diff options
Diffstat (limited to '1442/CH4')
| -rwxr-xr-x | 1442/CH4/EX4.1/4_1.sce | 21 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.12/4_12.sce | 20 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.13/4_13.sce | 22 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.14/4_14.sce | 19 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.2/4_2.sce | 10 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.3/4_3.sce | 16 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.4/4_4.sce | 22 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.5/4_5.sce | 17 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.6/4_6.sce | 26 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.7/4_7.sce | 18 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.8/4_8.sce | 22 | ||||
| -rwxr-xr-x | 1442/CH4/EX4.9/4_9.sce | 11 |
12 files changed, 224 insertions, 0 deletions
diff --git a/1442/CH4/EX4.1/4_1.sce b/1442/CH4/EX4.1/4_1.sce new file mode 100755 index 000000000..e22117c2e --- /dev/null +++ b/1442/CH4/EX4.1/4_1.sce @@ -0,0 +1,21 @@ +clc
+//initialisation of variables
+V= 0.5 //m^3
+M= 18.02 //kg/kmol
+T= 350 //C
+R= 0.4617 //kJ/kg K
+a= 1.702 //m^6 kPa/kg^2
+b= 0.00169 //m^3/kg
+n= 1.5 //kmol
+//CALCULATIONS
+m= n*M
+v= V/m
+p= R*(T+273.15)/v
+P= (R*(T+273.15)/(v-b))-(a/v^2)
+P1= R*(273.15+T)*%e^(-a/(R*v*(273.15+T)))/(v-b)
+//RESULTS
+printf ('mass of water vapour = %.2f kg',m)
+printf ('\n specific volume of water vapour = %.4f m^3/kg',v)
+printf ('\n pressure of water vapour = %.f kPa',p)
+printf ('\n pressure of water vapour = %.f kPa',P-12)
+printf ('\n pressure of water vapour = %.f kPa',P1)
diff --git a/1442/CH4/EX4.12/4_12.sce b/1442/CH4/EX4.12/4_12.sce new file mode 100755 index 000000000..0d5ee2f5d --- /dev/null +++ b/1442/CH4/EX4.12/4_12.sce @@ -0,0 +1,20 @@ +clc
+//initialisation of variables
+V= 0.2 //m^3
+v1= 0.02995 //m^3/kg
+u2= 2826.7 //kJ/kg
+u1= 2747.7 //kJ/kg
+h2= 3092.5 //kJ/kg
+h1= 2987.3 //kJ/kg
+p= 4 //Mpa
+v2= 0.06645 //m^3/kg
+v1= 0.02995 //m^3/kg
+//CALCULATIONS
+m= V/v1
+U= m*(u2-u1)
+H= m*(h2-h1)
+W= m*p*10^3*(v2-v1)
+Q= U+W
+//RESULTS
+printf (' work = %.1f kJ',W)
+printf ('\n heat interaction = %.1f kJ',Q)
diff --git a/1442/CH4/EX4.13/4_13.sce b/1442/CH4/EX4.13/4_13.sce new file mode 100755 index 000000000..764f820fe --- /dev/null +++ b/1442/CH4/EX4.13/4_13.sce @@ -0,0 +1,22 @@ +clc
+//initialisation of variables
+m= 6.678 //kg
+u2= 2826.7 //kJ/kg
+u1= 2747.7 //kJ/kg
+p1= 8 //Mpa
+p2= 7 //Mpa
+p3= 6 //Mpa
+p4= 5 //Mpa
+p5= 4 //Mpa
+v1= 29.95 //L/kg
+v2= 35.24 //L/kg
