§6 6 flooding column diameter pressure drop and mass transfer for trayed columns
Heat and Mass Transfer Modeling and Simulation Part 6 pptx
Ngày tải lên :
19/06/2014, 10:20
... 0 .64 3 -0.11% 7.222 0 .65 0 0.00% 6. 860 0 .65 4 0.34% 7.5 86 0 .64 7 0.44% 7.058 0 .65 2 0.70% 8.058 0 .64 3 0.51% 8 .66 2 0 .63 8 0.83% 8 .62 3 0 .63 8 0.55% 11.709 0 .62 1 0.10% 9. 267 0 .63 4 0.59% Table Nanofluids properties ... 1.492E-03 1 .67 6E-03 2. 060 E-04 2.042E-04 2.024E-04 2.005E-04 1.987E-04 1. 969 E-04 Table Thermophysical properties of Alumina / water nanofluid 0 .60 0 0 .61 0 0 .62 1 0 .63 1 0 .64 1 0 .65 2 Heat and Mass Transfer ... Heat and Mass Transfer Modeling and Simulation CuO/ water nanofluid Alumina / water nanofluid Volume fraction (%) Pr Pr 6. 984 0 .65 3 0.00% 6. 984 0 .65 3 0.00% 8.0 06 0 .64 3 -0.11% 7.222 0 .65 0...
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fundamentals of heat and mass transfer solutions manual phần 6 docx
Ngày tải lên :
08/08/2014, 17:20
... PROBLEM 8.30 (Cont.) 67 70 69 .8 Outlet temperature, Tmo(C) Outlet temperature, Tmo(C) 66 65 64 63 62 61 60 0.005 69 .6 69.4 69 .2 69 0.0 06 0.007 0.008 0.009 0.01 0.011 0.01 Mass flowrate, mdot(kg/s) ... = to 67 60 W at 360 0s), in which case Th,o increases (from 125.2°C at t = to 198.9°C at 360 0s) The time required for the pharmaceuticals to reach a temperature of Tc = 160 °C is < t c = 1 266 s ... diameter, length and surface temperature FIND: (a) Air outlet temperature and duct heat loss for the prescribed conditions and (b) Calculate and plot q and ∆p for the range of diameters, 0.1 ≤...
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MÔ HìNH HOá QUá TRìNH TRAO ĐổI NHIệT ẩM TRONG MáY ấP TRứNG GIA CầM Modeling of heat and mass transfer in chicken egg incubators
Ngày tải lên :
28/08/2013, 08:31
... Modeling Simultaneous Heat and Mass Transfer in Isotropic Sphere, Trans ASEA, pp 31 Husain A., Chen C.S., Clayton J T, Whitney L.F (1972), Mathematical Simulation of Mass and Heat Transfer in High Moisture ... Chen C.S., Clayton J T (1973), Simultaneuos Heat and Mass Diffusion in Biological Material, Trans ASAE, pp 69 -73 Luikov, A V (1980), Heat and mass transfer, Mir Publisher, Moscow Peebles E D, Christopher ... Moscow Peebles E D, Christopher D McDaniel (2004), A Practical Manual for Understanding the Shell Structure of Broiler Hatching Eggs and Measurement of their Quality, Mississipi State University, p...
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CONVECTIVE HEAT AND MASS TRANSFER ppt
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30/03/2014, 19:20
... Blowing parameter Mass- flux-based heat transfer driving force Molar-flux-based heat transfer driving force Mass- flux-based mass transfer driving force Molar-flux-based mass transfer driving force Biot number ... Stress Transport Models 12 .6. 1 General Formulation 12 .6. 2 Simplification for Heat and Mass Transfer 12 .6. 3 Near-Wall Treatment of Turbulence 12 .6. 4 Summary of Equations and Unknowns 12.7 Algebraic ... Thermal and Mass Diffusion Effects 10.15.1 Conservation Equations and Scaling Analysis 10.15.2 Heat and Mass Transfer Analogy 10. 16 Solutions for Natural Convection Caused by Combined Thermal and Mass...
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Heat and Mass Transfer in Porous Media pdf
Ngày tải lên :
31/03/2014, 16:20
... Roberto Frias 4200- 465 Porto Portugal e-mail: jdelgado@fe.up.pt ISSN 1 869 -8433 ISBN 978-3 -64 2-21 965 -8 DOI 10.1007/978-3 -64 2-21 966 -5 e-ISSN 1 869 -8441 e-ISBN 978-3 -64 2-21 966 -5 Springer Heidelberg ... Heat and Mass Transfer Processes in a Porous Medium and a Hele-Shaw Cell A V Gorin 139 Heat and Mass Transfer in Porous Materials with Complex Geometry: Fundamentals and Applications ... HI1 HI2 HI3 54 .6 54.3 54.7 73.2 63 .9 66 .8 18 .6 9 .6 12.1 connected to a computer allowing to keep track of results and store them in a hard-drive 4.2 Test Results The tests performed in the flux...
