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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2126/CH4/EX4.2 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2126/CH4/EX4.2')
| -rwxr-xr-x | 2126/CH4/EX4.2/2.sce | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/2126/CH4/EX4.2/2.sce b/2126/CH4/EX4.2/2.sce new file mode 100755 index 000000000..702856993 --- /dev/null +++ b/2126/CH4/EX4.2/2.sce @@ -0,0 +1,37 @@ +clc
+clear
+
+//input data
+M1=3 //Mach number at entry
+P1=1 //Static Pressure at entry in atm
+T1=300 //Static Temperature at entry in K
+q=300 //The heat transferred per unit mass flow in kJ/kg
+R=287 //Gas constant in J/kg-K
+Cp=1.005 //Specific heat of dry air in kJ/kg-K
+
+//calculation
+t1=2.8 //Temperature ratio at entry from gas tables (M=3,k=1.4,isentropic)
+To1=t1*T1 //Total stagnation temperature at inlet in K
+p1=0.0272 //Pressure ratio at entry from gas tables (M=3,k=1.4,isentropic)
+Po1=P1/p1 //Stagnation Pressure at entry in atm
+p2=0.176 //Static Pressure ratio at critical state from gas tables (Rayleigh,k=1.4,M=3)
+Pt=P1/p2 //Static critical pressure in atm
+p3=3.424 //Stagnation Pressure ratio at critical state from gas tables (Rayleigh,k=1.4,M=3)
+Pot=Po1/p3 //Stagnation critical pressure in atm
+t2=0.281 //Static temperature ratio at critical state from gas tables (Rayleigh,k=1.4,M=3)
+Tt=T1/t2 //Static critical temperature in K
+t3=0.654 //Stagnation temperature ratio at critical state from gas tables (Rayleigh,k=1.4,M=3)
+Tot=To1/t3 //Stagnation critical temperature in K
+To2=(q/Cp)+To1 //Stagnation exit temperation in K
+t4=(To2/Tot) //Stagnation Temperature ratio at exit
+M2=1.6 //Mack number at exit from gas tables (Rayleigh,t4)
+p4=0.524 //Static Pressure ratio at exit from gas tables (Rayleigh,t4=0.866,M=1.6)
+P2=p4*Pt //Static Pressure at exit in atm
+p5=1.176 //Stagnation Pressure ratio at exit from gas tables (Rayleigh,t4=0.866,M=1.6)
+Po2=p5*Pot //Stagnation Pressure at exit in atm
+t5=0.702 //Static temperature ratio at exit from gas tables (Rayleigh,t4=0.866,M=1.6)
+T2=t5*Tt //Static exit temperature in K
+d2=P2*101325/(R*T2) //density of air at exit in kg/m^3, P2 in N/m^2
+
+//outpur
+printf('(A)The Mach numer at exit is %3.1f\n (B)Static Pressure at exit is %3.3f atm\n (C)Static exit temperature is %3.2f K\n (D)density of air at exit is %3.4f kg/m^3\n (E)Stagnation exit temperation is %3.2f K\n (F)Stagnation Pressure at exit is %3.2f atm',M2,P2,T2,d2,To2,Po2)
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