SOS 171 - Weeks 1-2 Notes
SOS 171 - Weeks 1-2 Notes SOS 171
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This 2 page Class Notes was uploaded by Kali Notetaker on Sunday September 6, 2015. The Class Notes belongs to SOS 171 at Arizona State University taught by Dr. Pasqualetti in Summer 2015. Since its upload, it has received 131 views. For similar materials see The Thread of Energy in Sustainability at Arizona State University.
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Date Created: 09/06/15
SOS 171 Review from 082515 0 First uses Coming full circle 0 Sun to re gt warm at nighttime able to migrate 0 Fire to coal term coking coal gt more energy dense hotter temperatures 0 Coal to oil gt more energy dense easier to transport cleaner convert oil into nearly anything petroleum products 0 Oil to nuclear gt much higher energy density 0 Nuclear to renewable energy solar wind biomass hydro geothermal tidal gt fossil fuels are slow creating and can t keep up to human use 0 Food 0 Surplus of food means more time to create language and specialize also settle in one area for a long period of time instead of following the food supply Coal Castle coal transported to this area 0 Rise of the industrial revolution 0 lronbridge early industrialization in 1750 s where coal iron and water power 0 Coal allowed the beginning of a wholehearted industrialization Coal was moved by boat river initially 0 Coal gt substitute for wood Increasingly used for heat Caused pollution in the air and water Technological advances with coal 0 Water in mines xed 0 Removal strip surface mining mountain top removal 0 Electricity Pearl street station one of the rst places to have electricity 0 Nuclear Power 0 93000 kWh is compared to 16 tons of coal or 1 nickel sized ball of uranium Very rst reactor gt Arco Idaho 0 Advantages o No sulfur nitrogen or carbon emissions 0 No global warming gases 0000 O No odors Compact fuel No large fuelstorage yard No dedicated fuel transport system Displaces need for coal Disadvantages O O 00 000000 Proliferation take a civilian program gt and make weapons military Public perceptions of risk people are worried about nuclear Accidental release of radiation meltdowns Longlived waste risks 25000year halflife 1412 million years Tempting terrorism target Produces electricity only no liquid fuels Lower thermal efficiency needs more water High consumption use of water Geographic and temporal inequalities Centralized control necessary for security fewer people in control of all energy 0 Transition to renewable energy is unlikely
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