Embed Size (px)
Citation preview
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
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
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳：稲川貴大 – 2011年2月
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳：稲川貴大 – 2011年2月
LLT VLM
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
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
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
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
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
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
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
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
Revision 1.1 – Copyright A. Deperrois – October 2009 日本語訳：稲川貴大 – 2011年2月
VLM
LLT
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！
![Tokyo Tech’s Technology Demonstration Satellitelss.mes.titech.ac.jp/ssp/tsubame/paper/TSUBAME... · 2007-10-11 · Anguler Velocity [rad/s] .-1-0.75-0.5-0.25 0 0.25 0.5 0.75 1 0](https://img.dokumen.tips/doc/110x75/5f7037e116a09e2c9d2596e6/tokyo-techas-technology-demonstration-2007-10-11-anguler-velocity-rads-1-075-05-025.jpg)
![McInnes, Colin R. (2003) Non-linear dynamics of ring world ...Sitnikov problem [5]. For small displacements such 0.75 0.5 0.25 —0.25 -0.5 _0.75 Fig. 5 Evolution of out-of-plane motion](https://img.dokumen.tips/doc/110x75/5f0df2987e708231d43cde5a/mcinnes-colin-r-2003-non-linear-dynamics-of-ring-world-sitnikov-problem.jpg)
