¹ÝÁö¸§ÀÌ °¢°¢ R1, R2 (m) (R1¡Â R2) ÀÎ µÎ ȸÀüÃàÀ» º§Æ®·Î ¿¬°áÇÒ ¶§, ȸÀüÃà Á߽ɰ£ÀÇ °Å¸®°¡ D (m) ¶ó¸é, ÇÊ¿äÇÑ º§Æ®ÀÇ ±æÀÌ´Â ´ÙÀ½°ú °°ÀÌ °è»êÇÒ ¼ö ÀÖ´Ù.
º§Æ®ÀÇ »ç¼±±æÀÌ
Ls = (D^2-(R2-R1)^2)^(1/2)
¶ÇÇÑ,
cos(¥è) = (R2-R1)/D ¡æ ¥è = arccos((R2-R1)/D)
¹ÝÁö¸§ R1ÀÎ ÃàÀ» °¨½Î´Â ±æÀÌ
LR1 = 2¥ðR1*¥è/180 = 2¥ðR1*arccos((R2-R1)/D)/180
¹ÝÁö¸§ R2ÀÎ ÃàÀ» °¨½Î´Â ±æÀÌ
LR2 = 2¥ðR2*(180-¥è)/180 = 2¥ðR2*(180-arccos((R2-R1)/D))/180
µû¶ó¼, Àüü º§Æ®ÀÇ ±æÀÌ´Â ´ÙÀ½°ú °°´Ù.
L = LR1+LR2+2Ls
= (¥ð/90)*(R1*arccos((R2-R1)/D)+R2*(180-arccos((R2-R1)/D))) + 2*(D^2-(R2-R1)^2)^(1/2)
*** Âü°í¹®Çå[References] ***
º¯¼ö¸í
Variable
º¯¼ö°ª
Value
º¯¼ö¼³¸í
Description of the variable