EVPP 111 Lecture - Energy - Renewable-Alternative Energy - Hydro and Geothermal - Student - Fall 201

EVPP 111 Lecture - Energy - Renewable-Alternative Energy - Hydro and Geothermal - Student - Fall 201

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Unformatted text preview: Energy: RenewableEnergy: Alternative Energy - Hydro Alternative and Geothermal and EVPP 111 Lecture OUTLINE OUTLINE 3 3 Renewable vs. non-renewable energy Renewable energy types Energy: Renewable-Alternative Energy - Hydro and Geothermal Hydro 3 Renewable vs. Non-Renewable Energy 3 Renewable energy Renewable 3 replenish themselves 3 continuously present supply ~3% of world’s energy 3 OUTLINE OUTLINE 3 3 Renewable vs. non-renewable energy Renewable energy types Energy: Renewable-Alternative Energy - Hydro and Geothermal Hydro 3 Renewable energy types 3 hydroelectric 3 tidal/oceanic/wave movement 3 ocean - other 3 geothermal 3 solar 3 wind 3 biomass 3 hydrogen fuel cell Energy: Renewable-Alternative Energy - Hydro and Geothermal Hydro 3 Renewable energy types 3 hydroelectric 3 tidal/oceanic/wave movement 3 ocean thermal 3 geothermal 3 solar 3 wind 3 biomass 3 hydrogen fuel cell Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Hydroelectric (aka hydropower) 3 using flowing water to generate electricity Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 hydroelectric 3 storage technique 3 run-of-river approach Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 hydroelectric 3 Storage technique 3 impoundment 3 pumped storage Impoundment Fig. 16.11a Fig. Hoover Dam Hoover Hoover Dam Okinawa pumped seawater storage power station Tarraleah (hydroelectric) pumped storage power station, Tasmania Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 hydroelectric power potential 3 How pumped storage works (video at How http://www.youtube.com/watch?v=mMvOZSVXlz http://www.youtube.com/watch?v=mMvOZSVXl 8:55) Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Hydroelectric 3 Run-of-river approach 3 diversion iClicker Question #1 iClicker Pumped Pumped storage is an example of the “run-of-river” approach to taking advantage of hydropower. advantage A. true B. false iClicker Question #2 iClicker Impoundment Impoundment is an example of the storage approach to taking advantage of hydropower. hydropower. A. true B. false Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 hydroelectric power use patterns 3 distribution among continents 3 depends on 3 land area topography climate 3 3 Global Per. p. 207a Global Fig. 10.15b Fig. Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 hydroelectric power use patterns 3 supplies ~2.5% of world’s commercial supplies energy energy 3 % electricity by hydropower Norway, ~99% Norway, 3 South America, ~73% 3 Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 hydroelectric power 3 advantages Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 hydroelectric power 3 disadvantages Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 hydroelectric power 3 Disadvantages 3 Loss of spawning habitat to some fish due to Loss blockage of passageway blockage 3 Example: Embrey Dam, near Fredericksburg, VA (see Example: video at http://www.dgif.state.va.us/fishing/embrey_dam.html http://www.dgif.state.va.us/fishing/embrey_dam.html ~1:00) Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 hydroelectric power 3 Three Gorges Dam location 3 size size 3 cost 3 purpose 3 projected consequences projected 3 Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Three Gorges Dam video at Three http://www.theworldisnotflat.com/three-gorges-dam http://www.theworldisnotflat.com/three-gorges-dam (3:24) iClicker Question #3 iClicker Which Which A. A. of the following is not an advantage of not hydropower? hydropower? dams constructed for hydropower can contribute to flood control downstream flood B. hydropower dams can disrupt the migration of B. migratory fish C. as long as humans do not completely disrupt the C. hydrologic cycle, river water is renewable hydrologic D. electricity generated by hydropower is relatively D. inexpensive inexpensive E. hydropower does not directly produce any E. greenhouse gases greenhouse iClicker Question #4 iClicker Which Which of the following is NOT a potential problem associated with the creation of reservoirs (behind a hydroelectric dam)? reservoirs A. A. gain of relatively clean, renewable source of energy energy B. loss of farmland C. relocation of communities D. loss of aquatic ecosystems E. loss of cultural resources Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 hydroelectric 3 tidal/oceanic/wave movement 3 ocean - other 3 geothermal 3 solar 3 wind 3 biomass 3 hydrogen fuel cell Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 tidal/oceanic/wave movement 3 employs same principle as hydroelectric plant 3 general problems 3 use Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 tidal/oceanic/wave movement 3 Types 3 Tides 3 3 at coasts at estuaries at shore at surface in open water Undersea turbines 3 Wave action 3 3 3 Ocean movement 3 Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 tidal/oceanic/wave 3 Large-scale examples currently rare 3 Rance