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Theoretical Foundations of Heating Engineering
Major: Thermal Power Engineering
Code of subject: 6.144.00.O.013
Credits: 8.00
Department: Heat Engineering and Thermal and Nuclear Power Plants
Lecturer: Associate Professor, Ph.D. Lys Stepan Stepanovych
Semester: 2 семестр
Mode of study: денна
Завдання: As a result of studying the academic discipline, the student should be able to demonstrate the ability to solve specialized tasks and practical problems during professional activity in the field of heat energy or in the process of learning.
The study of an academic discipline involves the formation and development of students' competencies:
integral:
- the ability to solve complex general, specialized tasks and practical problems in the field of heat energy or in the learning process, which involves the application of theories and methods of electrical engineering and is characterized by the complexity and uncertainty of conditions.
general:
- the ability to learn and master modern knowledge;
- the ability to apply knowledge in practical situations.
professional:
- the ability to apply appropriate quantitative mathematical methods, methods of natural and technical sciences and computer software to solve engineering problems in the thermal power industry.
- the ability to identify, investigate and solve problems in the field of thermal energy, as well as identify constraints, including those related to engineering aspects and issues of nature protection, sustainable development, health and safety and risk assessments in the thermal energy industry.
Learning outcomes: As a result of studying the academic discipline, the student must be able to demonstrate the following program learning outcomes:
PR1 (Know and understand mathematics, physics, chemistry at the level necessary to achieve the results of the educational program)
Lectures, laboratory and practical classes - information-receptive method, reproductive method, heuristic method, independent work - reproductive method, research method
Current control - performance and defense of practical and laboratory works, oral examination. Exam - written survey, test control
PR17 (Arguing and conveying judgments that reflect engineering solutions in the field of thermal energy and relevant social, environmental and ethical problems to specialists and non-specialists) Lectures and practical classes - information-receptive method, reproductive method, heuristic method, method of problem presentation. Independent work: reproductive method
Current control – performance and defense of practical works, oral and frontal examination
Required prior and related subjects: prerequisites:
• Higher mathematics
• Physics
• Chemistry
requisites:
• Technical thermodynamics
• Heat and mass transfer in nuclear installations
• NPP turbines
Summary of the subject: The basics of one of the general technical disciplines necessary for the development of production and technical, design, construction and research tasks are considered. The main focus is on the laws of technical thermodynamics, assimilation of the regularities of the course of various thermodynamic processes and the peculiarities of the implementation of thermodynamic cycles, as the basis of thermal power engineering.
Опис: Topic 1. Introduction. The basics of heat engineering, its place and role in the training of specialists. Connection of the basics of heat engineering with other fields of knowledge.
Topic 2. Internal energy. Entropy. Enthalpy. Work and heat as forms of energy transfer. Graphic representation of work and heat in Pv and Ts coordinates. An ideal gas. Equation of states of ideal gases.
Topic 3. The first law of thermodynamics. Definition and analytical expression of the first law of thermodynamics. Equation of the first law of thermodynamics for flow. General method of studying thermodynamic processes. Thermodynamic analysis of isochoric, isobaric, isothermal, adiabatic and polytropic processes.
Topic 4. The second law of thermodynamics. Basic definitions and analytical expression of the second law of thermodynamics. Direct and inverse Carnot cycles.
Topic 5. Real gas. Properties of real gases. Water vapor. Thermodynamic tables of water and water vapor. PV –, TS –, HS – diagrams of water vapor. Calculation of thermodynamic processes of water vapor using tables and HS - diagram.
Topic 6. Moist air. Definition of the concept of "moist air". The main values ??characterizing the state of moist air. Hd - humid air diagram.
Topic 7. Thermodynamics of flow. Leakage and throttling of gases and vapors. Substantive provisions. Flow equation. Flow rate and work done by the body. Critical pressure ratio. Critical mode. Laval nozzle.
Topic 8. Gas compression processes in compressors. Classification of compressors and the principle of operation. Indicator chart. Thermodynamic analysis of processes in compressors. Complete work spent on the compressor drive. Multi-stage compression. Image of thermodynamic processes occurring in compressors in PV and TS diagrams.