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heat and mass transfer
Ngày tải lên :
02/04/2014, 15:27
... of heat and mass transfer, and enable him to solve practical problems On the other hand we placed special emphasis on a systematic development of the theory of heat and mass transfer and gave ... concepts and fundamental laws of heat and mass transfer The student obtains an overview of the different modes of heat and mass transfer, and learns at an early stage how to solve practical problems and ... heat and mass transfer The derivation of the mass, momentum and energy balance equations for pure fluids and multicomponent mixtures are treated first, before the material laws are introduced and...
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fundamentals of heat and mass transfer
Ngày tải lên :
02/04/2014, 15:51
... Pool Boiling 66 3 10.4.5 Parametric Effects on Pool Boiling 66 4 558 558 563 565 568 569 593 594 597 598 599 60 2 60 4 61 8 62 1 62 7 62 8 62 9 63 0 63 1 65 3 65 4 65 5 65 6 66 0 FMContents.qxd 2/21/11 6: 10 PM Page ... Tubes Dropwise Condensation Summary References Problems 66 9 67 3 67 5 67 9 68 4 68 9 69 0 69 1 69 1 69 3 11 Heat Exchangers 11.1 11.2 11.3 11.4 11.5 11 .6 11.7 705 Heat Exchanger Types The Overall Heat Transfer ... Concepts 150 3 .6 Heat Transfer from Extended Surfaces 3 .6. 1 A General Conduction Analysis 1 56 3 .6. 2 Fins of Uniform Cross-Sectional Area 158 3 .6. 3 Fin Performance 164 3 .6. 4 Fins of Nonuniform Cross-Sectional...
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fundamentals of momentum, heat, and mass transfer 5th edition
Ngày tải lên :
02/04/2014, 15:51
... Plates, Spheres, and Cylinders 569 Mass Transfer Involving Flow Through Pipes 580 Mass Transfer in Wetted-Wall Columns 581 Mass Transfer in Packed and Fluidized Beds 584 Gas-Liquid Mass Transfer in ... Diffusion 26. 1 26. 2 26. 3 26. 4 26. 5 27 Molecular Mass Transfer The Diffusion Coefficient Convective Mass Transfer Closure 429 398 Differential Equations of Mass Transfer 25.1 25.2 25.3 25.4 26 Nature ... Combined Mechanisms of Heat Transfer Closure 213 Differential Equations of Heat Transfer 16. 1 16. 2 16. 3 16. 4 165 168 Fundamentals of Heat Transfer 15.1 15.2 15.3 15.4 15.5 15 .6 1 46 Dimensional Analysis...
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incropera fundamentals of heat and mass transfer
Ngày tải lên :
02/04/2014, 15:52
... uniform over the hand’s surface, (2) Convection coefficient is uniform over the hand, and (3) Negligible radiation exchange between hand and surroundings in the case of air flow ANALYSIS: The hand ... 2.25 × 10−4 m2 ( 60 K )5 / = 0.158 W ( ) ( ) q rad = 0 .60 2.25 × 10−4 m2 5 .67 × 10−8 W/m2 ⋅ K 3584 − 2984 K = 0. 065 W < Pelec = 0.158 W + 0. 065 W = 0.223 W (b) If heat transfer is by forced convection, ... m2 ( 60 K ) = 3.375 W Pelec = 3.375 W + 0. 065 W = 3.44 W < COMMENTS: Clearly, radiation and natural convection are inefficient mechanisms for transferring heat from the chip For Ts = 85°C and T∞...
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momentum, heat, and mass transfer fundamentals
Ngày tải lên :
02/04/2014, 15:53
... heut transfer by finite differences 7.2.9 Multi-dimensional unsteady-state conduction Analytical solution for regular geometries 60 9 60 9 61 2 61 4 61 8 61 9 62 1 62 9 63 0 63 0 63 0 63 5 63 8 63 8 64 6 64 6 65 ... heat transfer Criteria for use of lumped capacitance models Figure 7.4.1-2 Steady-stateconduction through solid with convection at interface xxiii 66 8 66 9 66 9 67 0 67 67 2 67 3 67 5 67 5 67 6 68 68 69 0 ... mass transfer coeficient j?om loca1 coefJicient xxvii 858 858 858 860 861 862 862 863 864 864 865 865 865 867 868 869 869 871 87 877 880 88 882 882 883 885 8 86 887 888 892 893 894 895 895 896...
