Chapter 19: Fuel from the FieldsFossil fuels and Bio-fuelsPressure, Volume and TemperatureInternal Combustion EngineGasoline Versus DieselSlide 6Why Bio-diesel?Works CitedChapter 19: Fuel from the Chapter 19: Fuel from the FieldsFieldsBrian GamelBrian GamelTDE 276TDE 276October 2009October 2009Fossil fuels and Bio-fuelsFossil fuels and Bio-fuelsFormed from decaying matter.Formed from decaying matter.Crude oil → Gasoline, Diesel fuelCrude oil → Gasoline, Diesel fuelMade from vegetables.Made from vegetables.Vegetable oil = Bio-dieselVegetable oil = Bio-dieselPressure, Volume and TemperaturePressure, Volume and TemperaturePressure, volume and temperature are Pressure, volume and temperature are all related.all related.P α T/VP α T/VInternal Combustion Internal Combustion EngineEngineIntake Stroke → Intakes airIntake Stroke → Intakes airCompression Stroke → Compresses airCompression Stroke → Compresses airPower Stroke → Ignition of air/fuelPower Stroke → Ignition of air/fuelExhaust Stroke → Exhausts smokeExhaust Stroke → Exhausts smokeGasoline Versus DieselGasoline Versus DieselGasoline engine utilizes an air/fuel Gasoline engine utilizes an air/fuel mixture that is ignited by a spark.mixture that is ignited by a spark.Diesel engine compresses air only and Diesel engine compresses air only and injects fuel, causing ignition.injects fuel, causing ignition.Gasoline Versus DieselGasoline Versus DieselGasoline combustion produces a high Gasoline combustion produces a high volume of green house gases.volume of green house gases.Diesel combustion produces soot.Diesel combustion produces soot.Why Bio-diesel?Why Bio-diesel?Bio-diesel still emits carbon but in return Bio-diesel still emits carbon but in return the plants used to make the fuel need the plants used to make the fuel need carbon to grow.carbon to grow.If 1000 gallons of bio-diesel are burnt it If 1000 gallons of bio-diesel are burnt it will produce the same amount of carbon will produce the same amount of carbon as one acre of plants will absorb.as one acre of plants will absorb.Works CitedWorks CitedTickell, Joshua. “Fuel from the Fields." Tickell, Joshua. “Fuel from the Fields." Engineering the Future: Science, Engineering the Future: Science, Technology, and the Design ProcessTechnology, and the Design Process. Key . Key Curriculum Press. Emeryville, CA, 2008. Curriculum Press. Emeryville, CA, 2008.
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