Topic 9. Cycles of internal combustion engines (ICE). The principle of operation of reciprocating internal combustion engines with heat supply at constant pressure, constant volume and mixed heat supply.
Topic 10. Cycles of gas turbine plants (GTU) and steam power plants (PSU). The principle of operation of GTU. GTU cycles with isobaric heat supply. General information about the cycles of jet engines. Schematic diagram of the PSU. Cycles of refrigerating machines and heat pumps. Schematic diagram and thermodynamic analysis of a vapor compression type refrigerating machine.
Topic 11. Basic concepts and definitions of heat transfer theory. Heat transfer by thermal conduction, convection and thermal radiation. Complex heat exchange. Thermal conductivity. Fourier's law. Thermal conductivity coefficient.
Topic 12. Convective heat exchange. Newton-Richmann equation. Coefficient of heat transfer by convection ?. Differential equation of heat transfer. Basics of the theory of similarity. The physical content of the main similarity criteria. Heat transfer during the movement of the environment.
Topic 13. Heat exchange by radiation. Planck's, Stefan-Boltzmann's, Kirchhoff's laws of thermal radiation. Heat transfer. Heat transfer through flat and cylindrical multilayer walls.
Topic 14. Basics of thermal calculation of heat exchange devices. Classification, purpose and schemes of heat exchangers. Design and verification thermal calculations of heat exchangers. Average temperature pressure.
Topic 15. Industrial heat engineering. Types of organic fuels and their characteristics. Classification of fuels. Elemental composition of fuels. Heat of combustion. Excess air factor.
Assessment methods and criteria: • written reports on laboratory work, reports on practical work, oral questioning (30%)
• final control (control measure - exam): written and oral form (70%)
Критерії оцінювання результатів навчання: Maximum score in points:
Laboratory works - 15
Practical works - 15
Total for current control - 30
Semester control (written component) - 60
Semester control (oral component) - 10
Total for the discipline - 100
The procedure and criteria for assigning points and evaluations: laboratory reports and practice reports, current (oral and written) control, written and combined with an oral component exam.
Порядок та критерії виставляння балів та оцінок: 100–88 points – (“excellent”) is awarded for a high level of knowledge (some inaccuracies are allowed) of the educational material of the component contained in the main and additional recommended literary sources, the ability to analyze the phenomena being studied in their interrelationship and development, clearly, succinctly, logically, consistently answer the questions, the ability to apply theoretical provisions when solving practical problems; 87–71 points – (“good”) is awarded for a generally correct understanding of the educational material of the component, including calculations, reasoned answers to the questions posed, which, however, contain certain (insignificant) shortcomings, for the ability to apply theoretical provisions when solving practical tasks; 70 – 50 points – (“satisfactory”) awarded for weak knowledge of the component’s educational material, inaccurate or poorly reasoned answers, with a violation of the sequence of presentation, for weak application of theoretical provisions when solving practical problems; 49-26 points - ("not certified" with the possibility of retaking the semester control) is awarded for ignorance of a significant part of the educational material of the component, significant errors in answering questions, inability to apply theoretical provisions when solving practical problems; 25-00 points - ("unsatisfactory" with mandatory re-study) is awarded for ignorance of a significant part of the educational material of the component, significant errors in answering questions, inability to navigate when solving practical problems, ignorance of the main fundamental provisions.
Recommended books: 1. Draganov B.K. Heat engineering / B.H. Draganov, A.A. Volynsky, A.B. Mischenko, Y.M. Written // "INKOS". - Kyiv, 2005. - 504 p.
2. Chepurny M.M. Technical thermodynamics. CHI: Teach manual / М.М. Chepurny, S.Y. Tkachenko // VGTU. - Vinnitsa, 1997. - 109 p.
3. Gnatyshyn Y.M., Kryshtapovich V.I. Heat engineering: Teaching manual. - K .: Knowledge, 2008. - 364 p.
4. Chepurny M.M., Tkachenko S.Y. Fundamentals of technical thermodynamics. Vinnitsa - "Podillya-2000". - 2004 - 352p.
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