Architecture
°ÇÃà Architecture


ÃÖÀû¼ö¸®´Ü¸é(best hydraulic cross-section), »ï°¢Çü(triangle) ´Ü¸é

ÀÛ¼ºÀÚ Uploader : anyway ÀÛ¼ºÀÏ Upload Date: 2022-06-01º¯°æÀÏ Update Date: 2022-06-01Á¶È¸¼ö View : 515

µ¿¼ö¹Ý°æ Rh °¡ ÃÖ´ë°¡ µÇ´Â ´Ü¸éÀÌ´Ù.

Rh = A/P

¿¡¼­,

A = (1/2)bh

P = 2*sqr((1/4)b^2+h^2)

À̹ǷÎ, P ¸¦ ´ÜÀ§±æÀÌ 1 ·Î ÀâÀ¸¸é,

4*((1/4)b^2+h^2) = 1

b^2+4h^2 = 1

b = sqr(1-4h^2)

ÀÌ µÇ°í,

A = (1/2)sqr(1-4h^2)h = (1/2)sqr(h^2-4h^4)

h^2-4h^4 ÀÌ ÃÖ´ëÀÏ ¶§ A °¡ ÃÖ´ë°¡ µÇ¹Ç·Î,

2h-16h^3 = 0 ·Î ºÎÅÍ, h=1/sqr(8) ÀÌ´Ù.

µû¶ó¼­,

b = sqr(1-1/2) = 1/sqr(2)  

ÀÌ°í,

h : b = 1/sqr(8) : 1/sqr(2) = 1/2 : 1

b = 2h

ÀÇ °ü°è°¡ ÀÖ´Ù. ÀÌ´Â »ï°¢Çü ¼ö·ÎÀÇ Á߽ɰ¢ÀÌ 90¢ª ÀÓÀ» ÀǹÌÇÑ´Ù.

Åë¼ö´Ü¸éÀûÀÌ A (m^2) ÀÏ ¶§,

A = (1/2)bh

b=2h À̹ǷÎ,

h = sqr(A)

°¡ µÈ´Ù.

*** Âü°í¹®Çå[References] ***

h = sqr(A)
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º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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