xwing | 2010-02-18 17:00:11
Á¶È¸ 3047 | Ãßõ 1 | ´Ù¿î·Îµå 0
It is apparent that more concern has been paid to shaping, but there are still many surface intersections and flight-test probes that will [increase the radar] signature," says a senior U.S. Air Force officer involved in development of the F-117 and F-35. "In addition, we need to understand the mechanics of the very large inlets to determine how and if engine [radar reflection] blockage is achieved. And those wing leading-edge devices present a challenge for signature control."
The prototype has a number of features that are not stealthy, including the infrared-search-and-track ball on the nose, the canopy frame, gaps around the inlets, and various unshielded intakes and grilles. There are no signs of any low-observable coatings and materials, but they would not be necessary for first flight, say analysts.
±×³É ¸®Ç÷Π´Þ·Á´Ù°¡ ±×³É »õ·Î ±Û·Î ¾²°Ú½À´Ï´Ù..
Áö±Ý Àú ºÎºÐÀº ¹¹ ¿ä¾àÇϸé ù ¹ø° ¹®´ÜÀº PAK-FA°¡ ¾î¶»°Ô ½ºÅÚ½º¸¦ ÀÌ·ï³¾ ¿¹Á¤ÀÎÁö ½Å±âÇÑ ºÎºÐÀÌ ¸¹´Ù, ±×¸®°í µÎ¹ø° ¹®´ÜÀº ÇöÀç ºñÇàÇÑ PAK-FA ½ÃÁ¦±â´Â ±× ÀÌ¿Ü¿¡µµ ½ºÅÚ½º¶û °Å¸®°¡ ¸Ö¾î ºÆ´Â ºÎºÐÀÌ ¸¹Áö¸¸ ¾Æ¸¶ ÃʵµºñÇàÀ» À§ÇÑ °Í °°´Ù ¶ó´Â À̾߱âÀÔ´Ï´Ù. ´Ù¸¸ ¹Ø¿¡ ±èº´±â´ÔÀÌ ¾ð±ÞÇϽŠ¸®ºªÀ̳ª Ç¥¸é ¸¶°¨Ã³¸®¿¡ ´ëÇÑ ¾ð±ÞÀº ¾ø½À´Ï´Ù....
ù¹ø° ¹®´Ü¿¡¼ ÁöÀûÇÑ 'still many surface intersections'¿¡¼ surface intersections´Â Ç¥¸éÀÚü¸¦ ¸»ÇÏ´Â °ÍÀÌ ¾Æ´Ï¶ó ¸éÀÌ ¸¸³ª´Â ÁöÁ¡, Áï ¸ð¼¸®¸¦ ¸»ÇÏ´Â °Ì´Ï´Ù. º»·¡ ½ºÅÚ½º±â¿¡°Ô ¸ð¼¸®´Â ±×·¸°Ô ÁÁÀº ºÎºÐÀÌ ¾Æ´ÏÁÒ(F-117 ó·³ ¸ð¼¸®·Î¸¸ ÀÌ·ïÁø ±«¶öÇÑ ¹°°Çµµ ÀÖÁö¸¸). ´õºÒ¾î ºñÇà½ÃÇè¿ë ÃøÁ¤ÀåÄ¡µé(flight test probes)ÀÌ ¿©±âÀú±â ÀÖ´Â °Íµµ ¾ð±ÞÇÏ°í ÀÖ½À´Ï´Ù¸¸, ¹¹ ÀÌ°Å¾ß À̸§ ±×´ë·Î ½ÃÇè¿ë ÀåÄ¡µéÀ̴ϱî¿ä. ¾Æ¸¶ ³ªÁß¿¡´Â F-22³ª F-35ó·³ ÃøÁ¤ ÀåÄ¡µéÀÌ ÃÖ¼ÒȵǰÚÁö¿ä.
±× ´ÙÀ½¿¡ ¾ð±ÞÇÏ´Â 'very large inlets'´Â ¸» ±×´ë·Î °ø±âÈíÀÔ±¸°¡ Àú·¸°Ô Å«µ¥ ¾î¶»°Ô °ø±âÈíÀÔ±¸¿¡¼ ¹ß»ýÇÏ´Â RCS¸¦ ÁÙÀÏ °ÍÀÎÁö ±Ã±ÝÇÏ´Ü ¼Ò¸®ÀÔ´Ï´Ù.
