ÇÒ ¼ö ÀÖ°Åµç ³ÊÈñ·Î¼­´Â ¸ðµç »ç¶÷À¸·Î ´õºÒ¾î ÆòÈ­Ç϶ó [·Ò 12:18]
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µ¿¹°ÀÇ ½Åºñ HOME > ÀÚ·á½Ç > µ¿¹°ÀÇ ½Åºñ
³î¶ó¿î ¹ß°ß : »õÀÇ ³¯°³´Â ¡®¸®µù ¿¡Áö¡¯ ±â¼úÀ» °¡Áö°í ÀÖ¾ú´Ù.
(Amazing discovery: Bird wing has ¡®leading edge¡¯ technology)
David Catchpoole

    Á¡º¸Á¦Æ®±â³ª Çö´ëÀÇ ´ëÇü Ç×°ø±â°¡ Âø·úÇÏ·Á°í °øÇ×À¸·Î Á¢±ÙÇÒ ¶§, Á¶Á¾»ç´Â ºñÇà±â ³¯°³ÀÇ ¡®¸®µù ¿¡Áö(leading edges, Àü¿¬)¡¯¿¡ ÀÖ´Â Ç÷¦(flaps, ºñÇà±â ³¯°³ÀÇ ¾Õ µÚ °¡ÀåÀÚ¸®¸¦ ±ÁÇô ÀÌÂø·ú ½Ã Å« ¾ç·Â°è¼ö¸¦ ¾ò°Ô ÇÑ º¸Á¶ ³¯°³)À» ÆîÄ£´Ù. À̰ÍÀº Ç×°ø±â¸¦ ½ºÅ縵(stalling, ½Ç¼Ó) ¾øÀÌ ÈξÀ ³·Àº ¼Óµµ·Î ³¯ ¼ö ÀÖ°Ô ÇØÁØ´Ù. ÀÌ·ú°ú Âø·ú ½Ã¿¡ ¾ÈÀü¼ºÀ» Á¦°íÇÏ´Â ±×·¯ÇÑ ±â¼úÀÇ ¹ß°ßÀº Çö´ë Ç×°ø¼úÀÇ ¹ßÀü¿¡ ÇÙ½É ¿äÀÎÀÌ µÇ¾î¿Ô´Ù.[1]

 

¸®µù ¿¡Áö Ç÷¦(leading edge flaps)Àº Áö±Ý±îÁö »õ¿¡°Ô¼­´Â ¾Ë·ÁÁ® ÀÖÁö ¾Ê¾Ò´Ù. (´ëÃÊ¿ø Áö´ë¿¡ »ç´Â) ÃÊ¿ø¼ö¸®(steppe eagle, Aquila nipalensis)ÀÇ ºñÇà¼úÀ» ¿¬±¸ÇÏ´ø ¿Á½ºÆÛµå ´ëÇÐÀÇ ¿¬±¸¿øµéÀº ÀÌµé µ¶¼ö¸®µéÀÌ Âø·úÇÏ´Â ¿¬¼Ó°úÁ¤ µ¿¾È ÀϾ´Â ¡®¸®µù ¿¡Áö ±êÅÐÀÇ ÆíÇâ(leading edge feather deflections)¡¯À» ºñµð¿À·Î ÃÔ¿µÇÏ¿© ÀÌÁ¦ ±× Áõ°Å¸¦ °¡Áö°Ô µÇ¾ú´Ù.[2] New Scientist °¡ º¸µµÇÑ ´ë·Î¶ó¸é, ±× Çʸ§Àº ¸¶Ä¡ Á¡º¸Á¦Æ®±â°¡ ÇÏ´Â ¹æ½Ä°ú °°ÀÌ, »õµéÀÌ ¡®³¯°³ÀÇ Àü¸é °¡ÀåÀÚ¸®¿¡ ÀÖ´Â Ç÷¦À» ÆîÄ¡´Â¡¯ °ÍÀ» º¸¿©ÁÖ°í ÀÖ´Ù.[3] ¸®µù ¿¡Áö ³¯°³ Ç÷¦Àº »õÀÇ ½ºÅ縵À» Áö¿¬½Ã۰í, »õ°¡ Âø·úÀ̳ª ´Ù¸¥ µ¿ÀÛÀ» ÇÏ´Â µ¿¾È Á¶Á¤·ÂÀ» ³ôÀÏ ¼ö ÀÖ°Ô Çϸ鼭, Àú¼Ó¿¡¼­ ³¯°³ÀÇ ¾ç·ÂÀ» Áõ°¡½ÃÄÑÁÖ´Â »ó½Â ÀåÄ¡·Î¼­ÀÇ ¿ªÇÒÀ» ÇÏ´Â °ÍÀ¸·Î »ý°¢µÈ´Ù.[4] ´Ù½Ã ¸»Çϸé Ç÷¦ÀÇ È¿°ú´Â ¡±ÀÌ·± ºÒ¾ÈÁ¤ÇÑ µ¿ÀÛÀ» ÇÏ´Â µ¿¾È ³¯°³¸¦ ¾ÈÁ¤½ÃÄÑ ÁÖ´Â °ÍÀÌ´Ù¡±.[2] ±×¸®°í ±×°ÍÀº ÃÊ¿ø¼ö¸®¸¸ÀÌ ¾Æ´Ï°í, ´Ù¸¥ Å« Á¶·ùµéµµ ¸®µù ¿¡Áö ³¯°³ Ç÷¦À» »ç¿ëÇÑ´Ù°í »ý°¢µÈ´Ù.

