Chapter2

# Chapter2 - Copyright 2001 John Baldwin 1 ChEn 323 –...

This preview shows pages 1–4. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Copyright 2001 John Baldwin 1 ChEn 323 – Chapter 2 – Slide 1 Preliminary Class Schedule Ch 13 Rad Review Ch 13 Ch 13 12/1 No Classes Course Review 12/8 Ch 10 Ch 11 Conv Review Ch 10 11/3 Ch 9 Ch 10 Ch 9 Ch 9 10/27 Ht Exch Ch 12 Ch 12 Ht Exch 11/17 None Ht Exch Ht Exch/Exam 2 Ch 11 11/10 Ch 12 (Wed) Thanksgiving Ch 13 Ch 13 11/24 Tuesday (8 – 10 AM): Final 12/15 Ch 8 Ch 7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Intro Monday Ch 8 Ch 9 Ch 8 10/20 Ch 6-7 Ch 8 Ch 7 10/13 None Ch 7 Ch 6/Exam 1 10/6 Ch 5 Ch 6 Cond Review 9/29 Ch 4 Ch 5 Ch 5 9/22 Ch 3 Ch 4 Ch 4 9/15 Ch 2 Ch 3 Ch 3 9/8 Ch 1 Ch 2 Ch 1 9/1 H/W Friday Wednesday Week ChEn 323 – Chapter 2 – Slide 2 Chapter 2: Introduction to Conduction & Purposes of Chapter: & Improve understanding of conduction rate equation (Fourier’s law) & Familiarize you with heat equation & Understand origin and implications of Fourier’s law & Understand the key thermal properties & Understand the physical meaning of each term in the heat equation & Understand the forms of the heat equation for various simplifying conditions Copyright 2001 John Baldwin 2 ChEn 323 – Chapter 2 – Slide 3 Evolution of the Conduction Rate Equation & Fourier’s law based on observations, not First Principles & Variables that affect the rate of heat transfer: § Cross sectional area: A § Change in temperature: D T § Distance between the bodies: D x & Define the rate of heat transfer to be q ChEn 323 – Chapter 2 – Slide 4 Steady State Heat Conduction Experiment q x D T A, D x q x 1/ D x A, D T q x A D T , D x Observed Held Constant Copyright 2001 John Baldwin 3 ChEn 323 – Chapter 2 – Slide 5 Fourier’s Law & Thermal Conductivity Combining give: x T A q x D D ∝ Proportionality constant is called “thermal conductivity”: x T A k q x D D = By observation, units of k : W/(m 2 )(°K/m), or BTU/(hr)(ft 2 )(°F/ft) ChEn 323 – Chapter 2 – Slide 6 Thermal Conductivity...
View Full Document

{[ snackBarMessage ]}

### Page1 / 12

Chapter2 - Copyright 2001 John Baldwin 1 ChEn 323 –...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online