MCB3033-HEAT TRANSFER
One Term Approximation for Large
Walls, Long Cylinders and Sphere
Open
Lesson outcome
At the end of this class student should be able to:
Analyze heat transfer problem involving variation of
temperature with time and position.
Unde
MCB3033-HEAT TRANSFER
Heat Conduction Equation
Dr. Aklilu Tesfamichael
Department of Mechanical Engineering
Room: 18-03-11
Phone: 05-368-7690
[email protected]
Open
Lesson outcome
At the end of this class student should be able to:
Understand the
MCB3033-HEAT TRANSFER
Heat transfer from the finned surface
Lesson outcome
At the end of this class student should be able to:
understand how finned surfaces enhance heat transfer
and the concept of fin efficiency.
Introduction to heat transfer from fin
MCB3033-HEAT TRANSFER
Critical radius of insulation and
thermal contact resistance
Lesson outcome
At the end of this class student should be able to:
Understand the concept of critical radius insulation and
thermal contact resistance
Evaluate the critic
MCB3033-HEAT TRANSFER
One Term Approximation and
Graphical solutions
Open
Lesson outcome
At the end of this class student should be able to:
analyze heat transfer problem involving variation of
temperature with time and position.
apply the one-term appr
MCB3033-HEAT TRANSFER
Heat transfer from the finned Surface
Examples
Open
Example 1
A plane wall with surface temperature of 350C is attached with
straight rectangular fins with k = 235 W/m.C. The fins are
exposed to an ambient air condition of 25C with a
MCB3033-HEAT TRANSFER
Steady state Heat Conduction
Thermal Resistance Network
Dr. Aklilu Tesfamichael Baheta
Department of Mechanical Engineering
Room: 18-03-11
Phone: 05-368-7690
[email protected]
Open
Lesson outcome
At the end of this class stude
Welcome Back to School
New Semester
Jan 2017
Open
MDB 3033 - Heat Transfer
Open
Lecturer/s
Dr. Aklilu Tesfamichael Baheta
Office
: 18-03-11
Office phone : 05-368-7690
Email
: [email protected]
Open
Prerequisite
Fluid Mechanics I and
ME Thermo
MCB3033-HEAT TRANSFER
Chapter 2: Transient Heat
Conduction
Lumped System Analysis
Open
Lesson outcome
At the end of this class student should be able to:
assess when the spatial variation of temperature is
negligible, and temperature varies nearly unifor
MCB3033-HEAT TRANSFER
Heat Transfer Mechanism
Dr. Aklilu Tesfamichael
Department of Mechanical Engineering
Room: 18-03-11
Phone: 05-368-7690
[email protected]
Open
Lesson outcome
At the end of this class student should be able to:
Understand the b
MCB3033-HEAT TRANSFER
Thermal Resistance Network for
cylinders and spheres
Open
Lesson outcome
At the end of this class student should be able to:
solve heat transfer problems using thermal resistance
network for cylinders and spheres
Open
Heat conductio
MCB3033 HEAT TRANSFER
External Forced Convection
Lecture 1-Flow over flat plates
Lesson outcome:
At the end of the lecture the student should be
able to:
Evaluate the drag and heat transfer associated
with flow over flat plate for both laminar and
turbul
Heat Exchangers
Analysis of Heat Exchangers
1
Objectives
When you finish studying this chapter, you should be able to:
recognize types of heat exchangers, and classify them,
develop an awareness of fouling on surfaces, and
determine the overall heat trans
MCB3033 HEAT TRANSFER
Internal Forced Convection
Lecture 1-Introduction
Dr. Aklilu Tesfamichael Baheta
Department of Mechanical Engineering
Room: 18-03-11
Phone: 05-368-7690
Lesson outcome:
At the end of the lecture the student should be
able to:
Evaluat
MCB3033 HEAT TRANSFER
External Forced Convection
Lecture 3-Flow across tube banks
Dr. Aklilu Tesfamichael Baheta
Department of Mechanical Engineering
Room: 18-03-11
Phone: 05-368-7690
Lesson outcome:
At the end of the lecture the student should be
able to