±×·¸´Ù¸é ¿Ö ¿¬±¸¿øµéÀº »õµéÀÌ ±×·± ¡®¸®µù ¿¡Áö¡¯ ±â¼úÀ» °¡Áö°í ÀÖ¾ú´Ù´Â °ÍÀ» ÀÌÀü¿¡´Â º¸Áö ¸øÇߴ°¡? ±âº»ÀûÀ¸·Î ±×°ÍÀº »õµéÀÌ ÇÊ¿äÇÏ´Ù°í »ý°¢µÇ´Â Á¤È®ÇÑ ¼ø°£¿¡¼­¸¸, ¿¹ÄÁ´ë ÂøÁöÇÒ ¶§¿Í °°Àº °áÁ¤Àû ¼ø°£¿¡¼­¸¸ Ç÷¦À» ÆîÄ¡±â ¶§¹®ÀÌ´Ù. ±×·¯¹Ç·Î ¿¬±¸¿øµéÀÌ ±×°ÍÀ» °üÂûÇÒ ¼ö ÀÖ±â À§Çؼ­´Â, °í¼Ó ºñµð¿ÀÄ«¸Þ¶ó(ÀÌ °æ¿ì ÃÊ´ç 500 ÇÁ·¹ÀÓ)ÀÇ »ç¿ëÀÌ ¿ä±¸µÇ¾ú±â ¶§¹®ÀÌ´Ù. ±× Ä«¸Þ¶ó´Â »õ ³¯°³ÀÇ ¼Õ¸ñ¿¡¼­ ¾î±ú±îÁö ÆîÃÄÁ®ÀÖ´Â ±êÅÐÀÇ ¡®ÁøÇàÆÄ(travelling wave)¡¯·Î¼­ ³¯°³-Ç÷¦ÀÇ µ¿ÀÛÀ» Æ÷ÂøÇß´Ù. ÃÊ´ç ´õ ÀûÀº ÇÁ·¹ÀÓÀ» »ç¿ëÇÏ´ø ÀÌÀüÀÇ µ¿¿µ»óÀº ³Ê¹« ´À·Á¼­ ÀÌ·± µ¿ÀÛÀ» Æ÷ÂøÇÒ ¼ö°¡ ¾ø¾ú´Ù.
 
¿¬±¸¿øµéÀº ÀÌ ¹ß°ßÀÌ ¼ÒÇü ºñÇàü·Î ¾Ë·ÁÁø »õ Å©±âÀÇ °¨½Ã¿ë ºñÇàü(bird-sized surveillance aircraft)ÀÇ °³¹ßÀ» µµ¿ï ¼ö ÀÖÀ» °ÍÀ̶ó°í ¸»ÇÑ´Ù. ±×°ÍÀº ÀÚ¿¬¿¡ ÀÌ¹Ì Á¸ÀçÇϰí ÀÖ´Â ¾î¶² ±â¼úÀ» °üÃøÇÔÀ¸·Î¼­ ¿µ°¨À» ¾òÀº ù ¹øÂ°ÀÇ ¿¹°¡ ¾Æ´Ï´Ù. (¿¹ÄÁ´ë ³î¶ó¿î Àüº¹ÀÇ °©¿Ê(Abalone Armour), ¹ÚÁã ³¯°³ÀÇ °æÀ̷οò(Going batty over evolution), È­¼º ·Îº¿ ¼³°è¿¡ ¿µ°¨À» ÁØ °¡ÀçÀÇ ²¿¸®(Crayfish tail), ´ÞÆØÀÌÀÇ Áö³ª°£ ÀÚ±¹(Snail trail) µîÀ» º¸¶ó.)

