Standard Atm and Airplane Drag
4
11/9/2014 609 Drag Correlation 250617796.xlsx.ms_office Aircraft Name GW = 7,700 ESHP = 1,200 (1 Honeywell HTS-650 engine) A/P Mode Item Planform (A wet net/ Interference Lifting Surfaces Area (ft 2 ) A wet gross) C D factor (%) df e Df e SUMMARY (ft 2 ) Wing 223.0 0.951 0.010 2.122 2.970 Component sub total 28.62 Wing/Fuse int 10 0.212 Protuberances 10 2.86 (% component total) Engine fairing int 10 0.212 Trim 0.50 3D & roughness 10 0.212 Momentum/cooling 1.92 (xsmn cooling, eng, etc.) cntrl surf,gaps etc. 10 0.212 A/P Mode fe = 33.91 Horz Tail 15.9 0.989 0.015 0.236 0.331 Vert Tail int 20 0.047 Component Df e % 3D & roughness 10 0.024 Wing 2.970 10.38 cntrl surf,gaps etc. 10 0.024 Horz Tail 0.331 1.16 Vert Tail 0.487 1.70 Vert Tail 20.30 1.000 0.015 0.305 0.487 Lndg Fairing 0.220 0.77 Horz Tail int 20 0.061 Mast Fairing (2) 0.285 1.00 Fuse int 20 0.061 Fuselage 12.760 44.58 3D & roughness 10 0.030 Tip Nac (2) 6.583 23.00 cntrl surf,gaps etc. 10 0.030 Engine Nac 0.492 1.72 Hub (2) 4.494 15.70 Lndg Fairing 8.23 0.795 0.015 0.098 0.220 sub total 28.623 100.00 Fuse int 20 0.061 3D & roughness 10 0.030 cntrl surf,gaps etc. 10 0.030 Mast Fairing (2) 1.39 1.000 0.015 0.021 0.285 Tip Nac 20 0.061 3D & roughness 10 0.030 cntrl surf,gaps etc. 10 0.030 Bodies of Rev Aw net /A f C d /C f Interference Fuselage (ft 2 ) (N/D) df e ' factor (%) df e Df e skin friction 354.86 0.019305 6.851 7.975 12.760 frontal 29.73 0.257671 7.662 aft body contraction 0.000 canopy 11.987 0.06 Wing/fuse fairing int 10 0.798 Engine 10 0.798 Vert tail int 10 0.798 Lndg Fairing 10 0.798 3D & roughness 10 0.798 doors,gaps etc. 10 0.798 Tip Nacelle (2) skin friction 23.38 0.049255 1.152 2.351 6.583 frontal 3.19 0.375518 1.199 aft body contraction 0.000 Wing int 20 0.470 3D & roughness 10 0.235 cntrl surf,gaps etc. 10 0.235 Engine Nac skin friction 9.95 0.030269 0.301 0.308 0.492 frontal 0.72 0.435926 0.314 aft body contraction 0.000 Wing int 20 0.062 Fuse int 20 0.062 3D & roughness 10 0.031 cntrl surf,gaps etc. 10 0.031 Hub (2) skin friction 3.11 0.192881 0.601 1.404 4.494 frontal 0.74 0.843532 0.626 aft body contraction 0.120 Mast int 20 0.281 3D & roughness 20 0.281 cntrl surf,gaps etc. 20 0.281 Component sub total 28.62
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Transcript of Standard Atm and Airplane Drag
11/9/2014 609 Drag Correlation 250617796.xlsx.ms_office
Aircraft Name GW = 7,700 ESHP = 1,200 (1 Honeywell HTS-650 engine)
A/P Mode
Item Planform (Awet net/ Interference
Lifting Surfaces Area (ft2) Awet gross) CD factor (%) dfe Dfe SUMMARY (ft2)
Wing 223.0 0.951 0.010 2.122 2.970 Component sub total 28.62
Wing/Fuse int 10 0.212 Protuberances 10 2.86 (% component total)
Engine fairing int 10 0.212 Trim 0.50
3D & roughness 10 0.212 Momentum/cooling 1.92 (xsmn cooling, eng, etc.)
