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HeatTransfer-I-Section-1

# 5 6 heat transfer i introducuon what is heat transfer

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Unformatted text preview: 10%/30%/60% < Final Grade < 10%/90% 4 Text SecUons for this Course •  •  •  •  •  •  •  •  •  •  •  Chapter 1 – IntroducUon: 1.1- 1.5 Chapter 2 – ConducUon: 2.1- 2.4 Chapter 3 – 1- D Steady ConducUon: 3.1- 3.6 Chapter 4 – 2- D Steady ConducUon: 4.3 Chapter 5 – Transient ConducUon: 5.1- 5.7 Chapter 12 – RadiaUon: 12.1- 12.8 Chapter 13 – RadiaUon Exchange: 13.1- 13.3 Chapter 6 – ConvecUon: 6.1- 6.7 Chapter 7 – External Flow: 7.1- 7.5 Chapter 8 – Internal Flow: 8.1- 8.5 Chapter 9 – Natural ConvecUon: 9.1- 9.6 –  10 of 14 chapters, approximately 55% of text by secUon topics, and by pages to read (?). 5 6 Heat Transfer I IntroducUon What is Heat Transfer? 7 •  Heat Transfer is the study of how energy is transferred through a temperature diﬀerence. •  Heat transfer is classiﬁed according to three fundamental modes: Conduc6on, Convec6on, and Radia6on. •  In Thermodynamics we always worked with a heat transfer Q given, but in this course we ˙ learn how to calculate it. •  In Thermodynamics we worked with macro- energy balances. In this course we will uUlize € micro- (diﬀeren6al) energy balances, to obtain Q relaUonships to obtain ˙ . Three Modes of Heat Transfer ConducUon ConvecUon T2 T1 RadiaUon 8 Three Modes of Heat Transfer Systems with ConducUon, ConvecUon, and RadiaUon •  We will examine individual mode problems and mulU- mode problems. 9 Three Modes of Heat Transfer Fourier’s Law Newton’s Law #T − T & q' ' = − k% 2 1 ( \$L' Stefan-...
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