nblib.library.kz - /elib/library.kz/jurnal/v_2007_2/

61 . .

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- [2]

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U- ,

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,

, -

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, .

-

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, U-

[3–5] ( . .). ,

[2],

,

, .

( )

[6]

f f

P T T

c m

q _{, ,} , (1)

m – -

; c_p – -

; _{f, f,} –

- .

, -

-

, -

. A_C

dt q de

q A

I_{C C S S,C} ^C , (2)

I_C – ,

;A_C – -

; _S – -

, -

; _S,C – -

;q_u –

-

; q – (

)

: 1 – U-

;

2 – ;

3 –

62

2007. 2

; dt de_C

– , -

- .

, - ,

, [4].

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.

(x,y) -

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S

IS . -

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.

- (

) [6]

q .

1 1 1

i 2, ,

4 2 4 2 2

g i P

C g C g

C C C

A T T T

T h

A

, (3)

1

T

g -

;

T

_g2 -

;

h

_C2 – -

;

i P, –

; _g2,i – - .

(3), q .

3 2 2

2

2

R

T T T

T A h

h

_{C r C C g} ^{C g} , (4)

1 1 1

, 2 ,

2 2 2 2 2

i g i

P

g C g C r

T T T

h T

, (5)

2

h

r –

.

, -

( -

) [4, 5], -

. -

, -

,

. U_C –

- , ,

x

dy dx x

T U x

q

, _{C C} , _a , (6)

T_C – ;T_a – -

.

-

x, -

x₀ -

-

O C C S

S

I dy U T T dy

0 -

- 0

0 , x

, y dy

C x

y C

dy ktdT dy

ktdT , (7)

t , -

, (7)

- [4]

C S S O C C C

U T I kt T

U dy

T d

2 2

. (8)

63 :

1.

dy

0

dT

_C

, y = 0.

2.

x

0

T

_b ,

T

_C

T

_b

x

₀ ,

2

/ D

l

y ,

x

0

T

_b – .

,

kt m² U^C

C S S O

C U

T I

T ,

m – , (8)

2 2

dy m

d

, (9)

dy 0

d y = 0

S S S O

b U

T I x₀

2

/ D

y l .

(9)

my C

my

sh

sh ₂

1 , (10)

shx – ( ) -

, -

-

, sh 2

x

x e

x e .

1. ., ., . -

// -

. 1976. 9. . 31-33.

2. ., ., . -

571657 ( ). . . 1977. 33.

3. . -

. , 2002.

244 .

4. ., ., ., -

.

// . -

. 2005. 3. . 184-89.

5. ., ., .,

. //

. 2004. 5. . 124-130.

6. ., . -

. .: , 1977. . 420.

7. ., ., .

. .: , 1982. . 77.

-

i .

Summary

The work demonstrates calculations of heating characte- ristics of a solar collector based on the equation of energy balance, which determines percentage of energy from falling radiation as a useful energy which is transferred to a heat-carrier by a rib-plate for reheating of frozen oil.

536.24.241

. . 2.03.07 .