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Fundementals of heat and mass transfer kotandaraman
Ngày tải lên :
08/04/2014, 10:55
... Diffusion 66 1 14.7 Unsteady Diffusion 66 1 14.8 Convective Mass Transfer 66 2 14.9 Similarity Between Heat and Mass Transfer 66 4 Solved Problems 66 4 Exercise Problems 68 0 Fill in the Blanks 68 2 State ... Introduction 65 6 Properties of Mixture 65 6 Diffusion Mass Transfer 65 7 Fick’s Law of Diffusion 65 7 Equimolal Counter Diffusion 65 9 Stationary Media with Specified Surface Concentration 66 0 Diffusion ... × 4π × 0.482(3 96. 4 – Ts) + 5 .67 × 4π × 0.482 {(3. 964 /100)4 – (Ts/100)4} (Ts/100)4 + 0. 264 6 Ts – 324. 36 = Assumed value of T2 Residue Therefore, Check 380 385 390 387 3 86 3 86. 3 3 86. 1 – 15.4 – 2.78...
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Heat and Mass Transfer Modeling and Simulation Part 1 pptx
Ngày tải lên :
19/06/2014, 10:20
... Rodrigo and José J Linares Chapter Numerical Analysis of Heat and Mass Transfer in a Fin -and- Tube Air Heat Exchanger under Full and Partial Dehumidification Conditions Riad Benelmir and Junhua ... Chapter Chapter Process Intensification of Steam Reforming for Hydrogen Production Feng Wang, Guoqiang Wang and Jing Zhou 41 67 Heat and Mass Transfer in External Boundary Layer Flows Using Nanofluids ... topics in heat and mass transfer processes for a variety of industrial applications The research papers provide information and guidelines in terms of theory, mathematical modeling and experimental...
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Heat and Mass Transfer Modeling and Simulation Part 2 ppt
Ngày tải lên :
19/06/2014, 10:20
... Brazil (In Portuguese) 16 Heat and Mass Transfer – Modeling and Simulation Thomas, H., 1944, “Heterogeneous Ion Exchange in Flowing System”, J Am Chem Soc., Vol 66 , pp 166 4- 166 8 Wade, J.L., Bergold, ... 70 .6 70.2 69 .4 68 .9 Mean pore diameter / m 36. 69 34.23 34.02 33.81 33 .63 Tortuosity 3. 363 3.795 3.871 3.940 4.130 Table Values of the overall porosity, mean pore size diameter and tortuosity for ... size, and the tortuosity Table collects the corresponding values PTFE content / % 10 20 40 Porosity / % 76. 3 73.9 69 .6 61 .6 Mean pore diameter / m 39.4 36. 7 33.9 31 .6 Tortuosity 2.932 3. 363 3.582...
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Heat and Mass Transfer Modeling and Simulation Part 3 pot
Ngày tải lên :
19/06/2014, 10:20
... 72.2 69 .2 67 Mean pore diameter / m 36. 69 34.32 33.23 32.10 30.50 33 Tortuosity 3. 363 3.502 3.717 4.152 4 .62 0 Table Values of the overall porosity, mean pore size diameter and tortuosity for ... cell performance with an increase of the carbon loading, showing the best performances for and mg cm-2, and a decrease when the carbon loading was 36 Heat and Mass Transfer – Modeling and Simulation ... measurement resistance for the charge transfer process constant phase element for the charge transfer process resistance for the mass transfer process constant phase element for the mass transfer process...
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Heat and Mass Transfer Modeling and Simulation Part 4 docx
Ngày tải lên :
19/06/2014, 10:20
... calculation algorithm for heat and mass transfer models is developed and presented in Fig Numerical Analysis of Heat and Mass Transfer in a Fin -and- Tube Air Heat Exchanger under Full and Partial Dehumidification ... the heat and mass transfer characteristics will be presented and discussed 62 Heat and Mass Transfer – Modeling and Simulation 3.3 Effect of the inlet relative humidity Both ideal and real fins ... 52 Heat and Mass Transfer – Modeling and Simulation As shown in Fig 6a and 6b, the horizontal and vertical velocities fields present an apparent symmetry regarding x and y axes The horizontal...
