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Experiment:

Steam Turbine

By: Kobe Lai

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Contents

PurposeHypot

hesisMaterialsProcedureObservatio

nsConclusionTheBigIdeaResources

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Purpose Thepurp

oseofthisexperimentistounderstandthebasicmechanism ofasimplesteamturbine,howtobuildone,andidentifyformsofenergy,including

heatand steam.

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Hypothesis Ithinkthatthesteam

risingfromtheholewillpushandspinthewheel

bladealong.

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Materials1)D

rinksCan2)BarbecueStick3)Thickfoilfoodtr

ay

4)Screw5)Scissors6)Water7)GasCooker

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Procedure 1.P

unchtwoholesintothetopofafullsoftdrinkscan,oneinthemiddleandoneonthe

side1.5cmaway. 2.Emptythedrinkandpour100mlofwater

intotheemptycan. 3.Cutacircleof8cm

diameterfromthefoiltrayandsnipintowardsthecenterof

thecirclelikethepictureol

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Procedure

4.Twistthecircles

bladesandpokeahole

inthecenter. 5.Cutastripof

20x3cmfromthefoil

tray,punchaholeinthe

middleofthestrip.

6.MakeaU-shaped

standwiththestripon

topofthedrinkscanand

screwthescrewintothe

stripsholeandmiddle

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Procedure 7.Pokeaholeinth

stand5cmuponeach

side,pushthestickinto

theholesandcarefully

threadingthewheelas

well. Thesteamturbineis

readyfortesting!

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Observations

Duringtheexperiment,Isawthatwhenthewheelbladewasbeingb

lownbythesteam,itspunandthendriftedofftotheside. Thishappenedbecausethewheelwasntstableanditcouldmoveaboutonthe

stickwhenthesteam

blewit.

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Video

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Conclusion Inthisexperiment, Isawminordefectsinthesteamturbine.The

wheelbladewasdrifting

awaytoomuchwhenthesteamcamerisingandthestandwas

nt

thatstable.Thismade

thesteamturbineinefficient.

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THE BIG IDEA Th

eself-madesteam

turbinerelatedtothe

moderndaysteam

turbine. Theboilingwaterin

thepowerplantsteam

turbineturnsintosteam,

thesteamturnsthe

turbine,andtheturbine

generateselectricity

whichistransferredto

theelectricitywires.

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Resources

1.ConservationofEnergyandResourcesBooklet2.Pictureon12thslide-http://www.txucorp.com/responsibili

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