cntrl surf,gaps etc. 10 0.212 A/P Mode fe = 33.91
Horz Tail 15.9 0.989 0.015 0.236 0.331
Vert Tail int 20 0.047 Component Dfe %
3D & roughness 10 0.024 Wing 2.970 10.38
cntrl surf,gaps etc. 10 0.024 Horz Tail 0.331 1.16
Vert Tail 0.487 1.70
Vert Tail 20.30 1.000 0.015 0.305 0.487 Lndg Fairing 0.220 0.77
Horz Tail int 20 0.061 Mast Fairing (2) 0.285 1.00
Fuse int 20 0.061 Fuselage 12.760 44.58
3D & roughness 10 0.030 Tip Nac (2) 6.583 23.00
cntrl surf,gaps etc. 10 0.030 Engine Nac 0.492 1.72
Hub (2) 4.494 15.70
Lndg Fairing 8.23 0.795 0.015 0.098 0.220 sub total 28.623 100.00
Fuse int 20 0.061
3D & roughness 10 0.030
cntrl surf,gaps etc. 10 0.030
Mast Fairing (2) 1.39 1.000 0.015 0.021 0.285
Tip Nac 20 0.061
3D & roughness 10 0.030
cntrl surf,gaps etc. 10 0.030
Bodies of Rev Aw net/Af Cd/Cf Interference
Fuselage (ft2) (N/D) dfe' factor (%) dfe Dfe
skin friction 354.86 0.019305 6.851 7.975 12.760
frontal 29.73 0.257671 7.662
aft body contraction 0.000
canopy 11.987 0.06
Wing/fuse fairing int 10 0.798
Engine 10 0.798
Vert tail int 10 0.798
Lndg Fairing 10 0.798
3D & roughness 10 0.798
doors,gaps etc. 10 0.798
Tip Nacelle (2)
skin friction 23.38 0.049255 1.152 2.351 6.583
frontal 3.19 0.375518 1.199
aft body contraction 0.000
Wing int 20 0.470
3D & roughness 10 0.235
cntrl surf,gaps etc. 10 0.235
Engine Nac
skin friction 9.95 0.030269 0.301 0.308 0.492
frontal 0.72 0.435926 0.314
aft body contraction 0.000
Wing int 20 0.062
Fuse int 20 0.062
3D & roughness 10 0.031
cntrl surf,gaps etc. 10 0.031
Hub (2)
skin friction 3.11 0.192881 0.601 1.404 4.494
frontal 0.74 0.843532 0.626
aft body contraction 0.120
Mast int 20 0.281
3D & roughness 20 0.281
cntrl surf,gaps etc. 20 0.281
Component sub total 28.62
11/9/2014 609 Drag Correlation 250617796.xlsx.ms_office
Vdsgn cr (ktas) = 0.022 halt (ft) = 10,000 r = 0.001755431 n = 0.0002036
Lifting Surfaces Ref L Ref L Planform Area Awet gross Awet net
(in) (ft) log Re CFB (ft2) (ft2) (ft2)
Wing 105.1 8.76 3.2038 0.0225638 222.98 481.64 458.27
Horz Tail 25.5 2.13 2.5886 0.0391128 15.94 34.43 34.06
Vert Tail 37.3 3.11 2.7533 0.0333582 20.30 43.04 43.04
Lndg Fairing 0.0 0.00 #NUM! #NUM! 20.30 43.04 34.22
Mast Fairing 10.6 0.89 2.2086 0.0589129 8.23 17.45 17.45
Ref L Ref L Maximum Awet gross Awet net Afront Diahyd
Bodies of Rev (in) (ft) log Re CFB Perimeter (ft) (ft2) (ft2) (ft2) (ft) l/d d/l CD WET CDf
Fuselage 328.5 27.38 3.6986 0.0155771 19.33 380.99 354.86 29.73 6.15 4.45 0.22476 0.019305 0.257671
Engine Nac 78.0 6.50 3.0741 0.0251010 4.25 19.91 19.91 1.44 1.35 4.80 0.20831 0.030269 0.435926
Tip Nacelle (2) 61.5 5.13 2.9709 0.0274132 6.34 23.38 23.38 3.19 2.02 2.54 0.39350 0.049255 0.375518
Hub (2) 17.0 1.42 2.4125 0.0469092 3.05 3.11 3.11 0.74 0.97 1.46 0.68598 0.192881 0.843532
Component Junction Areas (for components that intersect) Intersection Area
Wing Horz Tail Vert Tail Lndg Fairing Mast Fairing Fuselage Engine Nac Tip Nacelle (2) Hub (2) (ft2)
Wing 0 0 0 0 0 23.37 0 0 0 23.37
Horz Tail 0 0 0.375 0 0 0 0 0 0 0.38
Vert Tail 0 0 0 0 0 0 0 0 0 0.00
Lndg Fairing 0 0 0 0 0 8.8167 0 0 0 8.82
Mast Fairing 0 0 0 0 0 0 0 0 0 0.00
Fuselage 23.37 0 2.7648 0 0 0 0 0 0 26.13
Engine Nac 0 0 0 0 0 0 0 0 0 0.00
Tip Nacelle (2) 0 0 0 0 0 0 0 0 0 0.00
Hub (2) 0 0 0 0 0 0 0 0 0 0.00
11/9/2014 609 Drag Correlation 250617796.xlsx.ms_office
h=below 36089 ft
Atmospherealt.press = 10,000 (ft) dT(D
oC) or Tamb(
oF) or assume STD Day
(Input either d or amb temp value, but not both for non std day. Input "0" in both for a std day calc.)
