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| author | priyanka | 2015-06-24 15:03:17 +0530 |
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| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /548/DEPENDENCIES/7_09data.sci | |
| 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 '548/DEPENDENCIES/7_09data.sci')
| -rwxr-xr-x | 548/DEPENDENCIES/7_09data.sci | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/548/DEPENDENCIES/7_09data.sci b/548/DEPENDENCIES/7_09data.sci new file mode 100755 index 000000000..cdbb812e1 --- /dev/null +++ b/548/DEPENDENCIES/7_09data.sci @@ -0,0 +1,11 @@ +//consider the airplane of example 7.8.its elevator hinge derivatives are:
+DCh=-0.008;//derivative w.r.t absolute angle of attack of tail
+DChe=-0.013;//derivative w.r.t elevator deflection
+at=0.1;//tail lift slope per degree(from example 7.4)
+DClt=0.04;// elevator control efficiency (from example 7.8)
+Hac=0.24;//location of aerodynamic center from leading edge(from example 7.3)
+Vh=0.34;//tail volume ratio(from example 7.4)
+de=0.35;//derivative of downwash angle w.r.t angle of attack(from example 7.4)
+a=0.08;//lift slope(from example 7.4)
+F=1-DClt*DCh/(at*DChe) //free elevator factor
+Hn=Hac+F*Vh*at*(1-de)/a //neutral point
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