River Estuary, Brittany coast, France 3 Bay of Fundy, Nova Scotia, Canada Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Illustration at Illustration http://www.tidalelectric.com/Technology%20Cycle%20 http://www.tidalelectric.com/Technology%20Cycle%20 3 Animation at Animation http://www.tidalelectric.com/Technology%201Pool%20 http://www.tidalelectric.com/Technology%201Pool%20 Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Animation of tidal power turbines at Animation http://raju.net.in/blog/2008/07/18/how-seagen-tidal-pow http://raju.net.in/blog/2008/07/18/how-seagen-tidal-pow (1:00) Tidal power station on River Rance, France - first commercial use of tidal power Energy: Renewable-Alternative Energy - Hydro and Geothermal and 3 tidal/oceanic/wave 3 Oscillating Water Column (OWC) device Oscillating Oscillating Water Column (OWC) on Islay shoreline Energy: Renewable-Alternative Energy - Hydro and Geothermal and 3 tidal/oceanic/wave 3 Wave energy converter Wave Energy Converter, Orkney Energy: Renewable-Alternative Energy Hydro and Geothermall Hydro 3 Wave energy converter animation (Pelamis) at Wave http://home.clara.net/darvill/altenerg/wave.htm (:54) http://home.clara.net/darvill/altenerg/wave.htm 3 Wave energy converter (Pelamis) video at Wave http://www.youtube.com/watch?v=JYzocwUfpNg&feature=play http://www.youtube.com/watch?v=JYzocwUfpNg&feature=play (4:08) 3 Wave energy converter (OWEC) at Wave http://oceanrenewables.ning.com/video/owec-ocean-wave-ene http://oceanrenewables.ning.com/video/owec-ocean-wave-ene (1:22) 3 Wave energy converter, Wave Dragon, video at Wave http://gcaptain.com/maritime/blog/alternative-energy-from-our-o http://gcaptain.com/maritime/blog/alternative-energy-from-our-o (4:31) Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 hydroelectric 3 tidal/oceanic/wave movement 3 ocean - other 3 geothermal 3 solar 3 wind 3 biomass 3 hydrogen fuel cell Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 ocean – other 3 ocean currents 3 salinity gradients 3 ocean thermal energy Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 ocean thermal energy 3 ocean thermal energy conversion (OTEC) 3 potential 3 daily absorption of energy from solar radiation in tropical oceans = heat daily content of 250 billion barrels of oil (=enough to provide 20,000 times the amount of electricity used in US each day) amount boil a low-boiling point liquid to create a gas which turns a turbine to generate boil electricity condense steam (after it turns a turbine) condense created by subjecting water to a low-pressure environment 3 takes advantage of temperature gradient (of at least 20ºC) to takes 3 3 Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 ocean thermal energy 3 ocean thermal ocean energy conversion (OTEC) 3 Boiling point of Boiling ammonia is -33ºC ammonia 3 3 3 “warm” surface water warm” boils/vaporizes boils/vaporizes ammonia “steam” ammonia turns turbine turns “cold” deep water cold” ammonia ammonia condenses “steam” back to liquid Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 hydroelectric 3 tidal/oceanic/wave movement 3 ocean thermal 3 geothermal 3 solar 3 wind 3 biomass 3 hydrogen fuel cell Geothermal Energy Has Made Significant Progress in US 1922 ­ First Electrical Generation From Geothermal Steam in the U.S. (Source: Geothermal Energy Association) Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 geothermal 3 source Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Geothermal steam extraction video at Geothermal http://www.youtube.com/watch?v=A_NBMSoLyvo& http://www.youtube.com/watch?v=A_NBMSoLyvo& (1:54) Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 geothermal 3 Potential 3 3 Relative to other sources In US and world Hot springs in Steamboat Springs area Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 geothermal 3 Uses 3 electricity Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Enhanced geothermal system video at Enhanced http://www.youtube.com/watch?v=btJ2suHKfls http://www.youtube.com/watch?v=btJ2suHKfls (3:18) (3:18) Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Geothermal steam extraction in California Geothermal geyser fields, video at http://abclocal.go.com/kgo/story?section=news/env http://abclocal.go.com/kgo/story?section=news/env Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 geothermal 3 Uses 3 Space conditioning Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Geothermal heat pump video at Geothermal http://www.youtube.com/watch?v=WnglNYUZYJU http://www.youtube.com/watch?v=WnglNYUZYJU (3:46) (3:46) Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 Geothermal 3 Iceland Krafla Geothermal Power Station, Iceland Iceland’s Blue Lagoon and Svartsengi geothermal power plant Iceland’s Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 geothermal 3 consequences Energy: Renewable-Alternative Energy Hydro and Geothermal Hydro 3 Renewable energy types 3 geothermal 3 New ideas 3 Old coal mines adapted to geothermal energy Old at http://www.inhabitat.com/2008/12/10/heerlen-mine http://www.inhabitat.com/2008/12/10/heerlen-mine (~3:15) The End The ...
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