{"id":7897,"date":"2016-07-18T23:11:48","date_gmt":"2016-07-19T08:11:48","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T15:00:00","slug":"","status":"publish","type":"post","link":"http:\/\/w3devlabs.net\/wp\/?p=7897","title":{"rendered":"\ud0c0!\ud0c0!\ud0c0!\ud0c0! \ud5ec\ub9ac\ucf65\ud130\ub294 \uc65c \ud070\uc18c\ub9ac\ub85c \ube44\ud589\ud560\uae4c"},"content":{"rendered":"

\ud5ec\ub9ac\ucf65\ud130\ub294 \uc804\ud615\uc801\uc778 \ud68c\uc804\uc775\uae30(rotorcraft)\ub85c\uc11c, \uae30\uccb4 \uc911\uc2ec \ubd80\ubd84\uc5d0 \uc218\uc9c1\ubc29\ud5a5\uc73c\ub85c \ub098\uc640 \uc788\ub294 \ud68c\uc804\ucd95\uc5d0 \uba54\uc778\ub85c\ud130(\uc8fc \ud68c\uc804\ub0a0\uac1c)\uac00 \ub2ec\ub838\uace0, \uaf2c\ub9ac\ubd80\ubd84\uc5d0\ub294 \uc774\uc640 \ud568\uaed8 \ub3cc\uc544\uac00\ub294 \ud14c\uc77c \ub85c\ud130(\uaf2c\ub9ac \ud68c\uc804\ub0a0\uac1c)\uac00 \ub2ec\ub824 \uc788\ub294 \ud615\ud0dc\uac00 \ub300\ubd80\ubd84\uc774\ub2e4.<\/p>\n

\uba54\uc778\ub85c\ud130\uc5d0\ub294 \ube14\ub808\uc774\ub4dc\uac00 \ub2ec\ub824\uc788\uc5b4 \uc218\ud3c9\ubc29\ud5a5\uc73c\ub85c \ud68c\uc804\ud558\uba74\uc11c \uc591\ub825\uc744 \uc5bb\uc5b4 \uc0c1\uc2b9\uacfc \ud558\uac15\uc744 \ud560 \uc218 \uc788\uace0, \ud68c\uc804\uba74\uc5d0 \uacbd\uc0ac\ub97c \uc8fc\uc5b4 \uc804\ud6c4\uc88c\uc6b0 \ubc29\ud5a5\uc758 \ube44\ud589\uc744 \ub9c8\uc74c\ub300\ub85c \ud560 \uc218 \uc788\ub2e4.<\/p>\n

\uc774\ub7ec\ud55c \uc218\uc9c1\uc774\ucc29\ub959(VTOL Vertical Take-Off Landing) \ud2b9\uc131\uc5d0 \ub530\ub77c \uace0\uc815\uc775\uae30\uc5d0 \ube44\ud574 \ub9e4\uc6b0 \uc881\uc740 \uacf5\uac04\uc5d0\uc11c\ub3c4 \ub728\uace0 \ub0b4\ub9ac\ub294 \uac83\uc774 \uac00\ub2a5\ud558\uace0, \ub610 \ud2b9\ubcc4\ud55c \uc774\ucc29\ub959 \uc2dc\uc124\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 \uc7a5\uc810\uc774 \uc788\ub2e4.<\/p>\n

\uadf8\ub7ec\uba74\uc11c\ub3c4 \uc790\ub3d9\ucc28\ub098 \uae30\ucc28 \ub4f1\uc5d0 \ube44\ud574 \uc18d\ub3c4\uac00 \ube68\ub77c\uc11c \uad70\uc0ac\uc6a9, \uc758\ub8cc\uc6a9 \uc751\uae09\uc218\uc1a1, \ud654\uc7ac \uc9c4\uc555, \uc5ec\ud589 \ub4f1\uc5d0 \uc0ac\uc6a9\ub418\uace0 \uc788\ub2e4.<\/p>\n

\ud5ec\ub9ac\ucf65\ud130 \ud558\uba74 \uac00\uc7a5 \uba3c\uc800 \ub5a0\uc624\ub974\ub294 \uac83\uc774 \uc7a0\uc790\ub9ac \uac19\uc740 \ubaa8\uc591\uacfc \u201c\ud0c0\ud0c0\ud0c0\ud0c0hellip\u201d\ud558\ub294 \ud2b9\uc720\uc758 \uc18c\ub9ac\uc77c \uac83\uc774\ub2e4.<\/p>\n

