point is out of the flight envelope · 2019. 7. 11. · cl - llt - xflr5_v4.09 o llt, vlm -1.25 o...
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![Page 1: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/1.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
XFLR5による計算結果と実験値との比較
![Page 2: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/2.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
CEAT Matthieu Scherrer
http://sailplane-matscherrer.blogspot.com/
XFLR5 MatthieuXFLR5
Francesco Meschia XFLR5 V3.21 VLM“FMe” , Francesco
XFLR5 V4.00
![Page 3: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/3.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
![Page 4: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/4.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
LLT VLM
![Page 5: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/5.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
Cm>0
CL>0
Cy>0
a>0
b>0
Cl>0
Cn>0
CD>0
ref area ref length axis systemCL SWing - stability axisCD SWing - stability axisCm SWing MAC stability axisCy SWing - A/C axisCl SWing MAC A/C axisCn SWing MAC A/C axis
![Page 6: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/6.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
Lift curve
Measurement vs prediction - V=20m/s
-0.50
-0.25
0.00
0.25
0.50
0.75
1.00
1.25
-5 0 5 10
a
CL
FMeMeasure V=20Measure V=20Cl - VLM2 - XFLR5_V4.09Cl - Panels with body - XFLR5_V4.09Cl - Panels No Body - XFLR5_V4.09Cl - LLT - XFLR5_V4.09
o LLT, VLM -1.25
o LLT
LLT
Lift curve
Measurement vs prediction - V=40m/s
-0.5
-0.25
0
0.25
0.5
0.75
1
1.25
-5 0 5 10
a
CL
FMeMeasure V=40Measure V=40Cl - VLM2 - XFLR5_V4.09Cl - Panels with body - XFLR5_V4.09Cl - Panels No Body - XFLR5_V4.09
![Page 7: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/7.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
Drag polar
Measurement vs prediction - V=20m/s
-0.50
-0.25
0.00
0.25
0.50
0.75
1.00
1.25
0.000 0.025 0.050 0.075 0.100
CD
CL
FMeV=20V=20V=20Cl - VLM2 - XFLR5_V4.09Cl - Panels with body - XFLR5_V4.09Cl - Panels No Body - XFLR5_V4.09Cl - LLT - XFLR5_V4.09
o LLT, VLM
XFoil Ncrit
Drag polar
Measurement vs prediction - V=40m/s
-0.5
-0.25
0
0.25
0.5
0.75
1
1.25
0 0.025 0.05 0.075 0.1
CD
CL
FMe
V=40
V=40
V=40
Cl - VLM2 - XFLR5_V4.09
Cl - Panels with body - XFLR5_V4.09
Cl - Panels No Body - XFLR5_V4.09
![Page 8: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/8.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
Pitching moment curve
Measurement vs prediction - V=40m/s
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
-5 0 5 10
a
CM
FMeMeasure V=40Measure V=40Cm - VLM2 - XFLR5_V4.09Cm - Panels with body - XFLR5_V4.09Cm - Panels No Body - XFLR5_V4.09
o LLT, VLM Cm0 Cl0
Cm = f(a)
Pitching moment curve
Measurement vs prediction - V=20m/s
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
-5 0 5 10
a
CM
FMeMeasure V=20Measure V=20Cm - VLM2 - XFLR5_V4.09Cm - Panels with body - XFLR5_V4.09Cm - Panels No Body - XFLR5_V4.09
![Page 9: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/9.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
XFLR5 v4.09
XFLR5
VLM
VLM
![Page 10: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/10.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
Jibe 2 prediction vs Measurement
Lateral coefficients at a=2
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
-20 -10 0 10 20
b
Cy
Measure Cy V=20
Measure Cy V=40
Cy - VLM2
Cy - 3D Panels
Jibe 2 prediction vs Measurement
Lateral coefficients at a=6
-0.12
-0.10
-0.08
-0.06
-0.04
-0.02
0.00
0.02
0.04
0.06
0.08
-20 -10 0 10 20
b C
y
Measure Cy V=20
Measure Cy V=40
Cy - VLM2
Cy - 3D Panels
![Page 11: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/11.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
Jibe 2 prediction vs Measurement
Lateral coefficients at a=2
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
-20 -10 0 10 20
b
Cl
Measure Cl V=20
Measure Cl V=40
GRm - VLM2
GRm - 3D Panels
Jibe 2 prediction vs Measurement
Lateral coefficients at a=6
-0.15
-0.10
-0.05
0.00
0.05
0.10
0.15
-20 -10 0 10 20
b
Cl
Measure Cl V=20
Measure Cl V=40
GRm - VLM2
GRm - 3D Panels
![Page 12: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/12.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
Jibe 2 prediction vs Measurement
Lateral coefficients at a=2°
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
-20 -10 0 10 20
b
Cn
Measure Cn V=20
Measure Cn V=40
GYm - VLM2
GYm - 3D Panels
Jibe 2 prediction vs Measurement
Lateral coefficients at a=6
-0.20
-0.10
0.00
0.10
0.20
0.30
0.40
-20 -10 0 10 20
b
Cn
Measure Cn V=20
Measure Cn V=40 GYm - VLM2
GYm - 3D Panels
![Page 13: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/13.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
VLM
LLT
![Page 14: Point is out of the flight envelope · 2019. 7. 11. · Cl - LLT - XFLR5_V4.09 o LLT, VLM -1.25 o LLT LLT Lift curve Measurement vs prediction - V=40m/s-0.5-0.25 0 0.25 0.5 0.75 1](https://reader035.vdocuments.mx/reader035/viewer/2022071106/5fe012aa9a719c5d4b5d7d8a/html5/thumbnails/14.jpg)
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳:稲川貴大 – 2011年2月
このヘルプが
お役に立てば何よりです!