ENES 181 Lecture 3: Sustainable Energy

• School: University of Maryland
• Department: Engineering Science
• Course: ENES 181
• Professor: Daryll Pines

Document Summary

Guest speaker: dr. eric d wachsman, director, maryland energy innovation institute. As a country"s avg income inc, power consumption inc. If countries w larger pop than us (india, china) obtain us standard of living, they will consume more energy. Co 2 in atmosphere (greenhouse gas) inc temperature inc proven correlation. Hard to predict how much sea level will rise in future. Southeast asian countries disappearing due to rise. Us lifestyle is ruining lifestyles of other countries. Nuclear power - plants typically near bodies of water. Natural gas - pipelines carry, wells are where natural gases are. Solar - best in arizona areas, states with best solar radiance don"t have most solar insulation. Us energy sources: biggest = petroleum, natural gas, coal. Us energy consumption: biggest = transportation, then industrial, then residential, them commercial. 67% of energy we produce is wasted. Commercial and residential efficiency is about 65% but this energy comes from electricity which is 33% efficiency.