\ud5ec\ub9ac\ucf65\ud130\uc758 \uc18c\ub9ac\ub294 \uae30\uc885\ub9c8\ub2e4 \ub2e4\ub974\uace0, \uc544\uc9c1\uae4c\uc9c0\ub294 \uadf8 \uc18c\ub9ac\ub97c \uc904\uc774\ub294 \ud68d\uae30\uc801\uc778 \ubc29\ubc95\uc774 \uc5c6\uc5b4\uc11c \ube44\ud589 \uc911\uc778 \ud5ec\ub9ac\ucf65\ud130\ub97c \ucc3e\ub294 \uac00\uc7a5 \uc26c\uc6b4 \ubc29\ubc95\uc740 \ud5ec\ub9ac\ucf65\ud130\uac00 \ub0b4\ub294 \uc2dc\ub044\ub7ec\uc6b4 \uc18c\ub9ac\ub97c \ucc3e\ub294 \uac83\uc774\ub77c\uace0\uae4c\uc9c0 \ub9d0\ud560 \uc815\ub3c4\ub2e4.<\/p>\n

\uadf8\ub7ec\uba74 \u201c\ud0c0\ud0c0\ud0c0\ud0c0hellip\u201d, \u201c\ub450\uadf8\ub450\uadf8hellip\u201d \ub4f1 \uc5ec\ub7ec \uac00\uc9c0\uc758 \uc18c\ub9ac\ub294 \uacfc\uc5f0 \ud5ec\ub9ac\ucf65\ud130\uc758 \uc5b4\ub514\uc5d0\uc11c \ub098\ub294 \uc18c\ub9ac\uc77c\uae4c?<\/p>\n

\ud5ec\ub9ac\ucf65\ud130\uc5d0\uc11c \ub098\ub294 \uc18c\ub9ac \ub300\ubd80\ubd84\uc740 \uc5d4\uc9c4\uc5d0\uc11c \ub098\ub294 \uc18c\ub9ac\uc640 \ub85c\ud130\ube14\ub808\uc774\ub4dc\uc5d0\uc11c \ub098\ub294 \uc18c\ub9ac\uc774\ub2e4.<\/p>\n

\ud5ec\ub9ac\ucf65\ud130\uc758 \uc5d4\uc9c4\uc740 \ub300\ubd80\ubd84 \ud130\ubcf4 \uc0e4\ud504\ud2b8 \uc5d4\uc9c4\uc744 \uc4f0\ub294\ub370, \uc77c\ubc18 \uc81c\ud2b8\uc5d4\uc9c4\uacfc \ube44\uc2b7\ud558\uae30 \ub54c\ubb38\uc5d0 \ub2e4\ub978 \uc81c\ud2b8\uc5d4\uc9c4 \ud56d\uacf5\uae30\uc758 \uc5d4\uc9c4 \uc18c\ub9ac\uc640 \ud06c\uac8c \ub2e4\ub974\uc9c0 \uc54a\ub2e4\uace0 \ud560 \uc218 \uc788\ub2e4.<\/p>\n<\/p>\n

\uace0\uc815\uc775 \ud56d\uacf5\uae30\ub294 \uc55e\uc73c\ub85c \ub098\uac10\uc73c\ub85c\uc368 \ub0a0\uac1c\uc5d0 \uacf5\uae30 \ud750\ub984\uc744 \ub9cc\ub4e4\uc5b4 \uc591\ub825\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \ubc18\uba74, \ud5ec\ub9ac\ucf65\ud130\ub294 \uace0\uc815\uc775 \ud56d\uacf5\uae30\uc758 \ub0a0\uac1c\uc5ed\ud560\uc744 \ub85c\ud130 \ube14\ub808\uc774\ub4dc\uac00 \ub9e1\uc544\uc11c \ud55c\ub2e4.<\/p>\n

\uadf8\ub798\uc11c \uc591\ub825\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\uae30 \uc704\ud574\uc11c\ub294 \ub85c\ud130 \ube14\ub808\uc774\ub4dc\ub97c \ud68c\uc804\uc2dc\ucf1c \ube14\ub808\uc774\ub4dc\uc5d0 \uacf5\uae30 \ud750\ub984\uc744 \uc0dd\uae30\uac8c \ud574\uc57c \ud55c\ub2e4.<\/p>\n

