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(2019)

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Heat Transfer

 KOSHIOKA Yasuhiro
  Elective  2 credits
【Aerospace Engineering･1st semester】
19-1-0333-5283

１．
Outline
We will examine heat, heat conduction including steady-state and unsteady-state conduction, heat transfer by forced convection and natural convection, thermal radiation, and radiation heat transfer.
２．
Objectives
The theory of heat transfer is an essential topic, as it addresses how to efficiently transmit heat and, conversely, how to restrict heat transfer. A large number of aerodynamic engineering topics involve heat transfer: aerodynamic heating during high-speed flight, cooling of the turbine blades of jet engines, cooling of rocket nozzles, and thermal control in satellites and space probes, to name just a few. Students will learn the fundamental concepts of heat transfer by studying its basic forms – conduction, convection and radiation.
３．
Grading Policy
Evaluate based on the results of intermediate tests and regular tests. Each evaluation rate is
Intermediate test 25%
Periodic test 75%
We will also provide a feedback explanation as an interim test and a final exam after feedback.
Please return the intermediate test results to yourself and deepen your understanding using exercises and others distributed separately. In addition, we will outline the entire subject before and after the mid-term exam and explain the main points of learning.
４．
Textbook and Reference
Toshio Aihara, "Espresso Heat Transfer Engineering", Shokabo
５．
Requirements (Assignments)
The part related to convection heat transfer by the contents of heat transfer engineering is based on viscous flow of fluid dynamics and boundary layer flow.
Let's prepare and review for 1.5 hours each, read the textbook carefully and summarize the main points in a notebook. Please acquire knowledge by iteratively solving exercises to be distributed after the midterm test.
More than 36 hours in that period are necessary for the above review.
６．
Note
In addition to taking notes, please read the textbook repeatedly until you can have a physical image. Please clarify what you do not understand, and make efforts to reduce the unknown spots by using reference books and questions.
Reference book: Journal of the Japan Society of Mechanical Engineers, JSME Text Series "Heat Transfer Engineering"
７．
Schedule
１. Fundamentals of heat transfer studies (heat and temperature, internal energy, second law of thermodynamics, basic form of heat transfer)
２. Heat conduction (Fourier's law, thermal conductivity)
３. Heat conduction equation, thermal conductivity, temperature conductivity, thermal conductivity measurement method
４. Steady state heat-conduction (one-dimensional thermal conduction, multilayer flat plate, radial flow heat conduction of cylinder and sphere)
５. Steady state heat-conduction (thermal resistance, heat passage rate)
６. Steady state heat-conduction (expansion heat transfer surface, fin)
７. Steady state heat-conduction (two-dimensional thermal conduction, Fourier series, shape factor)
８. Unsteady-state conduction (one-dimensional transient heat conduction, Hyssler diagram)
９. Forced convection heat transfer (laminar flow forced convection heat transfer, turbulent forced convection heat transfer)
10. Natural convection heat transfer (laminar natural convection heat transfer)
11. Intermediate examination
12. Radiation heat transfer (blackbody radiation, radiation intensity)
13. Radiation heat transfer (thermal radiation of real objects, gray body)
14. Radiation heat transfer (radiation exchange in enclossures composed of black surfaces)
15. Radiation heat transfer (gray system radiative heat transfer)
１．
Outline
We will examine heat, heat conduction including steady-state and unsteady-state conduction, heat transfer by forced convection and natural convection, thermal radiation, and radiation heat transfer.
２．
Objectives
The theory of heat transfer is an essential topic, as it addresses how to efficiently transmit heat and, conversely, how to restrict heat transfer. A large number of aerodynamic engineering topics involve heat transfer: aerodynamic heating during high-speed flight, cooling of the turbine blades of jet engines, cooling of rocket nozzles, and thermal control in satellites and space probes, to name just a few. Students will learn the fundamental concepts of heat transfer by studying its basic forms – conduction, convection and radiation.
３．
Grading Policy
Evaluate based on the results of intermediate tests and regular tests. Each evaluation rate is
Intermediate test 25%
Periodic test 75%
We will also provide a feedback explanation as an interim test and a final exam after feedback.
Please return the intermediate test results to yourself and deepen your understanding using exercises and others distributed separately. In addition, we will outline the entire subject before and after the mid-term exam and explain the main points of learning.
４．
Textbook and Reference
Toshio Aihara, "Espresso Heat Transfer Engineering", Shokabo
５．
Requirements (Assignments)
The part related to convection heat transfer by the contents of heat transfer engineering is based on viscous flow of fluid dynamics and boundary layer flow.
Let's prepare and review for 1.5 hours each, read the textbook carefully and summarize the main points in a notebook. Please acquire knowledge by iteratively solving exercises to be distributed after the midterm test.
More than 36 hours in that period are necessary for the above review.
６．
Note
In addition to taking notes, please read the textbook repeatedly until you can have a physical image. Please clarify what you do not understand, and make efforts to reduce the unknown spots by using reference books and questions.
Reference book: Journal of the Japan Society of Mechanical Engineers, JSME Text Series "Heat Transfer Engineering"
７．
Schedule
１. Fundamentals of heat transfer studies (heat and temperature, internal energy, second law of thermodynamics, basic form of heat transfer)
２. Heat conduction (Fourier's law, thermal conductivity)
３. Heat conduction equation, thermal conductivity, temperature conductivity, thermal conductivity measurement method
４. Steady state heat-conduction (one-dimensional thermal conduction, multilayer flat plate, radial flow heat conduction of cylinder and sphere)
５. Steady state heat-conduction (thermal resistance, heat passage rate)
６. Steady state heat-conduction (expansion heat transfer surface, fin)
７. Steady state heat-conduction (two-dimensional thermal conduction, Fourier series, shape factor)
８. Unsteady-state conduction (one-dimensional transient heat conduction, Hyssler diagram)
９. Forced convection heat transfer (laminar flow forced convection heat transfer, turbulent forced convection heat transfer)
10. Natural convection heat transfer (laminar natural convection heat transfer)
11. Intermediate examination
12. Radiation heat transfer (blackbody radiation, radiation intensity)
13. Radiation heat transfer (thermal radiation of real objects, gray body)
14. Radiation heat transfer (radiation exchange in enclossures composed of black surfaces)
15. Radiation heat transfer (gray system radiative heat transfer)