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Heat and Mass Transfer
Major: Thermal Power Engineering
Code of subject: 6.144.00.O.021
Credits: 6.00
Department: Heat Engineering and Thermal and Nuclear Power Plants
Lecturer: Ph.D., Associate Professor, Tetiana Rуmar
Semester: 4 семестр
Mode of study: денна
Завдання: The study of the discipline involves the formation of competencies in higher education students:
Integral competence:
- The ability to solve complex general, specialized tasks and practical problems in the field of thermal power engineering or in the learning process, which involves the application of theories and methods of electrical engineering and is characterized by complexity and uncertainty of conditions.
General competencies:
GC 3. Ability to learn and master modern knowledge.
GC 9. Ability to make informed decisions
Professional competencies:
PC 7. Ability to take into account the broader interdisciplinary engineering context in professional activities in the field of heat and power engineering
Learning outcomes: As a result of studying the discipline, the student must be able to demonstrate the following learning outcomes:
PLO 2. To know and understand the engineering sciences underlying the specialty “Heat and Power Engineering” of the relevant specialization at the level necessary to achieve other results of the educational program, including a certain awareness of the latest achievements of science and technology in the field of heat and power engineering.
PLO 3. Understanding of the interdisciplinary context of the specialty “Heat and Power Engineering”.
PLO 5. Select and apply appropriate standard analytical, computational and experimental methods; correctly interpret the results of such studies.
PLO 11. Have laboratory / technical skills, plan and perform experimental research in heat and power engineering using modern techniques and equipment, evaluate the accuracy and reliability of results, draw reasonable conclusions.
PLO 19. To master the methods of studying the thermal processes of heat and power equipment, as well as to be able to effectively apply modern electronic means for technological control, registration and further processing of measurement parameters in the design of heat and power equipment.
Required prior and related subjects: Prior academic subjects:
- Advanced Mathematics, Part 1, Part 2, Part 3.
- Physics, Part 1, Part 2.
- Fluid Dynamics.
- Theoretical Foundations of Heating Engineering.
- Materials Science.
Related and subsequent disciplines:
- Fuel and Boiler Plants.
- Thermal Power Plants.
- Mathematical Modeling in Thermal Power Engineering.
- Steam and Gas Turbines.
- Environmental Protection Units in Heat Power Engineering.
- Bachelor Thesis Completion.
Summary of the subject: The theory of heat and mass transfer is the scientific basis for methods of calculation, design and operation of heat exchangers, pipelines, thermal insulation, heat supply systems, boiler plants, steam power equipment systems, internal combustion engines, means of measurement and control of thermal processes. The discipline studies the basic dependencies of stationary heat transfer by thermal conduction, free and forced convection and thermal radiation, in particular, in elements of simple structures, basic methods of calculation of heat exchangers, which corresponds to the subject area in accordance with the standard of specialty 144 «Heat Power Engineering».
Опис: The main types of heat transfer. Thermal conductivity at steady state and boundary conditions of the first kind. Processes of heat transfer. Heat transfer through a flat single-layer and multilayer wall. Heat transfer through cylindrical single-layer and multilayer walls. Heat transfer through a spherical wall. Heat transfer through finned walls. Intensification of heat transfer processes. Thermal insulation, types of insulation. Critical diameter of a cylindrical wall. Determination of the optimal level of thermal protection of enclosing structures. Fundamentals of the theory of convective heat transfer. Heat transfer in the case of fluid movement in channels. Heat transfer during forced transverse washing of a pipe and a bundle of pipes. Heat transfer in the case of free fluid movement. Heat transfer in the free flow of fluid in an unlimited space along vertical surfaces and near horizontal surfaces. Heat transfer during the free movement of a fluid in a confined space. Heat transfer due to changes in the aggregate state of a substance. Radiant heat transfer. Basic laws of thermal radiation. Heat exchange devices. Processes of diffusion and mass transfer in two-component media.
Assessment methods and criteria: Assessment of knowledge is provided by current and examination controls.
1. Current control in practical and laboratory classes is carried out in order to determine the readiness of students for classes in the following forms
- selective oral questioning before the start of classes.