\uadf8\ub7f0\ub370 \ub85c\ud130 \ube14\ub808\uc774\ub4dc\ub294 \ud68c\uc804\uc6b4\ub3d9\uc744 \ud558\uae30 \ub54c\ubb38\uc5d0 \ud55c \ube14\ub808\uc774\ub4dc\uc5d0\uc11c\ub3c4 \ud68c\uc804\ucd95\uacfc \uac00\uae4c\uc6b4 \uacf3\uc740 \uc120\uc18d\ub3c4\uac00 \ub290\ub9ac\uace0, \ud68c\uc804\ucd95\uacfc \uba3c \uacf3\uc740 \uc120\uc18d\ub3c4\uac00 \ube60\ub974\ub2e4.<\/p>\n

(* \uc120\uc18d\ub3c4 : \uac19\uc740 \uc18d\ub3c4\ub85c \ube59\uae00\ube59\uae00 \ub3c4\ub294 \uc6b4\ub3d9\uc744 \ud558\ub294 \ubb3c\uccb4\uc5d0 \uc788\uc5b4\uc11c \uc5b4\ub5a4 \ud55c \uc810\uc5d0\uc11c\uc758 \uc18d\ub3c4)<\/p>\n

\uc120\uc18d\ub3c4\ub294 \ud68c\uc804\uc18d\ub3c4\uac00 \ube60\ub97c\uc218\ub85d, \ube14\ub808\uc774\ub4dc \uae38\uc774\uac00 \uae38\uc218\ub85d \ube68\ub77c\uc9c0\uae30 \ub54c\ubb38\uc5d0 \uae34 \ube14\ub808\uc774\ub4dc\uac00 \uace0\uc18d\ud68c\uc804\ud558\uba74 \ube14\ub808\uc774\ub4dc \ub05d\uc740 \uc74c\uc18d\uc5d0 \uac00\uae4c\uc6b4 \uc120\uc18d\ub3c4\ub97c \uac00\uc9c0\uac8c \ub418\uc5b4 \uace0\uc18d\ucda9\uaca9\uc74c(HIS high-speed impulsive noise)\uc774 \ubc1c\uc0dd\ud558\uac8c \ub41c\ub2e4.<\/p>\n

\ub610, \uace0\uc815\uc775\uae30\ub294 \ub0a0\uac1c\uac00 \uacf5\uae30\ub97c \ud55c \ubc88 \uc9c0\ub098\uace0 \ub098\uba74 \uadf8\ub9cc\uc774\uc9c0\ub9cc \ud5ec\ub9ac\ucf65\ud130\uc5d0\uc11c\ub294 \ube14\ub808\uc774\ub4dc\uac00 \uc9c0\ub098\uace0 \ub09c \ub2e4\uc74c \ub2e4\uc74c\ubc88\uc758 \ube14\ub808\uc774\ub4dc\uac00 \uc9c0\ub098\uac00\uae30 \ub54c\ubb38\uc5d0 \uc55e \ube14\ub808\uc774\ub4dc\uac00 \ub9cc\ub4e0 \uacf5\uae30\uc758 \uc18c\uc6a9\ub3cc\uc774\uac00 \ub4a4\uc774\uc5b4 \uc624\ub294 \ube14\ub808\uc774\ub4dc\uc640 \uac04\uc12d\ud558\uac8c \ub418\uc5b4 \uc2dc\ub044\ub7ec\uc6b4 \uc18c\ub9ac(BVI blade\/vortex interaction noise)\ub97c \ub0b4\uac8c \ub41c\ub2e4.<\/p>\n

\uadf8\ub807\ub2e4\uba74 \ud5ec\ub9ac\ucf65\ud130\uc758 \uc774\ub7f0 \uc18c\uc74c\uc744 \uc904\uc774\ub294 \ubc29\ubc95\uc740 \uc5c6\uc744\uae4c? \ud5ec\ub9ac\ucf65\ud130\uc758 \uc18c\uc74c\uc744 \uc904\uc774\uae30 \uc704\ud55c \ubc29\ubc95\uc740 \ud06c\uac8c \uc218\ub3d9\uc801\uc778 \ubc29\ubc95\uacfc \ub2a5\ub3d9\uc801\uc778 \ubc29\ubc95\uc73c\ub85c \ub098\ub20c \uc218 \uc788\ub2e4.<\/p>\n

