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Course Details
| Course Department: | Department of Mechanical and Manufacturing Engineering |
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| Course Code: | MME 217 |
| Course Title: | Heat Transfer |
| Number of ECTS: | 5 |
| Level of Course: | 1st Cycle (Bachelor's Degree) |
| Year of Study (if applicable): | 2 |
| Semester/Trimester when the Course Unit is Delivered: | Spring Semester |
| Name of Lecturer(s): | Dimokratis Grigoriadis |
| Lectures/Week: | 2 (1.5 hours per lecture) |
| Laboratories/week: | 1 (1.5 hours per lecture) |
| Tutorials/Week: | 1 (1 hours per lecture) |
| Course Purpose and Objectives: |
• Introduction to heat transfer phenomena so that students familiarize with the basic principles and governing equations. • Understanding the physical mechanisms of Heat Transfer in a variety of applications. • Recognition of heat transfer phenomena in practical problems, including analysis design and solution methods. |
| Learning Outcomes: |
1) Analyse, measure and report thermal properties such as expansion coefficients, thermal conductivity and capacity 2) Estimate the relative importance of different modes of heat transfer 3) Identify different modes of heat transfer with different engineering problems 4) Draw equivalent thermal circuits and estimate heat transfer rates 5) Apply the laws of heat transfer to analyse and evaluate heat transfer rates with conduction and convection 6) Solve practical problems involving heat transfer problems including conduction, convection and radiation 7) Review the importance of dimensionless groups in heat transfer and calculate heat transfer rates using empirical correlations |
| Prerequisites: | MAS025 |
| Co-requisites: | Not Applicable |
| Course Content: |
Linear and volumetric expansion. Mechanisms of Heat Transfer (HT), Fourier, Newton and thermal radiation laws of HT. Conductivity and diffusion coefficients, emissivity. Electrical analog of HT, electrical resistance and equivalent thermal circuits. General differential equation of heat conservation. Steady conduction in one dimension with or without internal heat sources, analytical solutions of flat walls, cylinders and spheres. Steady conduction in two dimensions, shape factors, numerical solutions. HT from fins and extended surfaces. Transient HT, Heisler charts. Lumped capacitance method, Biot and Fourier numbers. Forced and natural convection, Reynolds, Prandtl, Nusselt, Rayleigh and Grashof dimensionless numbers. Mixed convection, boiling and condensation. Heat exchangers. Laboratory Exercises • Measurement of thermal conductivity • Measurement of coefficient of emissivity • Effect of distance on thermal radiation • Laboratory assignment in Matlab • Laboratory assignment in SolidWorks |
| Teaching Methodology: | • Lectures
• Tutorial sessions • Laboratory exercises (groups of four students) • Demonstrations • Communicative, Collaborative • During the first week of the semester the students receive the course syllabus, which includes the course content, bibliography, learning outcomes, assessment and office hours. |
| Bibliography: |
• Course notes • Incropera, F.P. and D.P. DeWitt, Fundamentals of Heat and Mass Transfer, 5th edition. Willey. • Cengel, Y.A., Heat Transfer: A Practical Approach, 2nd ed. McGraw-Hill, ISBN: 9780072458930. |
| Assessment: | • Laboratory reports 10% • Computational assignment 5% • Midterm exam 30% • Final exam 55% |
| Language of Instruction: | Greek |
| Delivery Mode: | Face-To-Face |
| Work Placement(s): | Not Applicable |