MCB3033 HEAT TRANSFER
Natural Convection
Lecture 1- Introduction
Lesson outcome:
At the end of the lecture the student should be
able to:
Understand the physical mechanism of natural
convection
Evaluate the Nusselt number for natural
convection associat
MCB3033 HEAT TRANSFER
Fundamentals of Convection
Lecture 2
Outline
Lesson outcome
Newtons law of cooling
Velocity boundary layer
Thermal boundary layer
Laminar and turbulent flows
Lesson outcome:
At the end of the lecture the student should be
able t
MCB3033 HEAT TRANSFER
External Forced Convection
Lecture 2-Flow across
cylinders/spheres
Dr Aklilu Tesfamichael Baheta
Department of Mechanical Engineering
Room: 18-03-11
Phone: 05-368-7690
Lesson outcome:
At the end of the lecture the student should be
a
MCB3033 HEAT TRANSFER
Internal Forced Convection
Lecture 2-Laminar/Turbulent Flow in
Tubes
Lesson outcome:
At the end of the lecture the student should be
able to:
Analyze heating and cooling of fluid flowing tube
under constant surface temperature and
c
The Effectiveness NTU Method
This method is based on a dimensionless parameter called the
heat transfer effectiveness
Q&
Actual heat transfer rate
= & =
Qmax Maximum possible heat transfer rate
(11-29)
The actual heat transfer rate in a heat exchanger
MCB3033 HEAT TRANSFER
Fundamentals of Convection
Lecture 1
1
Convection Heat Transfer
Fundamentals of convection heat transfer
External forced convection over plate, cylinder and
sphere
Internal forced convection in the tube and pipe
Natural convectio
FACULTY OF ENGINEERING
DEPARTMENT OF MECAHNICAL EGINEERING
SOLAR WATER HEATER
SEMESTER JANUARY 2017
HEAT TRANSFER PROJECT
GROUP NO: 29
No
Name
Student ID
20633
1
Wan Mohamad Hafiz Bin Wan Mohd Nasir
2
Ahmad Taufiq Hakimi Bin Abdul Halim
20928
3
Mohamed Ma
FACULTY OF ENGINEERING
DEPARTMENT OF MECAHNICAL EGINEERING
HEAT TRANSFER LABORATORY (MDB 3033)
SEMESTER JANUARY 2017
CONDUCTION HEAT TRANSFER
GROUP NO: 29
Student
ID
20633
No
Name
1
Wan Mohamad Hafiz Bin Wan Mohd Nasir
2
Ahmad Taufiq Hakimi Bin Abdul Hali
Lesson
outcome
At the end of this class student should be able to:
Understand the basic mechanisms of heat transfer, which
are conduction, convection, and radiation.
Understand and apply Fourier's law of heat conduction,
Newton's law of cooling, and the
LECTURE 8
Natural Convection
Inside Enclosures
1
Lesson Outcomes
At the end of this lecture, students should be able to :
Understand natural convection inside enclosures
Understand the correlation at different arrangement (vertical,
horizontal and incline
LECTURE 8
Natural Convection
Inside Enclosures
1
Lesson Outcomes
At the end of this lecture, students should be able to :
Understand natural convection inside enclosures
Understand the correlation at different arrangement (vertical,
horizontal and incline
MDB3033-HEAT TRANSFER
Transient Heat Conduction Analysis
Dr. Khairul Habib
Department of Mechanical Engineering
Room: 19-03-05
Phone: 05-368-7146
[email protected]
Lesson
At the end of this class student should be able to:
outcomes
assess whe
LECTURE 8
Thermal Radiation
Introduction to Radiation
1
Lesson Outcomes
At the end of this lecture, students should be able to :
Understand fundamentals of radiation heat transfer
Understand the use of emissivity and correlation of radiation
heat transfer
MDB3033-HEAT TRANSFER
Heat Conduction Equation
Lesson
outcome
At the end of this class student should be able to:
Understand the heat conduction equation.
Analyze one-dimensional heat conduction involving heat
generation.
Temperature vs heat transfer
T
LECTURE 7
Natural Convection
Introduction
1
Lesson Outcomes
At the end of this lecture, students should be able to :
Understand the fundamentals of natural convection
Understand the development of velocity and thermal boundary
layers in natural convection