¸¸ÀÏ Ç×°ø ±â¼úÀÚµéÀÌ ÀÚ¿¬°è¿¡¼­ ¸®µù ¿¡Áö ³¯°³ Ç÷¦ÀÇ Á¸À縦 Á»´õ ÀÏÂï ½Äº°ÇÒ ¼ö ÀÖ¾ú´Ù¸é, Ç×°ø±â¿¡ ±× ±â¼úÀº Á»´õ ÀÏÂï Àû¿ëµÉ ¼ö ÀÖ¾úÀ» °ÍÀÌ´Ù. ¶ÇÇÑ ÃÖ±Ù¿¡ ÀÍ·æ(pterosaurs)µéµµ ³¯°³ ¸®µù ¿¡Áö¿¡ Ç÷¦À» °¡Áö°í ÀÖ¾ú´Ù´Â °­·ÂÇÑ Áõ°Å°¡ ¹ß°ßµÇ¾ú´Ù.(¾Æ·¡ °ü·ÃÀÚ·á ¸µÅ© 1¹ø ÂüÁ¶)

ÀÌ·¯ÇÑ ÀÚ¿¬ÀÇ µðÀÚÀÎÀû Ư¼ºµéÀº ¹«ÀÛÀ§ÀûÀÎ µ¹¿¬º¯ÀÌ¿¡ ÀÇÇØ¼­ ¿ì¿¬È÷ ¸¸µé¾îÁø °ÍÀÌ ¾Æ´Ï¶ó, ¸í¹éÈ÷ ¼³°èµÇ¾îÁø °Íó·³ º¸Àδٴ °ÍÀÌ´Ù.[5] ±×·¸´Ù¸é ¡®¸®µù ¿¡Áö¡¯ ±â¼úÀ» Æ÷ÇÔÇÏ¿© ÀÚ¿¬¿¡¼­ º¸¿©Áö´Â ³î¶ó¿î ±¸Á¶µéÀ» ¸Ç óÀ½ ¼³°èÇϼ̴ø ¼³°èÀÚ(Designer), ±× ºÐÀº ´©±¸½Å°¡? ±× ºÐÀº âÁ¶ÁÖ Çϳª´ÔÀ̽аÍÀÌ´Ù!
 
Further reading
100 years of airplanes—but these weren¡¯t the first flying machines!
The technology of flight
Pterosaurs flew like modern aeroplanes

References
1. 1974³â 11¿ù¿¡ ÇÑ Á¡º¸Á¦Æ®±â°¡ ³ªÀ̷κñ °øÇ׿¡¼­ ºÎÁÖÀÇ·Î ±×ÀÇ ¸®µù ¿¡Áö Ç÷¦À» Á¢Áö ¾ÊÀº ä·Î ÀÌ·úÇßÀ» ¶§, ºñÇà±â´Â °Ý·ÄÇÏ°Ô ¶³·È°í(±Þ°ÝÇÏ°Ô ¼Óµµ°¡ ´Ê¾îÁö´Â ¡ÈÄ), ¶¥¿¡ Ãß¶ôÇÏ¿© ÆÄ±«µÇ¸é¼­ 59¸íÀÌ »ç¸ÁÇÏ¿´´Ù (98¸í »ýÁ¸). International Aviation Safety Association, The Nairobi 747 Crash, www.iasa.com.au/folders/Safety_Issues/others/Nairobi747Crash.html, accessed 1 June 2007.

2. Carruthers, A., Taylor, G., Walker, S., and Thomas, A., Use and Function of a Leading Edge Flap on the Wings of Eagles, 45th AIAA (American Institute of Aeronautics and Astronautics) Aerospace Sciences Meeting and Exhibit, 8–11 January 2007, Reno, Nevada;
http://pdf.aiaa.org/preview/CDReadyMASM07_1064/PV2007_43.pdf.
3. The steppe eagle has landed, New Scientist 194(2599):19, 14 April 2007.
4. Bakhtian, N., Spot the Difference?—An aerodynamic investigation of leading edge flaps in low Reynolds Number flight,
http://www.eng.cam.ac.uk/photocomp/2006/noelly42_1.shtml, 31 May 2007.
5. See Romans 1:20.

