ChE 306: HEAT TRANSFER
FALL 2010
Homework #1 -SOLUTION
(80 points)
DUE: FRIDAY, AUGUST 27, 2010
Chapter 1 Problems
1. On a winter day, the inner surface of a glass window is 20 oC and the outer surface is 5 oC. The window
is 7.5 mm thick, and measures 1 m

Jordan University of Science and Technology
Department of Chemical Engineering
Heat Transfer (Ch.E. 346)
Assignment # 5
Problem 1:
Problem 2:
Problem 3:
Problem 4:
Problem 5:
Problem 6:
Problem 7:
Problem 8:
Problem 9:
Problem 10:
Problem 11:

Transient Heat Conduction
Chapter 4
Assess when the spatial variation of temperature is negligible, and
temperature varies nearly uniformly with time, making the simplified
lumped system analysis applicable.
4- 1
Transient Heat Conduction in Large Plane W

Introduction and Basic Concepts
Thermodynamics and Energy, Dimensions and Units,
Thermodynamics Variables, State and Equilibrium,
Processes and Cycles, Temperature and Zeroth Law of
Thermodynamics, Pressure
Introduction and Basic Concepts
Thermodynamics :

Heat Conduction Equation
Chapter 2
Developing the general unsteady-state equation for the
different coordinates
Objectives
Understand multidimensionality and time dependence of heat
transfer, and the conditions under which a heat transfer problem
can be a

Chapter 6: Fundamentals of Convection
ChE 346 Heat Transfer
Department of Chemical Engineering
Jordan University of Science and Technology
Physical Mechanism of Convection
Conduction and convection are similar in that both
mechanisms require the presence

Steady Heat Conduction
Chapter 3
Single plane wall and multi-layer wall, Single hollow
cylinder and multi-layer cylinder, The overall heat
transfer coefficient, The critical thickness of insulation,
Plane wall and cylinder with heat generation, Analysis o

Heat transfer I
*HAPPY
Homework set 3 Due date: 91/1/15
NOROUZ*
1) The boiling temperature of nitrogen at atmospheric pressure at sea level (1 atm pressure) is -196C.
Therefore, nitrogen is commonly used in low-temperature scientific studies since the tem