# Fuselage Sizing & Shape ###### tags: `analysis` --- ### 機身 ![](https://i.imgur.com/nDrKYzS.png) ### 機身構型 * 機艙高寬比 * 機身外徑(計算) 病床寬+走道寬+機身厚度 or 走道寬+側邊櫃體+機壁厚度 - 病床寬0.5m+ 座位寬度0.5m + 走道寬0.8m + 機身厚度0.1m x2 - 共2m * 機身內徑 機身外徑扣掉機身壁面厚度 * 機身長(估計): 17m * 機身軸徑比 FR=8.5 $=機身長/機身外徑$ #### solidwork 擔架改3個 ![](https://i.imgur.com/FQOPagl.png) ### Fuselage Design | Aircraft type | Fineness Ratio | $L_R$/$D_f$ | Upsweep Angle | | ------------- |:--------------:| ----------- | ------------- | | Jet Transport | 6.8-13 | 2.5~4 | 15~19 | ![](https://i.imgur.com/yk37Ofe.png) #### Cabin Design ![](https://i.imgur.com/GfMyNWK.jpg) - Cabin width(contain margin) - 擔架寬+走道寬 or 走道寬+側邊櫃體 - 病床長2.15m 寬0.9m - 病床寬0.5m+ 座位寬度0.5m + 走道寬0.8m - 加上margin2公尺 - 機身外徑 - 內徑+機身厚度0.1m×2 - 2.2公尺 #### Nose Design ![](https://i.imgur.com/2I0TXmU.png) - 座位只有一排,採用範圍 - Nose length ratio: 1.7~2 - Rear length ratio: 2.6~3.5 - Nose cone angle,deg: 10~20 - Upsweep angle,deg: 15~19 - Nose length ratio選用 1.8 - nose length ratio = 2.2×1.8 = 3.96m - Rear length ratio選用 2.7 - rear length ratio = 2.2×2.6 = 5.72m ![](https://i.imgur.com/6bR6r9B.png) - alpha = 14.743 deg - Cabin length --- Revision 1 - 座位:10個,拆成一排8個,一排2個 - 80cm×8 = 6.4m - 門 - 107cm×2 = 2.14m - Cabin length --- Revision 2 - 座位一排,椅背靠機壁 - 50cm×10 = 5m - 擔架×2 放在座位旁 - ![](https://hackmd.io/_uploads/BJPn_Y7Un.png) - 長190x寬58x高84cm - 190cmx2 = 3.8m(< 5m 不影響) - 門 - 1.07m - 總長: 加上margin和機壁厚度: 7 m - Fuselage length - Revision 1 - $L_f$ = $L_c$ + $L_n$ + $L_R$ - 16.64m - Revision 2 - $L_f$ = $L_c$ + $L_n$ + $L_R$ - 15.1 m - 採用Revision 2 - 機身外徑長15.1m - Fuselage Height - 機艙內部高度:2m - 外部高度:2.2 機壁厚度(上 下10cm) - Fitness Ratio - 15/2.2 = 6.86