46104851 air powered car

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    A PROJECT REPORT

    ON

    AIR POWERED CAR

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    ABSTRACT

    Gasoline, which has been the mainsourceoffuelforthe historyofcars,is

    becoming moreand moreexpensiveandimpractical (especiallyfrom an

    environmentalstandpoint).

    Thesefactorsareleadingcarmanufacturers todevelopcarsfueled byalternativeenergies.

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    INTRODUCTION

    Due toincreasingamount ofpollution,crisisoffuelandincreasingcost offuel weneed to thinkabout alternativeforfuel. Somealternativesforfuel

    aresolarenergy, hydrogen, bio-gasandcompressednaturalgas.

    Airpoweredcarsare zeropollutioncars which willusecompressedairor

    nitrogengasinsteadofgasolinefuels. It willnot onlyreduce thecost of

    fuel but willalsoenvironment friendlyandit isarenewablesourceunlike

    gasoline.

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    Thereare two typesofairpoweredcars i.e.

    (1) Working bycompressedair

    (2) Working bynitrogengas

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    COMPRESSED AIR CAR

    INVENTION OF SYSTEM:

    Guy Niger, thought that hecoulddevelopanengineandsellit to thelarge

    automotive manufactures.

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    WORKING OF SYSTEM:

    Basic components of Air Powered car are as shown in fig.

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    Theairengineisanemission-freepistonengineusingcompressedair.Twostrokeengine Sisused incompressedaircar.

    Two stroke engine

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    SYSTEMS:

    Distribution and valves:

    Thissystem runsonverylittleenergyandaltersneitherthevalvephase

    noritsrise.

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    Gear box:

    Gearchangesareautomatic,powered byanelectronicsystem

    developed by MDI. A computerwhich controls thespeedofthecariseffectivelycontinuouslychanginggears .

    Thelatest ofmanypreviousversions, thisgearboxachieves the

    objectiveofseamlesschangesand minimum energyconsumption.

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    Pistone Working

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    MDIsvehicle's havefibreglass bodies which makes them light,silent

    urbancar. Thecar's bodyis tubular,light weight,andis held togetherusing

    aerospace technology.

    Thevehiclesdonot havenormalspeedgauges. Instead, they will havea

    smallcomputerscreen that shows thespeedandenginerevolutions.

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    FUEL AND RECHARGING:

    Airtanks madeofcarbonfiberarefixed to theundersideofthevehiclecan

    holdabout 79 gallons (300 liters) ofair. Thiscompressedaircanrun thecar

    forup to 124 miles (200 km) at a topspeedof60 milesperhour(96.5 kph).

    Alternativeenergiessuch assolarpowerorwindpowerorevennuclear

    powercould beused topowerthecompressorsifavailable, toresult in zero

    carbonemissions.

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    Whenyour tanknearsempty,youcan just pulloverandfill theairat

    nearest airpump whereairtankisfilled byusinga high pressureairpump,

    which will takeabout 2 to 3 minutes.

    Theairiscompressedat pressureabout 150 times therate weput intocartyresorinto bicycle

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    FUEL COST:Thepriceofafull tankofairwould beabout 1.50 euros (86.35 rupees)

    MILEAGE:Thecarwith full tankofaircanrunuptoabout 300 kilometers (200

    kilometersin trafficareas).

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    OIL REQUIREMENT:

    Thecar's motordoesrequireasmallamount ofoil. About .8liters worth that thedriverwill have tochange just at every31,000 miles (50,000 km).

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    ADVANTAGES:

    Cheap

    Light in weight

    Cool Exhausting

    Safety

    Powerrecovery

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    ADVANTAGES OVERGASOLINE FUELS

    Cost ofgasolineisincreasingday byday; moreoverit isnot environment

    friendly.

    Gasolinefuelisalsonot arenewablesource,so that it willeventuallyrun

    out.

    Insomecaseofaccidents thereisalsoachanceofexplosion.

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    LIMITATIONS:

    Engineofthecarbecomescolddue toadiabaticexpansionwhen theairrunsout from it andlossesitsefficiency.

    At thesupplystation,compressing theairheatsit,andifthendirectly transferredina heatedstate to thevehiclestorage tanks will thencoolandreduce thepressure. Ifcooled before transfer, theenergyin this heat will belost.

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    WORKING BYNITROGENGAS

    (CRYOGENIC ENGINE)

    Anotherversionofanair-poweredcaris beingdeveloped by

    researchersat the UniversityofWashingtonusing theconcept ofa

    steam engine,except thereisnocombustion.

    The Washingtonresearchersuseliquid nitrogen as thepropellant for

    theirLN2000 prototypeaircar.

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    Theresearchersdecided tousenitrogen becauseofitsabundancein theatmosphere (nitrogen makesupabout 78 percent ofthe Earth's

    atmosphere) and theavailabilityofliquidnitrogen.

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    However, becausealiquidnitrogen-propelledcarwill belighter, theresearchers thinkthat a 60-gallon (227 liters) tankwillgive the LN2000

    apotentialrangeofabout 200 miles (321.8 km).

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    COMPONENTS:l

    Therearefivecomponentsofthe LN2000 engine.

    A 24-gallonstainlesssteel tank.

    Apump that moves theliquidnitrogen to theeconomizer.

    Aneconomizerthat heats theliquidnitrogen with leftoverexhaust heat.

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    CONCLUSION

    With gaspricessoaringover thepast years,it might not belong before

    many motorists turn tovehiclespowered byalternativefuels.

    Although air-poweredvehiclesarestill behind theirgasoline

    counterparts whenit comes topowerandperformance, theycost less to

    operateandarearguably moreenvironment friendly, which makes them

    attractiveas thefutureofhighway transportation.

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    References

    www.howstuffworks.com

    www.wikipedia.com

    www.mdicars.com

    www.pneumaticoptionsresearchlibrary.com www.aircaracess.com

    www.news.bbc.co.uk

    www.theaircar.com

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    Thankyou