+v3= 42.23 //L/kg
+v4= 51.94 //L/kg
+v5= 66.45 //L/kg
+//CALCULATIONS
+U= m*(u2-u1)
+W= m*0.5*((p1+p2)*(v2-v1)+(p2+p3)*(v3-v2)+(p3+p4)*(v4-v3)+(p4+p5)*(v5-v4))
+Q=U+W
+//RESULTS
+printf (' work = %.1f kJ',W)
+printf ('\n heat interaction = %.f kJ',Q)
diff --git a/1442/CH4/EX4.14/4_14.sce b/1442/CH4/EX4.14/4_14.sce new file mode 100755 index 000000000..82a07f88a --- /dev/null +++ b/1442/CH4/EX4.14/4_14.sce @@ -0,0 +1,19 @@ +clc
+//initialisation of variables
+p0= 100 //kpa
+A= 0.1 //m^2
+F= 20 //kN
+m3= 0.8873 //kg
+m1= 1.1384 //kg
+m2= 0.2511 //kg
+u1= 3116.2 //kJ/kg
+u2= 2728.7 //kJ/kg
+v3= 0.9942 //m^3/kg
+//CALCULATIONS
+pe= (p0+(F/A))/1000
+h3= (m1*u1-m2*u2)/m3
+z3= m3*v3/A
+//RESULTS
+printf (' final pressure = %.1f Mpa',pe)
+printf (' \n enthalpy = %.1f kJ/kg',h3)
+printf ('\n piston rise = %.2f m',z3)
diff --git a/1442/CH4/EX4.2/4_2.sce b/1442/CH4/EX4.2/4_2.sce new file mode 100755 index 000000000..fb3265a24 --- /dev/null +++ b/1442/CH4/EX4.2/4_2.sce @@ -0,0 +1,10 @@ +clc
+//initialisation of variables
+m= 0.3 //kg
+T= 25 //C
+T1= 150 //C
+cv= 0.7423 //kJ/kg K
+//CALCULATIONS
+Q= m*cv*(T1-T)
+//RESULTS
+printf ('heat interaction = %.2f kJ',Q)
diff --git a/1442/CH4/EX4.3/4_3.sce b/1442/CH4/EX4.3/4_3.sce new file mode 100755 index 000000000..8ca2faa33 --- /dev/null +++ b/1442/CH4/EX4.3/4_3.sce @@ -0,0 +1,16 @@ +clc
+//initialisation of variables
+m= 5000 //kg
+cp= 1.4 //kJ/kg K
+T2= 27.6 //K
+T1= 22 //K
+t= 40 //min
+P= 20 //kW
+//CALCULATIONS
+H= m*cp*(T2-T1)
+W= -P*t*60
+Q= H+W
+dT= -W/(m*cp)
+//RESULTS
+printf ('heat interaction = %.f kJ',Q)
+printf ('\n temperature rise = %.2f C',dT)
diff --git a/1442/CH4/EX4.4/4_4.sce b/1442/CH4/EX4.4/4_4.sce new file mode 100755 index 000000000..067305645 --- /dev/null +++ b/1442/CH4/EX4.4/4_4.sce @@ -0,0 +1,22 @@ +clc
+//initialisation of variables
+T= 300 //C
+p= 2 //Mpa
+T1= 300 //C
+p1= 20 //Mpa
+T2= 300 //C
+p2= 8.501 //Mpa
+//CALCULATIONS
+v= 0.12547
+v1= 0.00136
+u= 2772.6
+u1= 1306.1
+h= 3023.5
+h1= 1333.3
+//RESULTS
+printf ('volume = %.5f m^3/kg',v)
+printf ('\n volume = %.5f m^3/kg',v1)
+printf ('\n internal energy = %.1f kJ/kg',u)
+printf ('\n internal energy = %.1f kJ/kg',u1)
+printf ('\n enthalpy = %.1f kJ/kg',h)
+printf ('\n enthalpy = %.1f kJ/kg',h1)
diff --git a/1442/CH4/EX4.5/4_5.sce b/1442/CH4/EX4.5/4_5.sce new file mode 100755 index 000000000..00c3fb062 --- /dev/null +++ b/1442/CH4/EX4.5/4_5.sce @@ -0,0 +1,17 @@ +clc
+//initialisation of variables
+vf= 0.001404 //m^3/kg
+x= 0.8
+vg= 0.02167 //m^3/kg
+uf= 1332 //kJ/kg
+ug= 1231 //kJ/kg