- frontal standardized survey with tests lasting 5-10 minutes.
- frontal check of homework completion.
- Calling individual students to the board to solve problems independently, written answers to individual questions asked during the laboratory class.
- assessment of student activity in the course of classes, proposals made, original solutions, clarifications and definitions, additions to previous answers, etc.
2. Examination control is carried out in order to determine the level of students' knowledge in the following forms:
- a survey with the help of tests posted in the VNS of Lviv Polytechnic, lasting 30 minutes.
- written survey (examination paper) lasting 70 minutes.
- oral examination to assess the level of knowledge acquisition and achievement of learning outcomes. It consists in finding out the level of knowledge of students through direct contact with them during a test conversation. The oral examination involves the teacher asking questions (tasks), preparing students to answer and demonstrate their knowledge, correcting and self-controlling the answers given in the process, analyzing and evaluating them.
Критерії оцінювання результатів навчання: - work in practical classes - 15 points;
- work in laboratory classes - 15 points;
- examination control - 70 points (written component - 60 points, oral component - 10 points).
Total for the discipline - 100 points.
Порядок та критерії виставляння балів та оцінок: 100-88 points - certified with an “excellent” grade - High level: the student demonstrates an in-depth mastery of the conceptual and categorical apparatus of the discipline, systematic knowledge, skills and abilities of their practical application. The mastered knowledge, skills and abilities provide the ability to independently formulate goals and organize learning activities, search and find solutions in non-standard, atypical educational and professional situations. The applicant demonstrates the ability to make generalizations based on critical analysis of factual material, ideas, theories and concepts, to formulate conclusions based on them. His/her activity is based on interest and motivation for self-development, continuous professional development, independent research activities, implemented with the support and guidance of the teacher. 87-71 points - certified with a grade of “good” - Sufficient level: involves mastery of the conceptual and categorical apparatus of the discipline at an advanced level, conscious use of knowledge, skills and abilities to reveal the essence of the issue. Possession of a partially structured set of knowledge provides the ability to apply it in familiar educational and professional situations. Aware of the specifics of tasks and learning situations, the student demonstrates the ability to search for and choose their solution according to the given sample, to argue for the use of a particular method of solving the problem. Their activities are based on interest and motivation for self-development and continuous professional development. 70-50 points - certified with a grade of “satisfactory” - Satisfactory level: outlines the mastery of the conceptual and categorical apparatus of the discipline at the average level, partial awareness of educational and professional tasks, problems and situations, knowledge of ways to solve typical problems and tasks. The applicant demonstrates an average level of skills and abilities to apply knowledge in practice, and solving problems requires assistance, support from a model. The basis of learning activities is situational and heuristic, dominated by motives of duty, unconscious use of opportunities for self-development. 49-00 points - certified with a grade of “unsatisfactory” - Unsatisfactory level: indicates an elementary mastery of the conceptual and categorical apparatus of the discipline, a general understanding of the content of the educational material, partial use of knowledge, skills and abilities. The basis of learning activities is situational and pragmatic interest.
Recommended books: 1. Mysak Y.S. Fundamentals of heat and mass transfer: Textbook / Y.S. Mysak, I.M. Ozarkiv, M.Y. Kuznetsova, I.A. Sokolovskyi, V.M. Kuzma - Lviv: SPF "Ukrainian Technologies", 2016. 200 p.
2. Labai V.Y. Examples and problems from the course of heat and mass transfer. Study guide. Lviv: Lviv Polytechnic Publishing House, 2017. 228 p.
3. Labai V.Y. Heat and mass transfer: Textbook for universities. - Lviv: Triada Plus, 2004. - 260 p.
4. Pogorelov A.I. Heat and mass transfer (basics of theory and calculation): A textbook for universities. 2nd edition. - Lviv: Novyi Svit - 2000, 2004. - 144 p.
5. Budnik A.F. Heat and mass transfer in processes and materials of material design: Study guide. - Sumy: Sumy State University Publishing House, 2008. 158 p.
