传热模块简介
1998 2015 COMSOL www.cn.comsol.com/patents 7,519,518; 7,596,474; 7,623,991; 8,457,932; 8,954,302 COMSOL (www.cn.comsol.com/comsol-license-agreement) COMSOL, COMSOL Multiphysics, Capture the Concept, COMSOL Desktop, LiveLink, COMSOL Server COMSOL AB COMSOL AB www.cn.comsol.com/trademarks. COMSOL 5.1 COMSOL www.cn.comsol.com/contact www.cn.comsol.com/ contact/offices COMSOL Access www.cn.comsol.com/support/case www.cn.comsol.com/support www.cn.comsol.com/product-download www.cn.comsol.com/support/updates COMSOL www.cn.comsol.com/community www.cn.comsol.com/events COMSOL www.cn.comsol.com/video www.cn.comsol.com/support/knowledgebase Part number: CM020804
............................................. 5............................... 6 App................................................ 7.................................... 14................ 17............................... 21.......................................... 21.............................................. 23............................ 41 3
4
1: App COMSOL 5
2: ( ) ( ) y+ L-VEL k- k- 6
DOM P1 ( ) ( ) COMSOL ( ) COMSOL Desktop App 7
App App App App App COMSOL Multiphysics 3: App App App Building and Constructions 8
4: Thermal Bridge 3d two floors App Heat Exchangers 9
5: - Shell-and-Tube Heat Exchanger App Medical Technology ( ) ( ) App Phase Change 10
App Power Electronics and Electronics Cooling ( ) App 6: Electronic Enclosure Cooling App Thermal Contact and Friction App Thermal Processing 11
7: ( ) App Thermal Radiation App Thermal Stress MEMS App Tutorials App Verification Examples COMSOL Multiphysics 12
8: COMSOL Multiphysics ( ) 13
( ) 14
( ) (LTNE) ( ) ( ) ( ) ( ) 15
( ) - - AC/DC ( ) Brinkman - ' Re,k- ' ( ) ', k- ' ( ) k- y+ L-VEL CFD ' k- ' Spalart-Allmaras SST (Shear Stress Transport) ( ) 16
( ) ( ) ( ) ( ) ( ) ( ) COMSOL (1) spf y+ spf L-VEL spf k- spf ; ; 17
Re k- spf ; (2) y+ L-VEL k- (2) Re k- (2) ; ; ; 1 ht (1) ht 2 ht ht 18
htsh 2 (2) y+ L-VEL k- (2) Re k- (2) ; ; ; ht ht rad rpm 19
1,2 (1) COMSOL (2) 20
9 9: 1 1W 21
( ) ( 0) ( 1) 1 (x,y,z) 0 COMSOL Multiphysics 22
10 379 K. 10: 0.9996 W 1 W 11 354 K 10 23
25 K 1 11: 1 COMSOL ' ' COMSOL ' ' ' ' COMSOL ' ' ' ' ' ' 24
2 ' ' ' ' 3 ' ' ' '>' ' ' (nitf)' 4 ' ' ' ' 5 ' ' 6 ' ' ( ) 25
1 MPH 1 ' ' ' ' 2 App heat_sink_geom_sequence.mph COMSOL51\Multiphysics\applications\Heat_Transfer_Module\ Tutorials,_Forced_and_Natural_Convection\ ' ' 3 ' ' 4 ' ' ' ' 5 ' ' ' ' ' ' 26
(spf) 1 ' ' ' 1(comp1) ' ' (spf)' 2 ' ' 3 2 3 4 '' 1 5 ' ' 6 Air 7 ' ' (ht) 1 1 ' ' ' (ht) ' ' 1' 2 ' ' 3 'Air' 27
Air 1 ' '. 2 ' ' ' '>'Air' 3 ' ' 4 ' ' 5 'Air' Aluminum 3003-H18 1 ' ' ' '> 'Aluminum 3003-H18' 2 ' ' ' ' 3 2 Silica Glass 1 ' ' ' '>'silica glass' 2 ' ' 3 ( ) 3 28
4 ' ' ' ' ' ' 1 ' ' ' ' 2 Thermal Grease 3 ' ' ' ' ' ' 4 34 29
5 '' '' ' '>' ' 6 ' ' 7 ' ' 2[W/m/K]: 1 ' ' ' ' 2 ' ' ' ' U0 5[cm/s] T0 20[degC] P_tot 1[W] 30
(spf) ' ' ' ' ' ' ' ' 1 ' ' ' 1(comp1) ' ' (spf)' 2 ' ' 3 ' ' ' (Ma<0.3)' 1 31
1 ' ' ' ' ' '>' ' 2 121 ' ' ' ' 3 ' ' ' ' 4 ' ' U av U0 32
1 1 ' ' ' ' ' '>' ' 2 1'' '' ' ' (ht) ' ' ' ' ' ' 33
1 1 ' ' ' ' ' '>' ' 2 121 ' ' 3 T 0 T0 1 1 ' ' ' ' ' '>' ' 1 P_tot 34
1 1 ' ' ' ' ' ' ' '>' ' 2 3 3 ' ' ' ' 'P 0 ' P_tot 1 1 ' ''' ' '>' ' 35
2 34 ' ' 3 ' ' 'd s ' 50[um] ' ' 36
1 1 1 ''' ' ' ' 2 ' ' 3 ' ' 1 ( ) 2 ( ) 4 ( ) 37
1 1 ' ' ' ' 2 2GB (ht) 1 ' ''' ' (ht)' ' (ht)' ' ' 2 ' ' ' ' ' ' ' '>' 1'>' '>'u,v,w - ' 38
3 ' ' - 'x ' 40 - 'y ' 20 - 'z ' - ' ' 5e-3 5[mm] 4 ' '' 1' ' ' 5 ' ' ' ' ' ' ' '>' 1'>' '>'spf.u - ' spf.u 6 ' ' 10 (ht.ntefluxint) (ht.qint) 7 ' ' ' ' 8 Net Energy Rate 9 ''' '' ' 39
10 '1'>''>''>' '>'ht.ntefluxint-' ht.ntefluxint 11 ' ' ' ' 1 1 W 12 ' ' ' ' 13 Heat Source 14 ' '' ' '1'>' '>' '>' '>'ht.qint- ' ht.qint 15 ' ' ' ' 1 2 40
(ht) ( ) App App 1 ' ' ' ' 41
2 ' ' ' ' ' ' ' ' 3 ' ''' '' 4 ' ' ' ' 42
1 1 ' ' ' ' ' ' ' ' 2 2 7,9 30,36 109, 111 120 3 ' ' ' ' ' ', '' 4 ' ' 0.85 1 ' ' ' ' 2 ' ' ' ' ' ' ' ' 3 ' ' ' ' ' ' 43
2 1: 1 ' ' ' ' 1 (ht) 1 1 ' ''' ' (ht)1' ' (ht)1' ' ' 2 ' ' ' ' ' ' ' '>' 1'>' '>'u,v,w - ' 3 ' ' - 'x ' 40 - 'y ' 20 - 'z ' - ' ' 5e-3 5[mm] 44
4 ' '' 1' ' ' 5 ' ' ' ' ' ' ' '>' 1'>' '>'spf.u - ' spf.u 6 ' ' 11 45
46