Solution Manual for Rocket Propulsion, 1st Edition by Stephen D. Heister, 9781108422277, Covering Chapters 1-13 Includes Rationales 2

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I. Introduction to Propulsion
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A. Goal: Create a Force to Propel a Vehicle
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Twocoptions:c
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1.cTakecmasscstoredcincacvehiclecandcthrowcitcbackwardsc(rocketcpropulsion).cUsecthec
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expandcPropellantc--->ccburncc---
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Q1c(PDF)c
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2.cSeizecmasscfromcthecsurroundingscandcsetcthecmasscincmotioncbackwards.cUsecthecreactionc
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Continuously:ca)cDrawcincair.c
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b) Compresscit.c
c) Addcfuelcandcburnc(convertcchemicalcenergyctocthermalcenergy).c
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e.2)cOrcexpandcincacsecondcturbinec(extractcwork),cusecthisctocdrivecacshaftcfo
rcacfanc(turbofan),corcacpropellerc(turboshaft).cThecfancorcpropellercimpartck.e
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*Remember:c
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Overallcgoal:ctakecatcVoc(flightcspeed),cthrowcitcoutcatcVoc+cDVc
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Q2c(PDF)c
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Figurec1.1cSchematicscofctypicalcmilitarycgascturbinecengine:cJ57cturbojetcwithc
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Figurec1.2cActypicalchighcbypass-ratiocturbofanc(AdaptedcfromcPrattc&cWhitney).c
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Forcmorecexamplescofcrealcworldcpowerplants,creferctocHill,cP.candcC.c
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B. Performance Parameters
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Thectwocperformancecparameterscofcgreatestcinterestcforcacpropulsioncsystemcarecthecforcecitcproducesc
(thrust,cT),candcthecoverallcefficiencycwithcwhichcitcusescenergyctocproducecthiscforcec(hoverall).cWecwil
lcbegincbyclookingcatcthecproductioncofcthrustcusingcthecintegralcformcofcthecmomentumctheorem.cIncthecs
econdclecturecwecwillcdiscusscthecefficiencycofcpropulsioncsystems.c
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C. Propulsion is a systems endeavor
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Therecarecacmultitudecofcothercfactorscwhichcacpropulsioncengineercmustctakecintocaccountcwhencdesigningcac
devicecincludingcweight,ccost,cmanufacturability,csafety,cenvironmentalceffects,cetc.cThuscpropulsioncisctruly
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Fluidsc+cthermoc+cstructuresc+cdynamicsc+ccontrolsc+cchemistryc
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WecwillcfocuscmostlyconcthesectwocdisciplinescincthecUnifiedcpropulsionclectures.c
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