±×¸®°í ³ª¼ ¾ð±ÞÇÏ´Â 'leading-edge devices'´Â ³¯°³ ¾ÕÀü ÀÚü¸¦ ÀǹÌÇÏ´Â °ÍÀÌ ¾Æ´Ï¶ó ¿©±â¿¡ ÀÖ´Â ÀåÄ¡(device), Áï ³¯°³ ¾ÕÀü Ç÷¦À» ¸»ÇÏ´Â °ÍÀÔ´Ï´Ù. »ç½Ç F-22, F-35µµ ³¯°³ ¾ÕÀü Ç÷¦À» »ç¿ëÇÏ´Â ¸¶´ç¿¡ ¿Ö °©ÀÚ±â À̺κÐÀ» °¡Áö°í ÅÂŬÀÏ±î ½Í±âµµ ÇÕ´Ï´Ù¸¸...¾Æ¸¶µµ LERX(³¯°³ ¾ÕÀü ¿¬ÀåºÎ, ÈçÈ÷ ½ºÆ®·¹ÀÌÅ©¶ó°í ´õ ¸¹ÀÌ ºÎ¸£´Â ºÎºÐ)°¡ °¡µ¿ÇüÀÎ °ÍÀ» º¸°í ¸»ÇÏ´Â µí ÇÕ´Ï´Ù.
µÎ¹ø° ¹®´Ü¿¡¼´Â '½ºÅÚ½º °°Áö ¾ÊÀº ºÎºÐÀÌ ¿©·¯°÷ ÀÖ´Ù.'¶ó¸ç ÀÌ°÷Àú°÷À» ÁöÀûÇÏÁö¸¸ ¹®´Ü ¸»¹Ì¿¡ 'ÇÏÁö¸¸ À̰͵éÀº ÃʵµºñÇàÀ» Çϴµ¥ Áß¿äÇÑ °ÍµéÀÌ ¾Æ´Ï´Ù.'¶ó°í ¸»ÇÏ°í ÀÖ½À´Ï´Ù. ¹¹ ±ÛÀ» ¾´ ÇÊÀÚ º»Àεµ ¾ç»êÇüÀÌ µÇ¸é ¼öÁ¤µÇÁö ¾ÊÀ»±î..? ¶ó°í »ý°¢ÇÑ °ÍÀÌ°ÚÁö¿ä. ¿©±â¼ ±¸Ã¼ÀûÀ¸·Î ¾ð±ÞÇÑ ºÎºÐµéÀº
-±â¼ö ºÎºÐÀÇ IRST(infrared-search-and-track ball)
-ij³ëÇÇ ÇÁ·¹ÀÓ
-°ø±âÈíÀÔ±¸ÂÊÀÇ Å« Æ´(gap)
-º°µµ·Î 󸮵ÇÁö ¾ÊÀº ´Ù¾çÇÑ ÈíÀÔ±¸µé°ú ±×¸±
ÀÔ´Ï´Ù.
¿©±â¼ IRST¾ß ´Ùµé ¾Æ½ÇÅ×°í, ij³ëÇÇ ÇÁ·¹ÀÓµµ Áö±ÝÀº µÚÂÊÀÌ Á» º¹ÀâÇÏ°Ô »ý°å´Âµ¥ ³ªÁß¿¡ °¡¸é ´õ ´Ü¼øȽÃÅ°°ÚÁö¿ä(F-22´Â ij³ëÇÇ ÇÁ·¹ÀÓÀÌ ¾Æ¿¹ ¾ø°í F-35´Â ¾ÕÂÊ¿¡ ÇÑ ÁÙ ÀÖÁÒ..¹¹ F-117Àº ´õ º¹ÀâÇÏ°Ô »ý°åÁö¸¸).
°ø±âÈíÀÔ±¸ÂÊÀÇ Å« Æ´Àº °ø±âÈíÀÔ±¸¿Í µ¿Ã¼ »çÀÌ°¡ ¶³¾îÁ®ÀÖ´Â °ÍÀ» ¾ð±ÞÇÏ´Â °Í °°½À´Ï´Ù. ÀÌ ºÎºÐÀº µ¿Ã¼¿¡ ÀÇÇØ ¼Óµµ°¡ ´À·ÁÁø °ø±â(°æ°èÃþ)ÀÌ ¿£ÁøÂÊÀ¸·Î µé¾î°¡Áö ¾Êµµ·Ï ÀϺη¯ °Å¸®¸¦ ¹ú·Á ³õÀº °ÍÀÌÁÒ(°æ°èÃþºÐ¸®±â¶ó°í ÇÕ´Ï´Ù). ¹°·Ð ÀÌ·± Æ´Àº ½ºÅÚ½º±â¿¡°Ô ¾ÈÁÁ±ä ÇÕ´Ï´Ù...¸¸ F-22¿¡µµ ÀÌ Æ´ÀÌ ÀÖ½À´Ï´Ù(F-35´Â µ¶Æ¯ÇÑ °ø±âÈíÀÔ±¸ Çü»óÀ» äÅÃÇÏ¿© °á±¹ ¾ø¾ÝÁÒ).
