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ÀÛ¼ºÀÚ Uploader : mangsteen ÀÛ¼ºÀÏ Upload Date: 2018-09-28º¯°æÀÏ Update Date: 2018-09-28Á¶È¸¼ö View : 3064

±×¸²°ú °°ÀÌ Á÷°æ D ÀÎ ¿øÅëÇü ¼öÁ¶¿¡, ÃⱸÁ¡ Á߽ɿ¡¼­ ºÎÅÍ ³ôÀÌ h¿¡ ¼ö¸éÀÌ À§Ä¡ÇØ ÀÖÀ» ¶§, ¹è¼ö¸¦ ½ÃÀÛÇÏ¿© ½Ã°£ t (ÃÊ) ÈÄÀÇ ¼öÀ§ ht´Â ´ÙÀ½°ú °°ÀÌ ±¸ÇÒ ¼ö ÀÖ´Ù.

¾Æ·¡ÀÇ Àú¼öÁöÀÇ ¹è¼ö ½Ã°£ t (ÃÊ) °è»ê½ÄÀ» ÀÌ¿ëÇÑ´Ù.

t = 2*A/(Cd*a*(2*g)^(1/2)) * (h^(1/2)-ht^(1/2))

Cd : À¯·®°è¼ö
A : ¼öÁ¶ÀÇ ´Ü¸éÀû ( = (¥ð/4)D^2)
a : ÃⱸÀÇ ´Ü¸éÀû ( = (¥ð/4)d^2)
h : Ãⱸ Áß½ÉÀ» ±âÁØÀ¸·Î ÇÑ Ãʱâ¼öÀ§ (m)
ht : ½Ã°£ t ¿¡¼­ Ãⱸ Áß½ÉÀ» ±âÁØÀ¸·Î ÇÑ ¼öÀ§ (m)

À§ ½ÄÀ» Á¤¸®Çϸé, ´ÙÀ½°ú °°´Ù.

h^(1/2)-ht^(1/2) = t(Cd*a*(2*g)^(1/2))/(2A)  

-ht^(1/2) = (1/2)(t(Cd*d^2*(2*g)^(1/2))/D^2  - 2h0^(1/2))

ht = (1/4)(2h^(1/2)-t(Cd*d^2*(2*g)^(1/2))/D^2)^2



*** Âü°í¹®Çå[References] ***

ht = (1/4)(2*h^(1/2)-Cd*(d/D)^2*(2*g)^(1/2)*t)^2
º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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