 

Ãâó : Creation on the web, 2007. 6. 26.
URL : http://creationontheweb.com/content/view/5125/
¹ø¿ªÀÚ : IT »ç¿ªÀ§¿øÈ¸

°ü·Ã ÀÚ·á ¸µÅ©:

1. ÀÍ·æµéÀº ¿À´Ã³¯ÀÇ ºñÇà±âó·³ ³¯¾Ò´Ù. (Pterosaurs flew like modern aeroplanes)
2. ¹ÚÁã´Â °ø±â ¿ªÇÐÀû ¿ì¿ù¼ºÀ» º¸¿©ÁØ´Ù. (Bats Exhibit Aerodynamic Superiority)
3. ¹úó·³ µÉ ¼ö ÀÖÀ»±î? : ³î¶ó¿î ¹úÀÇ ºñÇà°ú Ç×¹ý ÀåÄ¡µé (Can it bee?)
4. ÆÄ¸®°¡ ÆÄ¸®Ã³·³ ³¯ ¼ö ÀÖ´Â ÀÌÀ¯ : »õ·Ó°Ô ¹àÇôÁø ÆÄ¸®ÀÇ ³î¶ó¿î ºñÇà ¸ÞÄ¿´ÏÁò (Why a fly can fly like a fly)
5. ³î¶ó¿î °î¿¹ºñÇà - ÀáÀÚ¸® : À̵éÀº ¼ö¾ï ³â(?) ÀüºÎÅÍ µ¿ÀÏÇÏ´Ù (Astonishing acrobatics - dragonflies)
6. ³ªºñ°¡ ÆÞ·°°Å¸®´Â ÀÌÀ¯´Â? (Why a butterfly flutters by)
7. °æÀ̷οî Å×Å©³ë ºÎ¸® : ºñµÑ±â´Â ÃÖ÷´Ü ³ªÄ§¹ÝÀ» °¡Áö°í ÀÖ¾ú´Ù. (The Amazing Techo-Beak)
8. Á¦¿Õ³ªºñÀÇ Àå¾öÇÑ Àå°Å¸® ºñÇà : Á¦¿Õ³ªºñÀÇ ³î¶ó¿î Ç×ÇØ¼ú¿¡ ´ëÇÑ ÀüÀÚ°øÇÐÀÚÀÇ »ç»ö (The magnificent migrating monarch)
9. ³ª¹æµéÀº ¾ÏÈæ ¼Ó¿¡¼­µµ ¹Ù¶÷À» °Å½½·¯ Ç×ÇØÇÑ´Ù. (Moths Navigate in the Dark Against the Wind)
10. ³ªºñ ³¯°³ÀÇ °æÀÌ·Î¿î ³ª³ë±¸Á¶ (Butterfly Wings Flash Shiny Optical Tricks)
11. ¹ß±¤´ÙÀÌ¿Àµå´Â ³ªºñµéÀÌ ÃÖÃÊ·Î ¹ß¸íÇß´Ù (Butterflies Invented LEDs First)
12. »õµéÀº Ç×°ø ±â¼úÀ» ÁøÈ­½ÃÄ׳ª? (Did Birds Evolve Aeronautical Engineering?)
13. °æµµ¸¦ ÃøÁ¤Çϸç Ç×ÇØÇÏ´Â »õµé (Migrating Birds Measure Longitude)
14. ¹ú·¹µéÀÌ »ç¶÷º¸´Ù Çö¸íÇÒ ¼ö ÀÖÀ»±î? : ¹ÌÀûºÐÀ» °è»êÇϰí, Ãʰ­·Â ¹°ÁúÀ» ¸¸µå´Â ¹ú·¹µé (Can Worms Outsmart Humans?) 
15. »ý¹°µéÀÇ Èï¹Ì·Î¿î º»´Éµé (Intriguing instincts)
16. ö»õÀÇ ³í½ºÅé ºñÇà ½Å±â·Ï(11,679km)ÀÌ ¼ö¸³µÇ¾ú´Ù! (Bird Sets Record with 7,257-Mile Nonstop Flight)
17. ¼Ò¿Í »ç½¿µéÀº ³²ºÏ ¹æÇâÀ¸·Î Á¤·ÄÇÏ´Â °æÇâÀÌ ÀÖ´Ù. : »õ, ¹°°í±â, °ÅºÏ, ¹ÚÁã, ¼Ò, »ç½¿...µîÀÇ ÀÚ±âÀå °¨Áö´É·ÂÀÌ °¢°¢ µ¹¿¬º¯ÀÌ·Î? (Cattle Shown to Align North-South)
18. ¼ö¼ö²²³¢°¡ µÇ°í ÀÖ´Â µ¿¹°µéÀÇ Çö¶õÇÑ ¹«´Ìµé (Animal Patterning Keeps Scientists Puzzle-Solving)
19. °æÅº½º·± ³ª¹æ ³¯°³ÀÇ µðÀÚÀÎ (Marvellous moth motif)
 
 
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