The following equation may be used to estimate the take-off ground run for an aircraft: Equation has been attached as an image.Calculate the take-off ground run, from a runway at ISA-SL conditions, for a twin engine aircraft for which the following data may be assumedAircraft lift-off speed155 knotsMax take-off gross weight220 tonnesWing planform area (S)358 mWing CL (t/o flaps deployed, a = 0)1.1Wing span53.18 mOswald efficiency factor, e0.7KGE = CD(IGE) / Co(OGE)0.4Co sum (fuselage, wing, tailplane and nacelle)0.015Co for undercarriage0.021Co for flaps at taking-off setting0.0073Coefficient of rolling friction, u0.02Engine thrust (assumed constant)310 kN per engineIt may be assumed that 1knot = 0.51444 m/s It may be assumed that 1knot = 0.51444 m/s S1Wpgs(μCL-CD)logeps(μCL-CD)[₁1-CD) √²+門2(T-μW)

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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The following equation may be used to estimate the take-off ground run for an aircraft: Equation has been attached as an image.

Calculate the take-off ground run, from a runway at ISA-SL conditions, for a twin engine aircraft for which the following data may be assumed

Aircraft lift-off speed	155 knots
Max take-off gross weight	220 tonnes
Wing planform area (S)	358 m
Wing CL (t/o flaps deployed, a = 0)	1.1
Wing span	53.18 m
Oswald efficiency factor, e	0.7
KGE = CD(IGE) / Co(OGE)	0.4
Co sum (fuselage, wing, tailplane and nacelle)	0.015
Co for undercarriage	0.021
Co for flaps at taking-off setting	0.0073
Coefficient of rolling friction, u	0.02
Engine thrust (assumed constant)	310 kN per engine
It may be assumed that 1knot = 0.51444 m/s

It may be assumed that 1knot = 0.51444 m/s

S1
W
pgs(μCL-CD)
loge
ps(μCL-CD)
[₁
1-CD) √²
+
門
2(T-μW)

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