635-3034/01 – Energy systems (EH)
| Gurantor department | Department of Thermal Engineering | Credits | 6 |
| Subject guarantor | Ing. Mario Machů, Ph.D. | Subject version guarantor | Ing. Mario Machů, Ph.D. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 1 | Semester | summer |
| | Study language | Czech |
| Year of introduction | 2019/2020 | Year of cancellation | |
| Intended for the faculties | FMT | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
Student will be able:
- categorize types of energy and energy sources,
- to distinguish gaseous fuels according to their properties, to evaluate fuels pricing, to assess the interchangeability of gases,
- determine the energy balance of equipment and normalize energy consumption,
- evaluate exergetic balances,
- characterize principles and choose suitable types of pumps, compressors,
- compare and evaluate the types of steam and gas turbine flows, cooling devices.
Teaching methods
Lectures
Seminars
Individual consultations
Tutorials
Summary
The subject acquaints students with energy consumption during development of human civilization, types of energies, sources and physical laws of energy transformation. Students will learn the properties of gaseous fuels, issues of interchangeability of heating gases, fuel pricing, normalization of energy consumption and approaches to the generation of energy and exergetic balances. They will understand the problems of power machines and equipment for pumping water, compressed air production, steam equipment, cooling equipment etc.
Compulsory literature:
Recommended literature:
Way of continuous check of knowledge in the course of semester
Written test and oral exam.
E-learning
Other requirements
Attendance on excursions in producing plants.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
• The concepts of energy, energetics. Types of energy, resting energy of matter, energy sources. Energy consumption in metallurgy.
• Energy transformation. Basic terms and laws of thermomechanics, reversible changes, irreversible changes.
• Thermal cycles. Reversible and irreversible cycles, Carnot's cycle.
• Usability of heat energy. Entropy. Exergy, anergy.
• Energy and Exergetic Balances.
• Automatic control of heat and energy equipment.
• Basic types of gaseous fuels, gasification, gas interchange theory, implementation of mixing stations in practice.
• Fuel valuation, fuel efficiency, dynamic fuel cost, normalization of energy consumption.
• Transport of water by pumping, transport height. Piston pump, principle, volume rate, power input, volumetric efficiency, regulation.
• Centrifugal pumps. Relative space flow theory, turbine theorem, torque on shaft, power input. Influence on suction height.
• Production of compressed air, polytropic compression, real compression process. Piston compressor, principle, theoretical and real cycle, volumetric efficiency, compression ratio division, supply quantity, input power, regulation.
• Turbo compressors. Transport height, static and dynamic component, reaction stage, shaft torque, input, theoretical volume rate, pressure number, blade shapes. Theoretical and real characteristics of turbo compressor, regulation.
• Production of water vapor, evaporation heat, pressure dependence. Boiling curve, triple point, critical point. Water vapor diagrams. Theoretical and practical steam cycles.
• Production of cold, production of technical gases.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction