from the course can be tested in an e-learning module available in Czech.
Study aids
Prerequisites and corequisites
Basic literature
Recommended reading
Classification of course in study plans
Lecture
Teacher / Lecturer
Syllabus
1. week: Classification of balances and basic terminology2. week: Mass balance of a steady state system (without chemical reactions and with chemical reactions)3. week: Energy balance of a steady state system, procedures for calculating energy flows of selected process streams4. week: Introduction to pipe networks, balance of processes with recycle or bypass, computer implementation of algorithms for the solution of balances5. week: Introduction to economic process assessment in the pre-investment phase 6. week: Balance based on operating data (overdetermined system)7. week: Environmental impact balances8. week: Emissions dispersion calculation methods, emissions and immisions 9. week: Balance of transient process, mass acculumation10. week: Balances with phase change (gaseous-liquid, one and multi-components systems)11. week: Balances with phase change (solid-liquid) and its use in energy-storage applications12. week: Basics of balances of low-carbon energy producing technologies13. week: Softwares for mass and energy balances
Computer-assisted exercise