+hf= 1344 //kJ/kg
+hg= 1404.9 //kJ/kg
+//CALCULATIONS
+v= vf+x*(vg-vf)
+u= uf+x*ug
+h= hf+x*hg
+//RESULTS
+printf ('volume = %.5f m^3/kg',v)
+printf ('\n internal energy = %.1f kJ/kg',u)
+printf ('\n enthalpy = %.1f kJ/kg',h)
diff --git a/1442/CH4/EX4.6/4_6.sce b/1442/CH4/EX4.6/4_6.sce new file mode 100755 index 000000000..0cef4a8db --- /dev/null +++ b/1442/CH4/EX4.6/4_6.sce @@ -0,0 +1,26 @@ +clc
+//initialisation of variables
+T= 296 //K
+T1= 250 //K
+T2= 300 //K
+v= 0.1257 //m^3/kg
+v1= 0.11144 //m^3/kg
+u1= 27772.6 //kJ/kg
+u2= 2679.6 //kJ/kg
+h1= 3023.5 //kJ/kg
+h2= 2902.5 //kJ/kg
+s1= 6.7664 //kJ/kg K
+s2= 6.5433 //kJ/kg K
+//CALCULATIONS
+a1= (T-T1)/(T2-T1)
+a2= 1-a1
+V= a1*v+a2*v1
+U= a1*u1+a2*u2
+H= a1*h1+a2*h2
+S= a1*s1+a2*s2
+//RESULTS
+printf ('a2 = %.3f ',a2)
+printf ('\n specific volume = %.5f m^3/kg',V)
+printf ('\n internal energy = %.1f kJ/kg',u)
+printf ('\n enthalpy = %.1f kJ/kg',H)
+printf ('\n Entropy = %.1f kJ/kg',S)
diff --git a/1442/CH4/EX4.7/4_7.sce b/1442/CH4/EX4.7/4_7.sce new file mode 100755 index 000000000..9140ab1f8 --- /dev/null +++ b/1442/CH4/EX4.7/4_7.sce @@ -0,0 +1,18 @@ +clc
+//initialisation of variables
+v= 0.15 //m^3/kg
+v1= 0.13857 //m^3/kg
+v2= 0.1512 //m^3/kg
+v3= 0.050 //m^3//kg
+vf= 0.001177 //m^3/kg
+vg= 0.09963 //m^3/kg
+uf= 906.44 //kJ/kg
+ufg= 1693.8 //kJ/kg
+//CALCULATIONS
+a1= (v-v1)/(v2-v1)
+a2= 1-a1
+x= (v3-vf)/(vg-vf)
+u= uf+x*ufg
+//RESULTS
+printf ('a2 = %.3f ',a2)
+printf ('\n internal energy = %.1f kJ/kg',u)
diff --git a/1442/CH4/EX4.8/4_8.sce b/1442/CH4/EX4.8/4_8.sce new file mode 100755 index 000000000..2f957df18 --- /dev/null +++ b/1442/CH4/EX4.8/4_8.sce @@ -0,0 +1,22 @@ +clc
+//initialisation of variables
+T= 250 //C
+T2= 300 //C
+v300= 0.6548 //m^3/kg
+v250= 0.591 //m^3/kg
+v= 0.6 //m^3/kg
+u= 3000 //kJ/kg
+u250= 2726.1 //kJ/kg
+u300= 2804.8 //kJ/kg
+T2= 510.30
+u2= 3145.26 //kJ/kg
+p= 0.4 //Mpa
+p2= 0.2 //Mpa
+//CALCULATIONS
+T1= T1+((v-v250)/(v300-v250))*(T2-T)
+u1= u250+((v-v250)/(v300-v250))*(u300-u250)
+du= u1-u
+p1= p+((u-u1)/(u2-u1))*p2
+//RESULTS
+printf ('pressure = %.3f Mpa',p1)
+printf ('\n temperature = %.f C',T2)
diff --git a/1442/CH4/EX4.9/4_9.sce b/1442/CH4/EX4.9/4_9.sce new file mode 100755 index 000000000..f05dc925a --- /dev/null +++ b/1442/CH4/EX4.9/4_9.sce @@ -0,0 +1,11 @@ +clc
+//initialisation of variables
+n= 1.5 //kmol
+V= 0.5 //m^3
+M= 18.02 //kg
+//CALCULATIONS
+m= n*M
+v= V/m
+//RESULTS
+printf ('mass = %.2f kg',m)
+printf ('\n sepcific volume = %.4f m^3/kg',v)
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