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Heat and Mass Transfer Modeling and Simulation Part 5 pdf
Ngày tải lên :
19/06/2014, 10:20
... Probable 76 Heat and Mass Transfer – Modeling and Simulation Fig Morphology of the cold sprayed coatings before and after steam reforming Process Intensification of Steam Reforming for Hydrogen ... a driving gas and carrying gas with an inlet pressure of 1.4 and 1 .6 MPa for the heating gas and powder carrying gas separately Heating gas temperature range is 573 K to 773 K Stand-off distance ... that heat and mass transfer is fast on the CuO/ZnO/Al2O3 catalytic coating than the conventional fixed bed catalyst, especially in micro-reactors 78 Heat and Mass Transfer – Modeling and Simulation...
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Heat and Mass Transfer Modeling and Simulation Part 7 doc
Ngày tải lên :
19/06/2014, 10:20
... 0.00% 8.0 06 0.383 9 .64 % 7.222 0.397 2.28% 6. 860 0.404 -1.23% 7.5 86 0.390 5.72% 7.058 0.400 0 .69 % 8.058 0.382 10.13% 8 .66 2 0.373 15 .66 % 8 .62 3 0.374 15.31% 11.709 0.337 41.72% 9. 267 0. 365 21.03% ... of the static and dynamic pressure drops ( Pvp ) The first type includes the pressure drop through the fill ( Pfi ) and the miscellaneous pressure drop ( Pmisc ) The pressure drop through the ... (Kloppers & Kröger, 2003): k i=1 (splash fill) 3.17 968 8 1.0839 16 -1. 965 418 0 .63 9088 0 .68 49 36 0 .64 2 767 bki i=2 (trickle fill) 7.047319 0.812454 -1.1438 46 2 .67 7231 0.294827 1.018498 i=3 (film fill) 3.897830...
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Heat and Mass Transfer Modeling and Simulation Part 8 pot
Ngày tải lên :
19/06/2014, 10:20
... (US$/year) 366 22.7 32785.4 35220.0 29534.7 32100.8 268 90.4 Capital cost (US$/year) 29442.4 29 866 .7 29384 .6 4 263 7.0 266 16. 0 23558.2 Total annual cost (US$/year) 66 065 .1 62 652.1 64 604 .6 72171.7 587 16. 8 ... 37 866 .2 32785.4 74092.2 83218.9 29425.8 2 262 3.7 Capital cost (US$/year) 3 266 7.7 29 866 .7 431 86. 5 67 320 .6 25030.3 25202.8 Total annual cost (US$/year) 70533.9 62 652.1 117278.7 150539 .6 544 56. 0 ... TMPI (ºC) 65 65 65 65 65 65 TMPO (ºC) 30 30 30 30 30 30 DTMIN (ºC) 10 10 10 10 10 10 win (kg water/kg dry air) 0.0047 0.0047 0.0 067 0.0 067 0.0002 0.0002 Tw,in (ºC) 50 38.8 866 50 29.5 566 50 45.4517...
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Heat and Mass Transfer Modeling and Simulation Part 9 pdf
Ngày tải lên :
19/06/2014, 10:20
... a,b constants (Eqs (35), (55), and (63 )) 162 Heat and Mass Transfer – Modeling and Simulation a, b, c constants (Eqs ( 36) , (37), (49), (50), (52), (53), (54), and (62 )) a, b, c, d constants (Eq ... (April 20 06) , pp 231-238, ISSN 0 260 -8774 Sander, A.; Skansi, D & Bolf, N (2003) Heat and Mass Transfer Models in Convection Drying of Clay Slabs Ceramics International, Vol 29, No 6, pp 64 1 -65 3, ISSN ... (1 963 ) Natural Convection Mass- Transfer Measurements on Spheres and Horizontal Cylinders by an Electrochemical Method International Journal of Heat and Mass Transfer, Vol 6, No 10, (October, 1 963 ),...
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Heat and Mass Transfer Modeling and Simulation Part 10 pdf
Ngày tải lên :
19/06/2014, 10:20
... TiO2, Ti2O3, Ti3O5, and Ti4O7 1 76 Heat and Mass Transfer – Modeling and Simulation Elements Mg K Na Ca Si Al Fe Ti Chemical form MgO K2O Na2O CaO SiO2 Al2O3 FeO TiO2 % in mass 10.2 1.2 8.8 50.4 ... experimental measurements made by [9, 16] radioelement 137Cs 60 Co 106Ru Most probable chemical form % in mass Cs2O 10 CoO 10 Ru Table Chemical Forms and Mass Percentages of radioelement The addition ... argon/oxygen For this study, the temperature is fixed at 2500 K, the total pressure P at atm and the plasma current I at 250 A Figures and present the results obtained for 60 Co and 106Ru as a function...
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