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ÀÛ¼ºÀÚ Uploader : picktime ÀÛ¼ºÀÏ Upload Date: 2018-09-22º¯°æÀÏ Update Date: 2018-09-22Á¶È¸¼ö View : 3661

¹°Ã¼°¡ À¯Ã¼ ³»¿¡¼­ ¿îµ¿Çϰųª È帣´Â À¯Ã¼ ³»¿¡ ¹°Ã¼°¡ Á¤ÁöÇØ ÀÖÀ» ¶§ À¯Ã¼¿¡ ÀÇÇؼ­ ¿îµ¿¿¡ ¹æÇصǴ ÈûÀ» ¹Þ´Âµ¥ À̸¦ Ç×·ÂÀ̶ó°í ÇÑ´Ù. À¯Ã¼¿¡ ´ëÇÑ ¹°Ã¼ÀÇ »ó´ë¼Óµµ(À¯Ã¼ÀÇ È帧À» µû¶ó ¿òÁ÷ÀÌ´Â °üÂûÀÚ°¡ º» ¹°Ã¼ÀÇ ¼Óµµ)ÀÇ ¹Ý´ë¹æÇâÀ¸·Î Ç×·ÂÀÌ ÀÛ¿ëÇÑ´Ù.

FD = (1/2)*¥ñ*v^2*CD*A

FD : ¹°Ã¼°¡ ¹Þ´Â Ç×·Â (N)
¥ñ  : À¯Ã¼ÀÇ ¹Ðµµ (kg/m^3)
v  : À¯Ã¼¿Í ¹°Ã¼ÀÇ »ó´ë¼Óµµ (m/s)
Cd : Ç׷°è¼ö
A  : ¼Óµµ¿Í Á÷°¢ ¹æÇâÀ¸·ÎÀÇ ¹°Ã¼ÀÇ ´Ü¸éÀû (m^2)

Áö¸§ÀÌ DÀÎ ±¸ÇüÀÇ °æ¿ì A = (¥ð/4)*D^2 À̹ǷÎ, Ç×·ÂÀº ´ÙÀ½°ú °°´Ù.

FD = (¥ð/8)*¥ñ*v^2*CD*D^2


*** Âü°í¹®Çå[References] ***

https://terms.naver.com/entry.nhn?docId=1161782&cid=40942&categoryId=32227
https://en.wikipedia.org/wiki/Drag_(physics)
https://en.wikipedia.org/wiki/Drag_coefficient
FD = (¥ð/8)*¥ñ*v^2*CD*D^2
º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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