Theoretical Analysis of the Pressure Drop in Loop Heat Pipe by Sintered Porous Wick Structure

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대학기계학회 2004년도 춘계학술대회 논문집

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Particle diameter(µm)

0 5 10 15 20 25 30 35 40

Pressure drop(mAq)

0.0 0.2 0.4 0.6 0.8

eyp=30%,thw= 5.0mm eyp=30%,thw= 7.5mm eyp=30%,thw=10.0mm eyp=50%,thw= 5.0mm eyp=50%,thw= 7.5mm eyp=50%,thw=10.0mm Div=2.5 mm

Qe=100 watt

Porosity(%)

25 30 35 40 45 50 55 60 65

0.0 0.2 0.4 0.6 0.8

thw = 5.0m m thw = 7.5m m thw =10.0m m Q e=100w att

div=2.5m m dsm =5µm

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Porosity(%)

25 30 35 40 45 50 55 60 65

0.0 0.2 0.4 0.6 0.8

dsm= 5µm dsm=15µm dsm=25µm dsm=35µm Qe=100w att

thw=10 mm

Div=2.5mm

Pressure(mAq)

0 2 4 6 8 10 12 14

Pcmhd(Tve=69C) Pdcp(eyp=30%,thw=5.0mm) Pdcp(eyp=30%,thw=7.5mm) Pdcp(eyp=30%,thw=10mm) Pdcp(eyp=50%,thw=5.0mm) Pdcp(eyp=50%,thw=7.5mm) Pdcp(eyp=50%,thw=10mm)

Div(mm)

2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

0.0 0.2 0.4 0.6 0.8 1.0 1.2

Pdv,dsm=5µm,Qe=100w pdw,eyp=30%,thw= 5.0mm Pdw,eyp=50%,thw= 5.0mm Pdw,eyp=30%,thw= 7.5mm Pdw,eyp=50%,thw= 7.5mm Pdw,eyp=30%,thw=10.0mm Pdw,eyp=50%,thw=10.0mm

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