6. Konstantinov S.M. Heat transfer. - Kyiv: Polytechnic and Press, 2005. - 305 p.
7. Draganov B.H., Dolinsky A.A., Mishchenko A.V. et al. Heat engineering. - Kyiv: Lybid, 2005. - 360 p.
8. Vasylenko S.M., Ukrainets A.I., Olishevskyi V.V. Fundamentals of heat and mass transfer: Textbook / Edited by Academician of the Ukrainian Academy of Sciences I.S. Gulyi - K.: NUFT, 2004. - 250 p.
Уніфікований додаток: Lviv Polytechnic National University ensures the realization of the right of persons with disabilities to obtain higher education. Inclusive educational services are provided by the Service of accessibility to learning opportunities "Without restrictions", the purpose of which is to provide permanent individual support for the educational process of students with disabilities and chronic diseases. An important tool for the implementation of the inclusive educational policy at the University is the Program for improving the qualifications of scientific and pedagogical workers and educational and support staff in the field of social inclusion and inclusive education. Contact at:
St. Karpinsky, 2/4, 1st floor, room 112
E-mail: nolimits@lpnu.ua
Websites: https://lpnu.ua/nolimits https://lpnu.ua/integration
Академічна доброчесність: The policy regarding the academic integrity of the participants of the educational process is formed on the basis of compliance with the principles of academic integrity, taking into account the norms "Regulations on academic integrity at the Lviv Polytechnic National University" (approved by the academic council of the university on June 20, 2017, protocol No. 35).
Heat and Mass Transfer (курсовий проєкт)
Major: Thermal Power Engineering
Code of subject: 6.144.00.O.023
Credits: 3.00
Department: Heat Engineering and Thermal and Nuclear Power Plants
Lecturer: Tetiana Rуmar, Ph.D., Associate Professor
Semester: 4 семестр
Mode of study: денна
Завдання: The study of the discipline involves the development of competencies in students:
Integral competence:
INT. 1. The ability to solve complex general, specialised tasks and practical problems in the field of heat and power engineering or in the process of learning, which involves the application of theories and methods of electrical engineering and is characterised by complexity and uncertainty of conditions.
General competences:
GC 4. Ability to apply knowledge in practical situations;
GC 6. Ability to search, process and analyse information from various sources;
GC 9. Ability to make informed decisions.
Professional competences:
PC 1. Ability to apply appropriate quantitative mathematical methods, methods of natural and technical sciences and computer software to solve engineering problems in the heat and power industry.
Learning outcomes: As a result of studying the discipline, the student must be able to demonstrate the following programme learning outcomes:
PLO 9. Be able to find the necessary information in technical literature, scientific databases and other sources of information, critically evaluate and analyse it.
PLO 13. Understand the basic methods of design and research in thermal power engineering, as well as their limitations.
Required prior and related subjects: Prior academic subjects:
- Advanced Mathematics, Part 1, Part 2, Part 3.
- Physics, Part 1, Part 2.
- Fluid Dynamics.
- Theoretical Foundations of Heating Engineering.
- Materials Science.
- Engineering and Computer Graphics.
Related and subsequent disciplines:
- Fuel and Boiler Plants.
- Thermal Power Plants.
- Mathematical Modeling in Thermal Power Engineering.
- Steam and Gas Turbines.
- Environmental Protection Units in Heat Power Engineering.
- Bachelor Thesis Completion.
Summary of the subject: The theory of heat and mass transfer is the scientific basis for methods of calculation, design, and operation of heat exchangers, pipelines, thermal insulation, heat supply systems, steam generators, steam power equipment systems, internal combustion engines, and means of measuring and controlling thermal processes.
Опис: The course project consists of three interrelated parts (sections):
- calculation of the geometric dimensions of the heat exchanger and heat losses;
- calculation of heat losses by the heating main;
- approximate calculation of the geometric dimensions of the boiler and heat losses.
Assessment methods and criteria: The assessment of knowledge is provided by current (written component) and final examinations.
Current control involves the assessment of the following components:
- timeliness of fulfillment of the course design work schedule
- relevance and justification of decisions made;
- correct application of analysis and calculation methods;
- quality of design, compliance with the requirements of regulatory documents.
