1. Mid-Term Review Engr 303I Summer 2009

2. Chapter 1 Economic & Environmental Considerations World Energy Consumption Renewable Energy Sources Non-renewable Energy Sources

3. Chapter 2 Forms of Energy & conversion efficiencies Newton’s 2 nd Law of Motion Energy and Work equations –Understand what they mean –Understand units of work, energy and power Conversion of potential to kinetic energy

4. Chapter 3 Law of Conservation of Energy –Change in total energy is 0 for isolated system –W + Q = 0 Energy Conversion & Efficiencies –Overall efficiencies page 83 Conversion Tables p. B1-B2

5. Chapter 4 Heat & Work & 1 st Law of Thermodynamics What is heat? Heat flow Second Law of Thermodynamics… p. 119

6. Chapter 4 (cont’d) Heat Transfer Principles Conduction Convection Radiation Heat Engines W = Q h – Q c Efficiency of heat engine

7. Chapter 4 (cont’d) The Second Law of Thermodynamics –Energy flow –Maximum Efficiency –Difference between K, o C, o F, R

8. Chapter 5 Q c & Q infil R Insulation Infiltration Degree-Day and its calculation Air conditioning C.O.P. page 151 Total heating load Site selection Given an appliance and its use, calculate the cost of electricity

9. Chapter 6 Insolation Greenhouse effect –Gases Active and Passive solar heating –Example problem page 181

10. Chapter 7 Coal Formation –What environment is required to make coal? –Coal ranking system What is the main product desired from coal gasification?

11. Lecture Material Everything presented in class as lecture notes up to & including Chapter 7 Everything discussed in lecture Films for discussion groups

12. What is allowed for the exam Open notes Open Book Lecture notes from posted ppt Calculator No cell phones No computers