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Characteristics of Cooling Down in the Enclosed Vacuum Tank by Water Driving Ejector

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대한기계학회 2003년도 추계학술대회 논문집

(2)
(3)

time, (min)

0 10 20 30 40 50 60 70 80 90

Pr es sure , (mm H g)

0 100 200 300 400 500 600 700 800

T

E

= 7.4

o

C T

E

= 13.8

o

C T

E

= 35.5

o

C T

E

= 49.8

o

C Initial Temp. of Ejector Water

ra tur , (

o C) 25 30 35 40 45 50 55

T

E

= 7.4

o

C T

E

= 13.8

o

C T

E

= 35.5

o

C T

E

= 49.8

o

C Initial Temp. of Ejector Water

대한기계학회 2003년도 추계학술대회 논문집

(4)

Time Mean Temp. of Ejector Driving Water (

o

C)

0 10 20 30 40 50 60

P ressure (mmHg )

20 40 60 80 100 120 140

P = 20.09

X

1.036

TE

time.(min)

0 20 40 60 80 100 120 140 160 180

Pr es su re .(m m Hg )

0 100 200 300 400 500 600 700 800

Type 1

Type 2

Type 3

(5)

p er at u re. (

o

C ) 15 20 25 30 35 40 45

T1 T2 T3 T4 Type 1

time. (min)

0 20 40 60 80 100 120 140 160 180

Tem p er atur e. (

o

C )

0 5 10 15 20 25 30 35 40 45

T1 T2 T3 T4 T5 T6 T7 T

E

Type 2

time. (min)

0 20 40 60 80 100 120 140 160 180

T em p er at u re. (

o

C )

0 5 10 15 20 25 30 35 40 45

T1 T2 T3 T4 T5 T6 T7 T

E

Type 3

time.(min)

0 20 40 60 80 100 120 140 160 180 Te m p . D iffe re nc e, T T,in -T T

0 1 2 3 4 5 6 7 8 9 10

Type 1 Type 2 Type 3

대한기계학회 2003년도 추계학술대회 논문집

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