Honors Env Sci 7 Dec 2009

• Today: This is the only day in class you will have to work on lab reports – please ask questions and get as much done as possible

• Tomorrow: We will start a unit discussion on energy generation (How do we power our power plants?)

Honors Env Sci 8 Dec 2009

• Today: Introduction to electrical energy generation – hydropower examples

• Homework: Work on heats of combustion lab report

• Warm up question: List at least Five different types of electrical generation plants – which do you think supply your electricity?

Honors Env Sci 9 Dec 2009• Today: Steam generation and cogeneration

• Most steam generators are fueled by combustion of fossil fuels, but not all

• Nuclear power and geothermal power plants also use steam generation & hydrogen and waste combustibles

• Steam turbines are not the only type of turbine• Hot exhaust gases can also directly be used in what’s

called a “gas turbine”• We will look at a case study – the power plant at

Bucknell University

Honors Env Sci 10 Dec 2009

• Today: Nuclear Power– History– Technology– Pros and Cons– The weapons connection