1. °³¿ä

°¢°¢ÀÇ Àåºñ¿¡ ¼Ò¿äµÇ´Â °ø±â ¼Ò¸ð·®À» È®ÀÎÇϱâ À§ÇÑ ¹æ¹ýÀ¸·Î ÀåÂøµÈ NozzleÀÇ Á÷°æ »ç¿ë Nozzle ¼ö µîÀ»
ÆÄ¾ÇÇÏ¿© Àüü¿¡ ¼Ò¿äµÇ´Â °ø±â ¼Ò¸ð·®À» È®ÀÎÇϱâ À§ÇÔ.

2. [¿¹Á¦1]
NozzleÀÇ Á÷°æÀÌ ¥Õ2.5mm, Nozzle ºÐÃâ Á÷ÀüÀÇ °ø±â ¾Ð·Â 5 kg/§², ºÐÃâ °ø±â¿Âµµ30¡É, Nozzle ¼ö°¡ 5EA ÀÏ ¶§ °ø±âÀÇ ¼Ò¸ð·®Àº?

Pa=5 kg/§²

Nozzle ¥Õ2.5mm¡¿5°³¼Ò
Nozzle 1°³¿¡¼­ÀÇ ºÐÃâ °ø±â·®Àº?

                        ¥ðd²/4×Po     60×1000
 M max.=0.686 ----------- × ---------§¤/min
                         ¡îR×To            1.2

¿©±â¼­ d(Nozzle Á÷°æ)=¥Õ2.5mm=¥Õ0.0025m

          Po= Àý´ë¾Ð·Â(Pascal·Î ȯ»ê)

                5 kg/§²¡æÀý´ë¾Ð·Â 6.03323 kg/§²

                1 kg/§² =98.07kPa=98070Pa

                µû¶ó¼­ 6.03323×98070=59167Pa

           R= °ø±âÀÇ ±âü »ó¼ö(N. m/kg. ¢ªK·Î ȯ»ê

                29.27kg.m/kg.¢ªK×9.81=287 N. m/kg. ¢ªK

         To= °ø±âÀÇ Àý´ë¿Âµµ(¡É+273) ¢ªK

               30¡É+273=303 ¢ªK

µû¶ó¼­,
                          ¥ð×0.0025²/4×59167     60×1000
 M max.= 0.686 ------------------ × --------- §¤/m
                             ¡î287×303                1.2
            = 337.8 §¤/min  

Nozzle ¼ö°¡ 5°³À̹ǷÎ
¼Ò¸ð °ø±â·® QT= 337.8 §¤/min ¡¿ 5EA
= 1689 §¤/minÀÌ µÈ´Ù.


3. [¿¹Á¦ 2] ¶Ç´Â ´ÙÀ½°ú °°Àº ¹æ¹ýÀ¸·Îµµ »êÁ¤ ÇÒ ¼ö ÀÖ´Ù.

Nozzle 1°³¿¡¼­ÀÇ ºÐÃâ °ø±â·®Àº
                             237.6       ACP
 V = ------- × ------ §¤/min
            r            ¡î T1

¿©±â¼­ A= Nozzle ´Ü¸éÀû
          P= Àý´ë¾Ð·Â(P+1.03323 kg/§²)
          C= À¯·®°èÃø 100%=1
          T1= Àý´ë¿Âµµ(t+273)
          V= °ø±âÀÇ ºÐ»ç·® §¤/min
          r= °ø±âÀÇ ºñÁß·® 1.2 kg/§²
             30¡É+273=303 ¢ªK
µû¶ó¼­,
                           237.6       ¥ð/4×2.5²×1×(5+1.03323)
V = ------- × ----------------------- =336.9 §¤/min
        1.2                  ¡î(30+273
Nozzle ¼ö°¡ 5°³À̹ǷÎ
¼Ò¸ð °ø±â·® QT= 336.9 §¤/min × 5EA
                     = 1684 §¤/minÀÌ µÈ´Ù.
 

4. [¿¹Á¦ 3] NozzleÀÇ Á÷°æÀÌ ¥Õ1.0mm, Nozzle ºÐÃâ Á÷ÀüÀÇ °ø±â ¾Ð·Â 7 kg/§²,ºÐÃâ °ø±â¿Âµµ20¡ÉÀ϶§ÀÇ
ºÐ»ç °ø±â·®Àº?
                          237.6       ¥ð/4×1²×1×(7+1.03323)
V = ------- × ----------------------- =72.9¡Ö73 §¤/min
         1.2                ¡î(20+273)


   ¡¬ ¾Ð·Â

³ëÁñ   ¡¬
±¸°æ
dmm

°Ô ÀÌ Áö ¾Ð ·Â kg/§²

1

2

3

4

5

6

7

8

9

10

0.2

0.7

1.1

1.5

1.9

2.2

2.6

2.9

3.6

3.6

4.0

0.4

3.0

4.4

5.9

7.3

8.8

10.2

11.7

13.1

14.6

16.0

0.6

6.4

10.0

13.2

16.4

19.7

23.0

26.2

29.5

32.8

36.0

0.8

11.8

17.6

23.4

29.2

35.0

40.8

46.6

52.4

58.3

64.1

1.0

18.4

27.5

36.6

45.7

54.9

63.8

72.9

81.9

91.0

100.1

1.3

31.2

46.5

61.8

77.1

92.5

107.8

123.2

138.5

153.8

169.2

1.5

41.5

61.9

82.3

102.7

123.1

143.6

164.0

184.4

204.8

225.2

2.0

73.8

110.1

146.3

182.6

219.0

255.2

291.5

327.8

364.1

400.4

3.0

166.30

247.6

293.3

410.9

492.6

574.2

655.9

737.5

819.1

900.8

3.4

213.2

318.1

422.9

527.8

632.7

737.5

842.4

947.3

1052.1

1157.0

3.8

266.3

397.3

528.3

659.3

790.3

921.3

1052.3

1183.3

1314.3

1445.3

4.0

295.1

440.2

585.4

730.5

875.7

1020.8

1166.0

1311.1

1456.2

1601.4

4.7

407.4

607.8

808.2

1008.6

1208.9

1409.4

1609.7

1810.1

2010.5

2210.9

5.0

461.1

687.9

914.6

1141.4

1368.2

1595.0

1821.8

2048.6

2275.4

2502.2

6.0

663.9.

990.5

1317.1

1643.7

1970.2

2296.8

2623.4

2950.0

3276.5

3603.1

7.0

903.7

1348.2

1792.7

2233.2

2681.7

3126.2

3570.7

4015.2

4459.7

4904.2

8.0

1180.3

1760.9

2341.5

2922.6

3502.6

4083.2

4663.8

5244.4

5825.0

6405.5

9.0

1493.8

2228.6

2963.4

3698.2

4433.0

5167.8

5902.6

6637.4

7372.2

8107.0

10.0

1844.3

2751.4

3658.6

4565.7

5472.9

6380.0

7287.2

8194.3

9101.5

10008.7

12.0

2655.7

3962.0

5268.3

6574.6

7880.9

9187.2

10493.5

11799.8

13106.2

14412.5

18.0

5975.4

8914.5

11853.7

14792.9

17732.1

20671.3

23610.5

25649.7

29488.8

32428.0

35.0

22592.0

33704.1

44817.3

55930.0

67042.7

78155.3

89268.0

100380.6

111493.3

122605.9

 
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