SOS 171 - Week 4 Notes
SOS 171 - Week 4 Notes SOS 171
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This 4 page Class Notes was uploaded by Kali Notetaker on Friday September 11, 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 53 views. For similar materials see The Thread of Energy in Sustainability at Arizona State University.
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Date Created: 09/11/15
SOS 171 Week 41 lnclass review from 090315 Notes Potential questions for upcoming tests 0 Which food has the lowest conversion efficiency 0 Beef 95 of energy is lost 0 What would be the incentive to grow and sell beef instead of corn wheat or rye 0 Makes more money 0 What are the highest beef eating countries 0 US Argentina and Australia 0 What s the meaning of embodied energy 0 Embodied energy is all the energy it takes to produce a product 0 What are food miles 0 The distance food travels to get to the 0 Food miles compared to cost of the product Pay more for products that travel a larger distance 0 Factors that drive up the embodied energy cost of any food in the market Other embodied energy in food Planting harvesting processing packaging transportation refrigeration etc o On a map of the united states where is the highest density of transmission lines 0 Greatest in the East 0 What does renewable energy need to overcome More transmission lines are needed in order to supply the rest of the country with the energy produced by renewables Sustained outages or momentary outages which one is more costly for industry Company Intel 0 Momentary outages because when there are outages while making products the entire product needs to be thrown out POTENTIAL ESSAY QUESTION What are the advantages and disadvantages between transmission lines and underground gas lines 0 Gas lines leak causing potential explosions not visible 0 Transmission lines are visible Shelter and Comfort Transportation 0 Questions to answer 0 How much energy is used in transportation Transportation share of US energy consumption 2012 281 Petroleum share of transportation energy consumption 2013 922 60 of trips are less than 6 miles in distance 0 Critical elements in fuel economy The faster a car goes the more horsepower needed 0 The future of transportation use of energy SOS 171 Week 42 Speaker Dr Michael Kuby Optimizing the Rollout of Filling Stations 0 Background on alternative fuels and vehicles Alternatives to petroleum Transportation is almost exclusively relying on petroleum O O O O 90 Why is transportation so reliant on petroleum energy Infrastructure is already available Manufactures Repairs 0 Gas stations Dense in energy in a small weightvolume Why would we like to move away from petroleum An energy resource The amount of money America spends on importing oil 300 billion a year Military aspect spending a large amount of money on protecting the oil ow Keystone project shipping oil from Alberta into the States Major source of local air pollutants Climate change becoming unknown 0 Snow cover decreasing Sea level increasing 0 Surface temperature increase Types of alternative fuels energy carriers Liquid hydrocarbons Biodiesel plants 0 Ethanol Electricity Hydrogen On board storage energy per weight energy per volume Need to keep lique ed fuel cold Or compressed under pressure Well to wheel Chicken and egg problem gt Refueling infrastructure and energy companies Do not want to build refueling stations for hydrogen electricity etc if there are no vehicles being built and vise versa Gasoline fueling station in America 153000 Alternative fueling stations in America 15000 o quotCrossing the valley of deathquot The area most businesses have troubles getting past the point where companies are losing money just before making pro t How to get over this problem Fleets and depots Taxis airport shuttles buses etc Turn these vehicles into using alternative fuels 0 These vehicles go to an area at the end of the day and can recharge or ll up this is where the llup stations begin allowing to break up the chicken and the egg problem Transitioning to the eet to the consumers is considered the difficult part 0 quot Range anxietyquot 0 The fear of running out of battery and not being able to get to the next fueling station or home 0 Review of infrastructure planning methods 0 Station location planning depends on refueling characteristics Slow or fast fuelingcharging Home refuelingrecharging Driving range Single or dual fuel vehicle 0 Geographic Information Systems GIS What and where is the demand to be quotservedquot Zones residential zones for example Most appropriate model Depends on On slide computational requirements data availability etc 0 Survey research results 0 Fueling stations need to be put closest to people work areas and busiest roads 0 The more drivers that drive buy the more that can be suppHed
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