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Lecture Notes on Energy Conversion Systems - II


Course Number and Title: EML 4930/5930, Sustainable Energy Conversion Systems II Term & Year: Spring 2006 Course Meeting Time(s): (thrice weekly for 1 hr. and 15 min.) MWF 1:15 – 2:30 pm Course Meeting Location(s): COB 235


Instructor: Prof. A. Krothapalli
Office: B 342 Office Hours: MWF 11:00 am– 1:00 pm or by appointment
Phone: 644-5885 E mail: (preferred mode of communication) Class URL:


Textbook: Lecture notes


• Solar Electricity, Edited by Tomas Markvart, second edition, Wiley, ISBN: 0-471-98853-7
• Photovoltaic Systems Engineering, Messenger & Ventre, CRC Press, 2000
• Solar Engineering of Thermal Processes, Duffie & Beckmann, 2nd Edition, Wiley Interscience, 1991
• Fuel Cell Systems, Larminie & Dicks, 2nd edition, Wiley. 2003.
• Energy: The solar-hydrogen alternative, Bockris, Halsted Press, 1977.



Prerequisites: EML 4450/5451 or graduate student standing in Engineering or Sciences
This course is a continuation of ECS I, and focuses on solar electricity and hydrogen as a medium of energy. The selection of topics will also provide answers to the question: Is solar electricity and hydrogen-based transportation a practical option?


• (Numbers shown in brackets refer to department educational outcomes – Please ask Dr. Shih to check
these numbers)
1. To provide an understanding of the concept of solar electricity. [1]
2. To provide a comprehensive engineering basis for photovoltaic system design. [1, 3]
3. To provide understanding of solar air-conditioning and refrigeration system design [1,3]
4. To introduce the major methods of large-scale production of hydrogen from water. [1]
5. To provide a survey of energy storage methods. [1, 5, 8]
6. To introduce to modes of transduction and usage of hydrogen


*(Numbers shown in brackets are links to course objectives – check them out)
1. Be able to estimate solar radiation on horizontal and tilted surfaces [1, 4]
2. Be able to analyze the performance of concentrating solar collectors [1, 4]
3. Be able to analyze the performance of a absorption air-conditioning and refrigeration system [1, 4]
4. Be able to understand the physics of solar cells [1]
5. Be able to design and analyze a photovoltaic system for electricity generation [1, 2]
6. Be able to
7. Be able to perform the analysis of an hydrogen production and storage system
8. Be able to understand hydrogen safety and handling issues [3]
9. Be able to design and analyze a PEM based fuel cell stack 3]
10. Be able to carry out design calculations for a fuel cell power system [3]
11. Be able to design solar-hydrogen based system for electricity generation


At the end of the course you should be able to:
1. Develop a suitable design for electricity generation system using solar radiation
2. Understanding the scientific issues related to hydrogen economy
3. Be an advocate of hydrogen generation using solar resources.


Attendance Policy:

Excused Absences: Absence for participation in recognized university activities, properly certified personal illness, or recognized emergencies may be excused by the Dean's office. Please note that the College of Engineering has a restrictive interpretation of what is considered a valid excuse for an absence. If an absence is to be excused, make sure you check beforehand. In case of excused absence, the instructor will work with you to help you make up for missed time and catch up.
Unexcused Absences: A student having more than four unexcused absences will be dropped from the course and assigned the grade F. No exceptions. Tests and exams missed because of unexcused absence receive the grade 0. No exceptions.
Other projects and activities missed completely receive the grade 0 for those projects or activities. No exceptions.

Other Regulations

The Department’s Policy is clearly outlined at the following web location:
It is highly recommended that you read it carefully. Ignorance is not an excuse. Note that the penalties for copying work may result in a failing grade for the course. If you are uncertain, please check with the instructor who assigned the work. Working together is encouraged in this course, but blatant copying is not.

College of Engineering Undergraduate Policy:

As current policy, the College does not use plus +, or minus – grades in engineering courses (p. 4 COE Handbook). A student may continue in the B.S. degree program unless one or more of the following conditions arise (p. 5 of COE Handbook):
a. A grade below C in the second attempt of the same engineering course
b. More than three (3) repeat attempts in engineering courses.
c. Violation of academic honor code as defined in university bulletin or catalog
d. Use of grade forgiveness (currently available for FAMU students only) in more than two (2) courses.


1. Homework
2. Final Project
3. Laboratory assignments


For multi-listed courses refer here to differentiation of requirements for undergraduate and graduate level students.
Grades will be based on the following breakdown of graded work:
Homework 30%
Laboratory 40%
Final Project 30%

Grades will be assigned as

90% and above                         A
80% to 89%                              B
70% to 79%                              C
60% to 69%                              D
less than 60%                           F


Homework and Laboratory reports are due one week after the assignment
Final Project due on the COE exam date


1. Introduction to solar thermal systems
2. Estimation of solar radiation
3. Solar cells
4. Photovoltaic systems engineering
5. Concentrating solar collectors
6. Solar-thermal systems
7. The large scale production of hydrogen from water
8. Energy storage
9. Hydrogen safety aspects
10. Usage of hydrogen – fuel cells
11. Hydrogen based transportation
12. Socio-economic assessment of solar-hydrogen energy supply system
SCIENCE/DESIGN (%): 50%/50%


50% engineering science, applied thermodynamics 50% engineering design, design of thermal systems


Students are expected to uphold the Student Code of Conduct, Academic Honor Code published in their University Bulletin and/or Student Handbook.
Florida A&M Student Code of Conduct published in the Student Handbook 2000-2003, Re: 100.18 Academic Dishonesty, p. 138
The Florida State University Bulletin and the Student Handbook. The Academic Honor System of The Florida State University is based on the premise that each student has the responsibility (1) to uphold the highest standards of academic integrity in the student's own work, (2) to refuse to tolerate violations of academic integrity in the university community, and (3) to foster a high sense of integrity and social responsibility on the part of the university community.
Please see the following web site for a complete explanation of the Academic Honor Code.


Students with disabilities needing academic accommodation should: (1) register with and provide documentation to the Student Disability Resource Center; (2) bring a letter to the instructor indicating the need for accommodation and what type. This should be done during the first week of class.
For more information about services available to FAMU students with disabilities, contact the
Office of Special Programs
Student Union #101
599-3541, FAX 561-2169
FSU students with disabilities, contact the
Student Disability Resource Center 97 Woodward Avenue, South Florida State University Tallahassee, FL 32306-4167 (850) 644-9566 (voice)
(850) 644-8504 (TDD)
(This syllabus and other class materials are available in alternative format upon request.)


This syllabus is a guide for the course and is subject to change without advanced notice.
Level of computer usage: None            Elementary       Intermediate                   Advanced
Modes of Instruction:       Lecture             Lab                   DIS Discussion               Other
Core Curriculum Course:   Yes                   No
Availability to other Majors: Yes                No   Tell A Friend