University:
Swansea University
Course:
EG-086 | Engineering Science
Academic year:

2023
Views:

315

Pages:

2
Author:

Lloyd R.

"Gray to God"23)Gas DynamicsApplications:1) High Rocket speed Annodynamics Missileand propulsion2)3) steam and gas turbines4) High speed turbo compressors.whichtheflow: It is that type of point flow to in point, ie;compressible density the density of the is fluid not changes constant for the fluidIncompressibl- eg. flow: Densty of the fluid is constent.cases and vapauseg: (M) : It is de fined as of the sound vato of theLiquidsfluid ie volocityMach Number and the C local C- selocity velority fluidofM-aa- local volicity of Sound,volocity of sound a) : It is the volecty which 4 a sound small is aFluid medium. or the speed withdisturbance is transmitted through the fluid,r = Rato of specific heata =FRTR= gas ConstalTo TemperatureStagnation stateisto It Zew velocity dated at by zero electiciting elevates a gas insetthopicallydecethe stagnator properties the third.The properties of the of fluid at stagnation state anege stagnation Temp, stagnation pressure, Stagnator Denistagration enthalpu et - (*) stagnator "Emperatur(To):It is the temperature of the gas when it isateverythopically elevator, decelerated to new videcity LeooWhere M - Mad Number - a cTo It r-l M2=2TTo= stagnation temps,T- state Temp.holews)(+) signation pressure (Po)tougretoIt is the pressure of the gas when elevation it is sentropicallydecolvated to zero valacity at Zeto5P. stagnation pressureif = + 8-1 9 2 M2 T-1P= state pressure.M- Mach number.P:o-xp 91S( ) ) stagnation donality (P.)2652- -gbcarry 5-1 velocityIt is decelareted the density P xeto of the gas at when SAY zen it elevator is isentropi-Po P - 11 5-1 2 M27attend NO s fal mostNlAnl+9nl(+) stagnation veloury of Sound(a.]Attovelcury of and Toa= TRTnb)--put a-a and T-Nao- TR To.6H96(AbAbtItsits90At'ifA