Atm data STD
hpress= 10000 (ft) 10000 (ft)
Tamb= -4.811 (oC) 23.340 (
oF) SLS
d 0.6877 (N/D) 0.6877 (N/D) Po 2116.22 (lb/ft2) P 1455.40 (lb/ft
2)
q 0.9313 (N/D) 0.9313 (N/D) To 518.688 (deg R) T 483.028 (deg R)
s' 0.7385 (N/D) 0.7385 (N/D) ro 0.002377 (slugs/ft3) r 0.0017554 (slugs/ft
3)
mo 3.7846E-07 (slug/ft-sec) m 3.5746E-07 (slug/ft-sec)
no 1.5922E-04 (ft2/sec) n 2.0363E-04 (ft
2/sec)
h=between 36089 ft and 65617 ft
Atmospherealt.press = 50,000 (ft) dT(D
oC) or Tamb(
oF) or assume STD Day
(Input either d or amb temp value, but not both for non std day. Input "0" in both for a std day calc.)
Atm data STD
hpress= 50000 (ft) 50000 (ft)
Tamb= -56.503 (oC) -69.705 (
oF) SLS
d 0.1145 (N/D) 0.1145 (N/D) Po 2116.22 (lb/ft2) P 242.21 (lb/ft
2)
q 0.7519 (N/D) 0.7519 (N/D) To 518.688 (deg R) T 389.983 (deg R)
s' 0.1522 (N/D) 0.1522 (N/D) ro 0.002377 (slugs/ft3) r 0.0003618 (slugs/ft
3)
mo 3.7846E-07 (slug/ft-sec) m 2.9913E-07 (slug/ft-sec)
no 1.5922E-04 (ft2/sec) n 8.2666E-04 (ft
2/sec)
11/9/2014 609 Drag Correlation 250617796.xlsx.ms_office
h=between 65617 ft and 104987 ft
Atmospherealt.press = 75,000 (ft) dT(D
oC) or Tamb(
oF) or assume STD Day
(Input either d or amb temp value, but not both for non std day. Input "0" in both for a std day calc.)
Atm data STD
hpress= 75000 (ft) 75000 (ft)
Tamb= -53.642 (oC) -64.556 (
oF) SLS
d 0.0343 (N/D) 0.0343 (N/D) Po 2116.22 (lb/ft2) P 72.52 (lb/ft
2)
q 0.7618 (N/D) 0.7618 (N/D) To 518.688 (deg R) T 395.132 (deg R)
s' 0.0453 (N/D) 0.0453 (N/D) ro 0.002377 (slugs/ft3) r 0.0001077 (slugs/ft
3)
mo 3.7846E-07 (slug/ft-sec) m 3.0250E-07 (slug/ft-sec)
no 1.5922E-04 (ft2/sec) n 2.8084E-03 (ft
2/sec)
h=between 104987 ft and 154,199 ft
Atmospherealt.press = 125,000 (ft) dT(D
oC) or Tamb(
oF) or assume STD Day
(Input either d or amb temp value, but not both for non std day. Input "0" in both for a std day calc.)
Atm data STD
hpress= 125000 (ft) 125000 (ft)
Tamb= -27.422 (oC) -17.359 (
oF) SLS
d 0.0036 (N/D) 0.0036 (N/D) Po 2116.22 (lb/ft2) P 7.53 (lb/ft
2)
q 0.8528 (N/D) 0.8528 (N/D) To 518.688 (deg R) T 442.329 (deg R)
s' 0.0042 (N/D) 0.0042 (N/D) ro 0.002377 (slugs/ft3) r 0.0000099 (slugs/ft
3)
mo 3.7846E-07 (slug/ft-sec) m 3.3261E-07 (slug/ft-sec)
no 1.5922E-04 (ft2/sec) n 3.3548E-02 (ft
2/sec)
