Heat Exchangers
Prepared and compiled
by Engr. Alex Atienza
Learning Objectives
LO40: Explain and apply the over-all heat transfer
coefficient for pipe exposed to air and steam.
(CO2)
LO41: Develop an awareness of fouling on surfaces,
and determine the ov

External Forced ConvectionProblems and Internal Forced
Convection
Prepared and compiled by Engr. Alex
Atienza
Learning Objectives
LO25: Develop an intuitive understanding of friction and
pressure drag, and evaluate average and convection
coefficients in e

Natural Convection
Prepared and compiled
by Engr. Alex Atienza
Learning Objectives
LO29: Explain the physical mechanicsm of natural
convection. (CO1)
LO30: Derive the governing equations of natural
convection, and obtain the dimensionless Grashof
number b

Introduction
Mechanisms of heat transfer
Heat exchangers
Pumps
Heat transfer and pipe ow
Professor Eric S Fraga
Room 2.05 Engineering Front Building
Department of Chemical Engineering
UCL
c 2009
Heat transfer and pipe ow
1 / 104
Introduction
Mechanisms of

Convection
Prepared by Engr. Alex Atienza
Learning Objectives
LO21: Explain the physical mechanism of
convection, and its classification. (CO1)
LO22: Show the development of velocity and
thermal boundary layer during flow over
surfaces. (CO1)
LO23: Gain a

Solutions for Convection Equations
For a Flat Plate and Forced
Convection
Prepared and Compiled By:
Engr. Alex Atienza
Learning Objectives
LO24: Distinguish between laminar and
turbulent flows and understand the mechanisms
of momentum and heat transfer in

Heat Transfer
Compiled and Prepared by:
Engr.Alexander Hamilton S. Atienza
Thermodynamics-Terminologies
Heat transfer is the science that seeks to predict the energy
transfer that may take place between material bodies as a
result of a temperature differe

Thermal Conductivity, Thermal
Resistances and Steady State
Conduction
Prepared and Compiled by
Engr. Alexander Hamilton S. Atienza
At the end of the lesson, the
student will be able to
LO6 :Explain the concept of thermal resistance
and its limitations. (C

Heat Transfer of Cylindrical and
Spherical Surfaces and Critical
Radius of Insulation
prepared and compiled by Engr.
Alexander Hamilton S. Atienza
Learning Objectives
LO10: Develop thermal resistance networks for conduction in
cylindrical and spherical wa

Heat Transfer in Common
Configuration
Prepared and compiled
by Engr. Alex Atienza
Learning Objectives
LO17: Obtain analytical solutions fo. Two
dimensional conduction problems.
LO18: Solve problems involving twodimensional
conduction. (CO3)
LO19: Apply co