The final control involves assessing the following components:
- the degree of mastery of the material
- completeness of the analysis of possible options;
- degree of justification of decisions made;
- ability to defend one's opinion.
Критерії оцінювання результатів навчання: • written component (30%): quality of calculations and explanatory notes;
• summative assessment (70%, credit): defense of сoursework.
Порядок та критерії виставляння балів та оцінок: 100-88 points - certified with an “excellent” grade - High level: the student demonstrates an in-depth mastery of the conceptual and categorical apparatus of the discipline, systematic knowledge, skills and abilities of their practical application. The mastered knowledge, skills and abilities provide the ability to independently formulate goals and organize learning activities, search and find solutions in non-standard, atypical educational and professional situations. The applicant demonstrates the ability to make generalizations based on critical analysis of factual material, ideas, theories and concepts, to formulate conclusions based on them. His/her activity is based on interest and motivation for self-development, continuous professional development, independent research activities, implemented with the support and guidance of the teacher. 87-71 points - certified with a grade of “good” - Sufficient level: involves mastery of the conceptual and categorical apparatus of the discipline at an advanced level, conscious use of knowledge, skills and abilities to reveal the essence of the issue. Possession of a partially structured set of knowledge provides the ability to apply it in familiar educational and professional situations. Aware of the specifics of tasks and learning situations, the student demonstrates the ability to search for and choose their solution according to the given sample, to argue for the use of a particular method of solving the problem. Their activities are based on interest and motivation for self-development and continuous professional development. 70-50 points - certified with a grade of “satisfactory” - Satisfactory level: outlines the mastery of the conceptual and categorical apparatus of the discipline at the average level, partial awareness of educational and professional tasks, problems and situations, knowledge of ways to solve typical problems and tasks. The applicant demonstrates an average level of skills and abilities to apply knowledge in practice, and solving problems requires assistance, support from a model. The basis of learning activities is situational and heuristic, dominated by motives of duty, unconscious use of opportunities for self-development. 49-00 points - certified with a grade of “unsatisfactory” - Unsatisfactory level: indicates an elementary mastery of the conceptual and categorical apparatus of the discipline, a general understanding of the content of the educational material, partial use of knowledge, skills and abilities. The basis of learning activities is situational and pragmatic interest.
Recommended books: 1. Heat-mass exchange in examples and problems: Study guide /M.M. Chepurnyi, N.V. Rezydent. – Vinnytsia: VNTU, 2011. – 128 p.
2. Heat transfer // Konstantynov S.M. – Kyiv: Politekhnika i pres, 2005. – 305 p.
3. Thermal engineering // Drahanov B.Kh., Dolinskyi A.A., Mishchenko A.V. et al. – Kyiv: Lybid, 2005. – 360 p.
4. Heat-mass exchange // Labay V.Y. College textbook. – Lviv: Triada Plius, 2004. – 260 p.
5. Heat-mass exchange (theoretical framework and basis of design) // Pohorielov A.I. Manual for graduate students. 2nd edition. – Lviv: «Novyi Svit – 2000», 2004. – 144 p.
Уніфікований додаток: Lviv Polytechnic National University ensures the realization of the right of persons with disabilities to obtain higher education. Inclusive educational services are provided by the Service of accessibility to learning opportunities "Without restrictions", the purpose of which is to provide permanent individual support for the educational process of students with disabilities and chronic diseases. An important tool for the implementation of the inclusive educational policy at the University is the Program for improving the qualifications of scientific and pedagogical workers and educational and support staff in the field of social inclusion and inclusive education. Contact at:
St. Karpinsky, 2/4, 1st floor, room 112
E-mail: nolimits@lpnu.ua
Websites: https://lpnu.ua/nolimits https://lpnu.ua/integration
Академічна доброчесність: The policy regarding the academic integrity of the participants of the educational process is formed on the basis of compliance with the principles of academic integrity, taking into account the norms "Regulations on academic integrity at the Lviv Polytechnic National University" (approved by the academic council of the university on June 20, 2017, protocol № 35).