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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 /2216/CH7/EX7.3/ex_7_3.sce | |
| 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 '2216/CH7/EX7.3/ex_7_3.sce')
| -rwxr-xr-x | 2216/CH7/EX7.3/ex_7_3.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2216/CH7/EX7.3/ex_7_3.sce b/2216/CH7/EX7.3/ex_7_3.sce new file mode 100755 index 000000000..636b26f0f --- /dev/null +++ b/2216/CH7/EX7.3/ex_7_3.sce @@ -0,0 +1,19 @@ +//Example 7.3: Injection efficiency +clc; +clear; +close; +format('v',7) +//given data : +Na=10^23;// in m^-3 +Nd=10^21;// in m^-3 +T=300;// in K +e=1.6*10^-19;// in J +k=1.38*10^-23;// in JK^-1 +mue=0.85;// in m^2V^-1s^-1 +muh=0.04;// in m^2V^-1s^-1 +De=(mue*k*T)/e;// in m^2s^-1 +Dh=(muh*k*T)/e;// in m^2s^-1 +Le=1; +Lh=Le; +eta_inj=1/(1+((De/Dh)*(Lh/Le)*(Nd/Na))); +disp(eta_inj,"Injection efficiency,eta_inj = ") |