분야
pptx2. Heat Exchanger Design
2-1. structure
2-2. flow & principle
3. Structural Elements
3-1. Material of pipe & fin
3-2. Nano - fluid
4. Expected Effect
5. Reference
Light & Thin
Emitted heat temperature
35 ~ 40 ℃
Operation Temperature
Frequently used
Speed
↓
These factors must be considered when designed
High Volatility
High Specific heat
Fluid
This cycle is repeated
‘Phase Change’ makes
Heat exchange
‘Thin Layer’ maintaines
this system
This cycle is repeated
Interaction with
Fluid & wall
+
Miniature size formation
↓
Thin layer is maintained
uniformly
▼ View from Above
A large number of
compact pipes
Make the
Surface area Larger
▼ View from Side
Fin
Thin and insulated panel
Fix the pipes
make cooling space with air
between the fins
Titanium
Light weight↓
High thermal conductivity↑
High strength↑
High corrosion resistance↑
[2] power semiconductor cooling solution / thermacore / p1-8
[3] MEMS 기술 및 시장 동향 / IT 테마정보 / 권재홍, 주병권 / 2007 / p1-7
[4] 소형 전자장치의 냉각에 대한 기본 기술 / 한국과학기술정보연구원 / p86-90
[5] 탄소나노튜브 적용 나노유체의 임계 열유속까지의 비등 열전달계수 /
대한기계학회논문집 B권 제 35권 제 7호 / 박기정 외 3인 / 2010 / p665-669
[6] 나노유체를 냉각유체로 사용하는 마이크로 채널 히트 싱크의 냉각효율 /
설비공학 논문집 제 17권 제9호 장석필 / 2005 / p849-854
