Study on a Operating Characteristics of Loop Heat Pipe Using a Brass Sintered Metal Wick-Water

vapor removal channel (groove)

eva. cond.

compensation chamber.

wick [side view]

liquid

vapor

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Heater Insulating material : Thermocouple

T P

T P

Data logger PC

Flowmeter Variable temperature

water circulation bath

Power supplier T P /

: Pressure sensor

1 9 10 11 12

~ ¹³ 14

15 16

17 18 19 20 22 21

23

Row Sives 배합

성 형

(500 - 3000 kgf/ ㎠)

1차 소결(예비소결)

(400 - 500 ℃, 5-10 min.)

2차 소결(본소결)

(700 - 900 ℃, 20-60 min.)

후처리

(가공및 세척등)

Time(sec)

0 2000 4000 6000 8000

Temperature(oC)

10 20 30 40 50 60 70 80

T_heat_avg vapor10 vapor11 vapor12 vapor13 cond15 cond16 cond17

Working point Heating point

Water(30cc)

Q_in = 30 (W), T_cwin = 20 (^oC)

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Time(sec)

4000 5000 6000 7000 8000

Q(W)

0 20 40 60 80 100

Q input Q actual Water(30cc)

Q_in = 30 (W), T_cwin = 20 (^oC)

Water, T_cwin=20(^oC)

Q_eva (W)

20 30 40 50 60 70 80

R (o C / W)

0.5 1.0 1.5 2.0 2.5

30cc 40cc

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