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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /1808/CH5/EX5.8/Chapter5_Exampl8.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '1808/CH5/EX5.8/Chapter5_Exampl8.sce')
| -rw-r--r-- | 1808/CH5/EX5.8/Chapter5_Exampl8.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/1808/CH5/EX5.8/Chapter5_Exampl8.sce b/1808/CH5/EX5.8/Chapter5_Exampl8.sce new file mode 100644 index 000000000..9d29154c6 --- /dev/null +++ b/1808/CH5/EX5.8/Chapter5_Exampl8.sce @@ -0,0 +1,30 @@ +clc
+clear
+//INPUT DATA
+d=0.3;//bore length in m
+l=0.4;//stroke length in m
+N=300;//speed in rpm
+g=1.4;//constant
+n=1.25;//adiabatic compression constant
+p1=1;//suction pressure
+pd=5;//delivery pressure
+m=1.5;//adiabatic constant
+
+//CALCULATIONS
+vs=(3.14*(d)^2*l*N)/4;//Volume of air compressed per min
+pm=p1*log(pd/p1);//Mean effective pressure in bar
+ip=p1*10^2*(vs/60)*log(pd/p1);//indicated power in kW
+pm1=p1*(n/(n-1))*((((pd/p1)^((n-1)/n)))-1);//Mean effective pressure in bar
+ip1=pm1*vs*100/60;//indicated power in kW
+nso1=(ip/ip1)*100;//Isothermal efficiency in percentage
+pm2=p1*(g/(g-1))*((((pd/p1)^((g-1)/g)))-1);//Mean effective pressure in bar
+ip2=pm2*vs*100/60;//indicated power in kW
+nso2=(ip/ip2)*100;//Isothermal efficiency in percentage
+pm3=p1*(m/(m-1))*((((pd/p1)^((m-1)/m)))-1);//Mean effective pressure in bar
+ip3=pm3*vs*100/60;//indicated power in kW
+nso3=(ip/ip3)*100;//Isothermal efficiency in percentage
+nad=(ip2/ip3)*100;//adiabatic efficiency in percentage
+
+//OUTPUT
+printf('(i)isothermal compression \n Indicated mean effective pressure %3.4f bar \n Ideal power %3.3f kW \n (ii)compression process according to to pv^1.25 \n Indicated mean effective pressure %3.4f bar \n Ideal power %3.3f kW \n isothermal efficiency is %3.3f percentage \n (iii)Compression is reversible adiabatic \n Indicated mean effective pressure %3.4f bar \n Ideal power %3.3f kW \n isothermal efficiency is %3.3f percentage \n (iv)compression is irreversible adiabatic \n Indicated mean effective pressure %3.4f bar \n Ideal power %3.3f kW \n isothermal efficiency is %3.3f percentage \n adiabatic efficiency is %3.3f percentage ',pm,ip,pm1,ip1,nso1,pm2,ip2,nso2,pm3,ip3,nso3,nad)
+
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