¸¶Áö¸·ÀÇ º°µµ·Î 󸮵ÇÁö ¾ÊÀº ´Ù¾çÇÑ ÈíÀÔ±¸µé°ú ±×¸±(various unshielded intakes and grilles)Àº º»·¡ÀÇ °ø±âÈíÀÔ±¸ º¸´Ù´Â º¸Á¶°ø±âÈíÀÔ±¸µéÀ» ¾ð±ÞÇÏ´Â °Ì´Ï´Ù(¿£Áø °ø±âÈíÀÔ±¸¶óºÁ¾ß 2°³Àε¥ various¶ó ÇÒ ÇÊ¿ä´Â ¾ø°ÚÁÒ..±×¸®°í ÀÌ ÇÊÀÚÀÇ °æ¿ì¿¡´Â ¿£Áø¿ë °ø±âÈíÀÔ±¸´Â inletÀ̶ó°í¸¸ Àû°í ÀÖ½À´Ï´Ù.).
°ø±âÈíÀÔ±¸ ÁÖº¯¿¡ ƯÈ÷ ÀÛÀº ÈíÀÔ±¸µéÀÌ ¸¹ÀÌ º¸À̴µ¥, °³ÀÎÀûÀÎ ÃßÃøÀ¸·Î´Â ¿£Áø ¹ØÂÊÀÇ °ÍÀº º¸Á¶°ø±âÈíÀÔ±¸ÀÌ°í Á¿ìÃø¸é ÂÊÀÇ ±×¸± ÇüÅÂÀÇ ºÎºÐÀº °æ°èÃþ Á¦°Å¿ë ¹è±â±¸°¡ ¾Æ´Ò±î ½Í½À´Ï´Ù(Su-27µµ °ø±âÈíÀÔ±¸ ±Ùó¿¡ ºñ½ÁÇÑ ºÎºÐÀÌ ÀÖÁÒ).
F-22ÀÇ °æ¿ì¿¡´Â º¸Á¶°ø±âÈíÀÔ±¸´Â µîÂÊ¿¡ ÀÖ±ä Çѵ¥ Å鳯¹«´Ì·Î ¸¶°¨µÈµ¥´Ù°¡ Æò¼Ò¿£ ´ÝÇôÀÖ°í(°øÁß±ÞÀ¯±¸ Á¿쿡 ÀÖ½À´Ï´Ù), ¶Ç ÀÎÅ×ÀÌÅ© ÁÖº¯¿¡ ±×¸± ÇüÅ·Π³ëÃâµÈ ºÎºÐÀº ¾Æ¿¹ ¾øÁö¿ä... ´Ù¸¸ F-22ÀÇ °æ¿ì APU¿ë ¹è±â±¸°¡ µ¿Ã¼ À§ÂÊ ÁÂÃø¿¡ ÀÖ±ä Çѵ¥ »çÁø»óÀ¸·Ð ¾î¶²½ÄÀ¸·Î ¸¶°¨µÇ¾î ÀÖ´ÂÁö Àß ¾Èº¸ÀÔ´Ï´Ù. ¾Æ¿¹ ±¸¸ÛÀÌ ¶Õ·ÁÀְųª F-15 ½ºÅ¸ÀÏ·Î ±×¸± ÇüÅ·ΠµÈ °Í °°Áø ¾ÊÀºµ¥ ¸»ÀÌÁÒ. ¾î¼¸é ¸Á ÇüÅ·ΠµÇ¾îÀÖ´ÂÁöµµ ¸ð¸£ÁÒ(F-117ÀÇ ¿£Áø °ø±âÈíÀÔ±¸ ó·³) #(´Ù½Ã ã¾Æº¸´Ï F-22 APUÀÇ Èí/¹è±â±¸´Â °³Æó½ÄÀ̱º¿ä...Áß·® ´ã´çÇÏ°í ÇϺνýºÅÛ ¼³°èÀÚµéÀÌ ²Ï³ª ÅøÅø°Å·ÈÀ» µí. ¤¾¤¾)
´ñ±Û [17]
xwing | 2010-02-18 | ̵̧ 0
http://knol.google.com/k/fifth-generation-fighter-aircraft-fgfa-pak-fa-t-50#
hykochu | 2010-02-18 | ̵̧ 0
Ä«º» ÇÁ¶ó½ºÆ½ º¹ÇÕÀç°¡ ±âüÀÇ 40% ÀÌ»ó »ç¿ëµÈ´Ù°í ³ª¿À´õ±º¿ä.
xwing | 2010-02-18 | ̵̧ 1
xwing | 2010-02-18 | ̵̧ 1
xwing | 2010-02-18 | ̵̧ 0
±èº´±â | 2010-02-18 | Ãßõ 0
±èº´±â | 2010-02-18 | Ãßõ 0
±èº´±â | 2010-02-18 | Ãßõ 0
xwing | 2010-02-18 | ̵̧ 2
hykochu | 2010-02-18 | ̵̧ 0
http://www.ausairpower.net/APA-2010-01.html
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hykochu | 2010-02-18 | ̵̧ 0
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