\uc218\ub3d9\uc801\uc778 \ubc29\ubc95\uc740 \ube14\ub808\uc774\ub4dc \uc218\ub97c \ubc14\uafb8\uc5b4\uc11c \ube14\ub808\uc774\ub4dc\uac00 \ubc1b\ub294 \uc555\ub825\uc744 \uc904\uc774\ub294 \ubc29\ubc95, \ube14\ub808\uc774\ub4dc \ub05d\ub2e8\uc758 \ubaa8\uc591\uc744 \ubc14\uafb8\uc5b4\uc11c \uacf5\uae30\uc758 \ud750\ub984\uc5d0 \uc788\uc5b4\uc11c \uac15\ub3c4\ub97c \uc904\uc774\ub294 \ubc95, \ub85c\ud130 \ub05d\ub2e8 \uc18d\ub825\uc744 \uc904\uc774\ub294 \ubc95 \ub4f1\uc774 \uc788\ub2e4.<\/p>\n

\ub2a5\ub3d9\uc801\uc778 \ubc29\ubc95\uc73c\ub85c \ubbf8\ud56d\uacf5\uc6b0\uc8fc\uad6d(NASA)\uc5d0\uc11c \uc5f0\uad6c\ud558\ub294 \uac83\uc744 \uc608\ub85c \ub4e4\uc790\uba74, \uc5d1\uce04\uc5d0\uc774\ud2b8\ub85c \uad6c\ub3d9\ub418\ub294 \ud68c\uc804 \uacbd\uc0ac\ud310\uc744 \ube14\ub808\uc774\ub4dc\uc5d0 \ub2ec\uc544\uc11c \ube14\ub808\uc774\ub4dc\uc758 \ud53c\uce58\uac00 \uc801\uc808\ud55c \u2018\uace0\uc870\ud30c\uc870\ud654\uc9c4\ub3d9\u2019\ud558\ub3c4\ub85d \ud558\ub294 HHC(higher harmonic control) \ubc29\ubc95, \uae30\uc874\uc758 \ud53c\uce58 \uc870\uc808\uc5f0\uacb0\ubd80\ub97c \uace0\uc8fc\ud30c \uc5d1\uce04\uc5d0\uc774\ud130\ub85c \ub300\uccb4\ud558\uc5ec \uac01 \ube14\ub808\uc774\ub4dc\uc758 \ud53c\uce58\ub97c \ubc14\uafb8\uc5b4\uc8fc\ub294 IBC(individual blade control) \ubc29\ubc95, \uc555\uc804\ud6a8\uacfc\ub85c \ube14\ub808\uc774\ub4dc\uc758 \ud50c\ub7a9\uc744 \uad6c\ub3d9\ud558\uace0, \ube14\ub808\uc774\ub4dc\uac00 \ubcc0\ud615\ub418\uc5b4 \ube44\ud2c0\ub9ac\ub3c4\ub85d \ud558\ub294 ATR(active twist rotor) \ub4f1\uacfc \uac19\uc740 \ubc29\ubc95\uc774 \uc788\ub2e4.<\/p>\n

\uc774\uc678\uc5d0\ub3c4 \uc774\uc640 \uc720\uc0ac\ud55c \ubc29\ubc95\ub4e4\uc774 \uc5ec\ub7ec \uacf3\uc5d0\uc11c \uc5f0\uad6c\ub418\uace0 \uc788\ub294\ub370 \ube14\ub808\uc774\ub4dc\uac00 \uad6c\ubd88\uad6c\ubd88\ud55c \ud615\ud0dc, \ub5a8\ub9ac\ub294 \ud615\ud0dc, \ube14\ub808\uc774\ub4dc\uc5d0 \ud50c\ub7a9\uc774 \ub4e4\uc5b4\uac00\ub294 \ud615\ud0dc \ub4f1\uc774 \uc5f0\uad6c\uc758 \uacb0\uacfc\ub85c \ubc1c\ud45c\ub418\uace0 \uc788\ub2e4.<\/p>\n

\ud604\uc7ac\ub294 \ud5ec\uae30\uc758 \uc18c\uc74c\uc744 \uc904\uc774\uae30 \uc704\ud574 \ub9ce\uc740 \uc5f0\uad6c\ub97c \ud558\uace0 \uc788\uc9c0\ub9cc, \ud55c\ud3b8\uc73c\ub85c \ud5ec\ub9ac\ucf65\ud130\uc758 \uc18c\uc74c\uc740 \uacfc\uac70\uc5d0 \ud76c\ub9dd\uc758 \uba54\uc2dc\uc9c0\ub85c \uc791\uc6a9\ud574\uc654\ub2e4.<\/p>\n

