B31.5 2016 Refrigeration Piping and Heat Transfer Components
Evaporation Condensation and Heat transfer Part 5 potx
... =30 mm and di =11.3 mm 178 Evaporation, Condensation and Heat Transfer 6000 Heat flux (q"), W/m2 55 00 50 00 450 0 4000 vertical postion di= 14 .5 mm and P= 30 mm 350 0 3000 26 D=100 mm D= 150 mm D= ... better heat transfer surface At any tube 154 Evaporation, Condensation and Heat Transfer cross section with condensation, the local heat flux and heat t...
Manipulation of turbulent flow for drag reduction and heat transfer enhancement 5
... 15 10 X (a) 5% (b) 10% 0 Fm/Sm0 27 23 19 15 11 -1 -5 -9 Fm/Sm0 50 40 30 20 10 -10 Z Z 15 X 10 10 10 15 10 X (c) 15% 15 X (d) 20% Fm/Sm0 85 70 55 40 25 10 -5 -20 Z 10 10 15 X (e) 25% Figure 5. 5: ... 10 15 10 X (a) 5% (b) 10% 10 10 Nu/Nu0 10 9.2 8.4 7.6 6.8 5. 2 4.4 3.6 2.8 1.2 Z Z Nu/Nu0 7 .5 6 .5 5 .5 4 .5 3 .5 2 .5 1 .5 15 X 10 15 10 X (c) 15% 15 X (d) 20% Nu/Nu0...
Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium
... Bull Malays Math Sci Soc 2006, 29(1), 33-42 [15] Das S S., Satapathy A. , Das J K., Panda J P Mass transfer effects on MHD flow and heat transfer past a vertical porous plate through a porous medium ... 927-941 [9] Sattar M A Free convection and mass transfer flow through a porous medium past an infinite vertical porous plate with time depend...
Evaporation Condensation and Heat transfer Part 1 docx
... 20 01; Yu et al., 2002; Qu & Mudawar, 2003) 26 Author (year) Lazarek and Black (19 82) Evaporation, Condensation and Heat Transfer Fluid Test conditions R -11 3 P=0 .13 -0. 41 MPa G =12 5-750 kg/m2s q″ =14 -380 ... mainly (1) evaporation and boiling, (2) condensation and cooling, (3) heat transfer and exchanger, and (4) fluid and flow The first section introduces...
Evaporation Condensation and Heat transfer Part 2 docx
... Critical heat flux, W/m -2. 0e+6 f(x) = -1935766.66 + -865000 x R2 = 0.9944 -2. 1e+6 -2. 2e+6 -2. 3e+6 -2. 4e+6 -2. 5e+6 0.1 T/C 0 .2 0.3 0.4 0.5 0.6 0.7 Water velocity, m/s Fig 22 Critical heat flux ... boiling [NB], and convective heat transfer [CONV] with significantly varying heat transfer coefficients αFB (100 to 25 0 kW m -2 K-1); αNB (10 to 20 kW m -2 K-1), and αC...
Evaporation Condensation and Heat transfer Part 3 docx
... the heat- releasing surface: λh = 50 Wm-1K-1 , ch = 30 0 J kg-1K-1, ρh = 30 00 kg m -3, and δh = 4·10 -3 m Fig 11 Edge effects a) Dimension of a local dry spot vs time: and - semiinfinite heaters; and ... temperature and the heat flux function of the minichannel length: Fig 17 Influence of gravity on the surface temperature and the heat flux along the minichannel (Qw =33 kW....
Evaporation Condensation and Heat transfer Part 4 pot
... εol=12% vol 144 α2F, W/(m2.K) Evaporation, Condensation and Heat Transfer q=36,3 kW/m2 5000 εo 17% 15% 14% 11% 9% 7% 6% 4% 2% 45 00 40 00 3500 3000 τlim 2500 2000 1500 1000 500 0 10 20 30 40 50 60 ... disturbance in heat transfer 142 Evaporation, Condensation and Heat Transfer a) ΔT [K] 100 OCW-P 90 80 OCW-RK 70 OCW-EK Water - Antracen oil 60 50 5%p1 40 30 30%p1...
Evaporation Condensation and Heat transfer Part 6 pot
... Condensation and Heat Transfer , Modelling the Thermo-Hydraulic Performance of Cooling Networks and Its Implications on Design, Operation and Retrofit 203 204 Evaporation, Condensation and Heat Transfer ... the cooler (cm) 26. 0 13.0 2 .6 0.0 26. 0 13.0 2 .6 0.0 Thot Calc (ºC) 261 3 56 613 1018 491 794 1098 1070 Thot Exp (ºC) 1102 1092 Heat flux Calc (kW/m2) 135 187...
Evaporation Condensation and Heat transfer Part 7 docx
... developed and developing flow with different types of inlet disturbances: Part II – 260 Evaporation, Condensation and Heat Transfer heat transfer, International Journal for Heat and Mass Transfer, ... section 250 Evaporation, Condensation and Heat Transfer Data reduction The inner tube's average heat transfer coefficient was obtained by making use of the over...
Evaporation Condensation and Heat transfer Part 8 pptx
... 409 0.92 0.9 0 .87 0.91 0 .88 0 .89 0.95 0.94 0 .86 0 .89 0.9 0 .87 0.75 0 .89 0 .89 0 .89 0 .89 500 4429 400 569 83 1 184 0 2452 1500 4055 4449 3720 2 380 14200 4200 1 488 0 7440 186 0 930 88 120 255 337 224 ... 7.63E- 08 2.01E-09 2.11E-09 4.79E-09 1.14E- 08 3.62E- 08 7.20E- 08 8.95E- 08 1.30E-06 2.97E-07 6.60E- 08 2.00E-06 6 .83 E- 08 4 .80 E-06 1.30E-06 7.48E- 08 1 .89 E- 08 1 6...
Từ khóa:
- thermodynamics and heat transfer
- baisc knowledge of thermodynamics and heat transfer
- flow and heat transfer in miniature flow passages
- 2two phase flow boiling and heat transfer in micro channels
- and heat transfer between particles and liquid
- 3mass and heat transfer processes
- thermodynamics fluid mechanics and heat transfer
- two phase flow and heat transfer