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Diffstat (limited to '548/DEPENDENCIES/7_03data.sci')
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1 files changed, 12 insertions, 0 deletions
diff --git a/548/DEPENDENCIES/7_03data.sci b/548/DEPENDENCIES/7_03data.sci new file mode 100755 index 000000000..54c916971 --- /dev/null +++ b/548/DEPENDENCIES/7_03data.sci @@ -0,0 +1,12 @@ +h=0.35;//location of center of gravity from leading edge
+ao=-1.5;//geometric angle of attack for which lift is zero
+a1=5;//angle of attack in degree
+Cl1=0.52;//lift coefficient at 5 degree angle of attack
+Awb=(.52-0)/(5-(-1.5)) //lift slope per degree
+a2=1;//geometric angle of attack in degree
+ab2=a2+1.5//absolute angle of attack at 1 degree
+Cmcg=-0.01;//moment coefficient about center of gravity at 1 degree angle of attack
+a3=7.88;//geometric angle of attack in degree
+ab3=a3+1.5;//absolute angle of attack at 7.88 degree
+Cmcg2=0.05;//moment coefficient about center of gravity at 7.88 degree angle of attack
+//we have two equation in the form of Cmcg=Cmac+Clwb*(dh) and two unknown variables Cmac(moment coefficient about aerodynamic center )and dh(distance between aerodynamic center and center of gravity),so we use matrix method to solve them:
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