\ubca0\ud2b8\ub0a8\uc804\uc5d0\uc11c \uc6d4\ub9f9\uad70\uc5d0\uac8c \ud3ec\uc704\ub418\uc5b4 \uc788\ub294 \ubbf8\uad70\uc5d0\uac8c \u201c\ud22c\ud22c\ud22c\ud22chellip\u201d \uc18c\ub9ac\ub97c \ub0b4\uba70 \ub098\ud0c0\ub0ac\ub358 \ud5ec\ub9ac\ucf65\ud130 \uc18c\ub9ac\ub294 \uc8fd\uc74c\uc744 \uc0b6\uc73c\ub85c \uc804\ud658\uc2dc\ud0a4\ub294 \uc18c\ub9ac\uc600\uace0, \ub2e4\uce58\uac70\ub098 \ubcd1\ub4e4\uc5b4\uc11c \ud6c4\uc1a1\uc744 \uae30\ub2e4\ub9ac\uace0 \uc788\uc744 \ub54c \uba40\ub9ac\uc11c \ub4e4\ub824\uc624\ub294 \ud5ec\ub9ac\ucf65\ud130 \uc18c\ub9ac\ub294 \ud76c\ub9dd\uc758 \uc0c1\uc9d5\uc73c\ub85c \uc5ec\uaca8\uc9c0\uace4 \ud588\ub2e4.<\/p>\n

\uc740\ubc00\ud788 \uce68\ud22c\ud558\uae30 \uc704\ud574\uc11c, \ud639\uc740 \uc880 \ub354 \ucf8c\uc801\ud55c \ud658\uacbd\uc744 \uc704\ud574\uc11c \ud5ec\ub9ac\ucf65\ud130 \uc18c\ub9ac\ub294 \uc904\uc5ec\uc57c \ud558\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc778 \uc0c1\uc2dd\uc774\uace0, \ubd84<\/p>\n","protected":false},"excerpt":{"rendered":"

\ud5ec\ub9ac\ucf65\ud130\ub294 \uc804\ud615\uc801\uc778 \ud68c\uc804\uc775\uae30(rotorcraft)\ub85c\uc11c, \uae30\uccb4 \uc911\uc2ec \ubd80\ubd84\uc5d0 \uc218\uc9c1\ubc29\ud5a5\uc73c\ub85c \ub098\uc640 \uc788\ub294 \ud68c\uc804\ucd95\uc5d0 \uba54\uc778\ub85c\ud130(\uc8fc \ud68c\uc804\ub0a0\uac1c)\uac00 \ub2ec\ub838\uace0, \uaf2c\ub9ac\ubd80\ubd84\uc5d0\ub294 \uc774\uc640 \ud568\uaed8 \ub3cc\uc544\uac00\ub294 \ud14c\uc77c \ub85c\ud130(\uaf2c\ub9ac \ud68c\uc804\ub0a0\uac1c)\uac00 \ub2ec\ub824 \uc788\ub294 \ud615\ud0dc\uac00 \ub300\ubd80\ubd84\uc774\ub2e4. \uba54\uc778\ub85c\ud130\uc5d0\ub294 \ube14\ub808\uc774\ub4dc\uac00 \ub2ec\ub824\uc788\uc5b4 \uc218\ud3c9\ubc29\ud5a5\uc73c\ub85c \ud68c\uc804\ud558\uba74\uc11c \uc591\ub825\uc744 \uc5bb\uc5b4 \uc0c1\uc2b9\uacfc \ud558\uac15\uc744 \ud560 \uc218 \uc788\uace0, \ud68c\uc804\uba74\uc5d0 \uacbd\uc0ac\ub97c \uc8fc\uc5b4 \uc804\ud6c4\uc88c\uc6b0 \ubc29\ud5a5\uc758 \ube44\ud589\uc744 \ub9c8\uc74c\ub300\ub85c \ud560 \uc218 \uc788\ub2e4. \uc774\ub7ec\ud55c \uc218\uc9c1\uc774\ucc29\ub959(VTOL Vertical Take-Off Landing) \ud2b9\uc131\uc5d0 \ub530\ub77c \uace0\uc815\uc775\uae30\uc5d0 \ube44\ud574 … <\/p>\n

\ub354 \ubcf4\uae30 “\ud0c0!\ud0c0!\ud0c0!\ud0c0! \ud5ec\ub9ac\ucf65\ud130\ub294 \uc65c \ud070\uc18c\ub9ac\ub85c \ube44\ud589\ud560\uae4c”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[5785],"tags":[5784],"class_list":["post-7897","post","type-post","status-publish","format-standard","hentry","category-5785","tag-5784","entry"],"_links":{"self":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/7897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7897"}],"version-history":[{"count":0,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/7897\/revisions"}],"wp:attachment":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7897"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}