Date post: | 22-Dec-2015 |
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Compressed Natural Gas Compressed Natural Gas VehiclesVehiclesIan PetersenIan Petersen
Energy DensityEnergy Density
Source: NYSERDASource: NYSERDA
StorageStorage
Cost of 10 gge CNG Cylinder by Type
0
200
400
600
800
1000
1200
1400
1600
Steel Reinforced AluminumReinforced
Composite
US
D
Empty Weight of 10 gge Storage
0
50
100
150
200
250
300
Gasoline Tank Steel Reinforced AluminumReinforced
Composite
Po
un
ds
CNG Storage VesselsCNG Storage Vessels
3 Distinct Categories3 Distinct Categories Plain Metal CylinderPlain Metal Cylinder Fiber Wrapped Metal CylinderFiber Wrapped Metal Cylinder CompositeComposite
The CNGVThe CNGV
Image: http://www.cng.cz/miranda2/export/sites/www.cng.cz/en/natural_gas/Natural_Gas_Vehicles/design_imgs/04_4_01a_eng.jpg
RefuelingRefueling
Slow FillSlow Fill FuelmakerFuelmaker 0.46 gge/hr0.46 gge/hr Residential Natural GasResidential Natural Gas
Fast FillFast Fill About the same fill rate as conventional gas About the same fill rate as conventional gas
stationsstations Few and far betweenFew and far between
Fast Fill CNG StationsFast Fill CNG Stations
777 Stations777 Stations 150:1150:1Image:http://www.afdc.energy.gov/afdc/fuels/natural_gas_locations.htmlImage:http://www.afdc.energy.gov/afdc/fuels/natural_gas_locations.html
Combustion and EmissionsCombustion and Emissions
130 Octane rating130 Octane rating 12.5:112.5:1
Emissions reduction based on Gasoline EnginesEmissions reduction based on Gasoline Engines NONOxx by 30-60% by 30-60%
CO by 90-97%CO by 90-97% COCO22 by 25% by 25%
NMHC 50-75%NMHC 50-75%
SafetySafety
Relief ValvesRelief Valves Shutoff ValvesShutoff Valves Tank DesignTank Design Buoyancy of CNGBuoyancy of CNG CNG LEL 5% CNG LEL 5% UEL 15%UEL 15%
Images: Images: http://www.sealancers.org/Articles/tanks/tank3.jpg (top left), Powertech (top left, bottom)
Case Study: Honda GxCase Study: Honda Gx Engine: 113hp 1.8L I-4Engine: 113hp 1.8L I-4 Fuel Efficiency: 24/36/28Fuel Efficiency: 24/36/28 Fuel Capacity: 8.03 ggeFuel Capacity: 8.03 gge Range: 225 milesRange: 225 miles
Image:http://automobiles.honda.com/civic-gx/exterior-photos.aspxImage:http://automobiles.honda.com/civic-gx/exterior-photos.aspx
Other CNGVsOther CNGVs
Conversions KitsConversions Kits Diesel/CNG mix fuelDiesel/CNG mix fuel Dual Fuel: Gas/CNGDual Fuel: Gas/CNG CNG Electric HybridsCNG Electric Hybrids
ICEICE TurbineTurbine
Questions?Questions?
Images: NYSERDA and Honda Gx websiteImages: NYSERDA and Honda Gx website