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Hydrogen Fueling Station: St. Louis . Kyle Terry Tibben Zerby Tory Carlsen Zack Tomechko. A Hydrogen City . The objective was to take a city and make convert it from a petroleum run city to a 100% hydrogen and natural gas fueled city.

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hydrogen fueling station st louis

Hydrogen Fueling Station: St. Louis

Kyle Terry

TibbenZerby

Tory Carlsen

Zack Tomechko

a hydrogen city
A Hydrogen City
  • The objective was to take a city and make convert it from a petroleum run city to a 100% hydrogen and natural gas fueled city.
  • Fueling stations that fit the needs for the population of the city was the main objective.
  • The Stations had certain specifications:
    • Both 700 BAR and 350 BAR pump
    • HCNG Fuel available at the station as well
    • Had to have a hydrogen supply and storage method
    • Safety, Environmental Impact and Economic Availability also had to be considered.
station location st louis
Station Location: St. Louis
  • St. Louis Population~360,000
    • Major U.S. City but not too large.
  • Located on the Mississippi River.
    • Great source of hydroelectric power to offset the cost to run the fueling stations
station location st louis1
Station Location: St. Louis
  • Has an existing hydrogen producing plant and dispensing station.
    • Easy to access hydrogen needed to fuel the stations.
  • ~80% of commuters drive their own vehicles to work
    • Larger need for 350 BAR
    • Average commute time is 25.4 minutes
commuting population
Commuting Population
  • 11% age 65 or older
  • 22.3% under 18 appx 19.8% under 16
  • Take these amounts out of population, and assume drivers over 65 will offset with those who do not commute
  • Commuting Population = 250,000 by our estimate
hydrogen vehicles
Hydrogen Vehicles
  • Personal vehicles
    • Average 60 miles/kg
    • Average range of 300 miles
    • ~5 kg each week per car based on the average commute time
      • Fill up once every week on average
  • HOVs
    • Fill up once per day, with an estimated amount to keep the pumps at max capacity
fueling stations plan
Fueling Stations Plan
  • Estimated number of stations in the city
    • 22 stations
    • ~ 1station every 3 square miles
    • Price per station ~$18,523,742
    • Total cost ~ $408 Million
  • Each station will have
    • 10 fuel pumps at 350 BAR
    • 2 fuel pumps at 700 BAR
    • All the amenities most gas stations have
      • Restrooms
      • Snacks and drinks
      • ATM
fueling stations
Fueling Stations
  • Supply and delivery method
    • Pipeline from the production plant located near the Mississippi River
    • Trucks will also help offset the need in isolated booms and times of high demand.
fueling station
Fueling Station
  • Hydrogen produced through electrolysis, so the water cycle will not be upset
  • Storage method
    • The pipeline will lead right to the pressurized storage tank underneath the gas station
    • Trucks will pump the hydrogen into the same tanks beneath the station.
energy production
Energy Production
  • We calculated that we need 23,227 kwh per day per pump through the guide placed on angel
  • We have 264 pumps
  • Total energy equals 6,131,862 kwh per day
  • How will we harvest this energy?
slide12

Hydroelectric Dams

  • Upper St. Anthony’s Dam
  • Near the headwaters of the Mississippi in Minnesota
  • The model for our dam

Photos: Upper- www.johnweeks.com

Lower- earthsci.org

hydropower dam
Hydropower Dam
  • Construct a dam just northof St. Louis.
  • The dam will be 50 feet high and at this point in the river, the river flows at 55,000 cubic ft/s and our dam’s efficiency is 80%
  • 21,560kw per hour, 517,440kwh per day, and 188,860,000 kwh per year.
  • With our dam we will be able to support 23 pumps, 8.4% of them
pros and cons of hydropower
Pros and Cons of Hydropower
  • Pros
    • Energy Efficient
    • Low maintenance
    • Low cost after built
    • Durable, long lasting
    • Clean energy
    • Dam can store rain water for droughts
  • Cons
    • Steep first cost
    • Hazard, could cause flooding
    • Changes environment
    • Blocks sediment deposits
    • Can break and cause catastrophic disaster
      • Johnstown PA 1889
slide15
Wind
  • We still have 5,614,000 kwh per day to harvest for 241 remaining pumps.
  • We will attempt to harvest the remaining through wind
  • Traditional turbines take up space
    • Fields near city not even close to enough area
      • farmers are often unwilling to sell land anyway
    • 640 acres per square mile
      • 40-50 acres per 2 Mw turbine according to Angel resources
vertical axis wind turbines
Vertical Axis Wind Turbines
  • Take up less space than a traditional turbine
  • Can be placed on top of a home
  • Our plan: give a certain number of

homes in the city a wind turbine, promising

to pay for a portion

  • Each turbine creates 1454 kwh per day
  • We calculated a total of 586 wind

turbines would be reasonable

  • Cost is roughly $10 million
    • Government rebates reduce cost to $5 million
vertical axis wind turbine
Vertical Axis Wind Turbine
  • They will generate a total of 852,000 kwh per day
    • 310,996,000 kwh per year
  • This equals 14% of our energy need, or 37 pumps
  • We now have 22.4% of our needed energy by renewable sources
considerations
Considerations
  • Safety
    • Fire Hazard
      • Very hard to detect with the naked eye because it burns in the ultraviolet range.
    • Explosion Hazard
      • The hydrogen is stored at high pressures.
      • Over pressurizing tanks can cause them to burst
        • Projectile hazards
        • Combustion hazard
        • Inhalation hazard
          • Leads to Asphyxiation
considerations1
Considerations
  • Environmental Footprint
    • Hydrogen vehicles have zero harmful emissions
      • They emit only water vapor
    • The energy needed for electrolysis would be offset by the hydroelectric power from the dam on the Mississippi.
considerations2
Considerations
  • Flooding
    • Dams cause flooding, and flooding is already very common in the Mississippi valley
c ost
Cost
  • Population 360,000,
  • Driving population 250,000
  • 22 Stations
    • Roughly 1 station every 3 square miles
      • 10 350bar pumps
      • 2 700bar pumps
    • No production at stations
  • Price per station $18,523,742
  • Total Cost $408 million
st louis a hydrogen city
St. Louis: A hydrogen city
  • With today’s technology there is no way to support the cost of the production and distribution of the hydrogen sustainably
  • It can be done, but using the prevalent outdated power sources of today
  • One positive is that It does eliminate all emissions from vehicles
  • Immediate implementation may not be possible, but perhaps over a large period of time a city could be fully converted
what we learned
What We Learned
  • To make a system efficient and run properly every finite detail must be considered and analyzed.
  • A hydrogen city is possible, but not in a 100% renewable manner.
  • As engineers, we need to continue to work on improving technology and efficiency to reach our final goal: sustainability
sources
Sources
  • www.stlrcga.org/x1832.xml
  • http://new.wvic.com/index.php?option=com_content&task=view&id=8&Itemid=45
  • Helixwind.com
  • www.fueleconomy.gov/feg/fuelcell.shtml
  • US Census Bureau
sources1
Sources
  • http://rnahydropower.com/Calculation%20Of%20Hydro%20Power.pdf
  • www.metric-conversions.org/area/square-miles-to-acres.htm
  • Air Products
  • We also were allowed the use of several resources on Penn State’s Angel
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