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filmfoulingwallfoulingfilmThTcfhdhwdcfc T T QR T T T T R R R R

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(1)
(2)

film fouling

wall fouling

film Th

Tc fh dh

w

dc fc

Tc

Q Rfh Rdh Rw Rdc Rdh

Th

Tfh Tdh Tdc Tdh

(3)

film fouling

wall fouling

film Th

Tc fh dh

w

dc fc

Ao

Ai

(4)

Tc(0) Th(0)

Th(L) Tc(L)

Countercurrent

Th(0)

Tc(0)

Th(L) Tc(L)

Cocurrent

(5)
(6)
(7)
(8)
(9)
(10)
(11)

U

W

D

(12)
(13)
(14)

dA1

dA2

I 

I 

(15)

1-H ----HA

Eb J

Q

1-H ----HA

Eb J

Q

----1 A1F12

J1 J2

1-H ----HA2 1-H

----HA1

Eb1 Eb2

Q12

(16)

T1, A1

T2, A2

----1 A1F12

J1 J2

1-H

----HA2 1-H

----HA1

Eb1 Eb2

Eb3 1-H

----HA3 ----1 A2F23 ----1

A1F13

J3

----1 A1F12

J1 J2

1-H

----HA2 1-H

----HA1

Eb1 Eb2

----1 A2F23 ----1

A1F13

J3

(17)

1 m 2

Q/A

---1 A1F12(1-Hm)

J

1

J

2

1-H

----HA2 1-H

----HA1

E

b1

E

b2

---1 A2F2mHm ---1

A1F1mHm

E

bm

(18)

(m,n) (m+1,n) (m-1,n)

(m,n+1)

(m,n-1)

(Nx,Ny)

(Nx,n) (Nx-1,Ny)

(Nx,Ny-1) (Nx-1,Ny-1)

(Nx,n+1)

(Nx,n-1) (Nx-1,n)

(19)
(20)

참조

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