Heat and Mass Transfer Modeling and Simulation Part 8 pot

... K. (19 98) , Solar drying systems: Simulations and optimization, Agrotech Publishing Academy, Udaipur, pp. 131-133. Haghighi K., Segerlind L.J, (1 988 ), Modeling Simultaneous Heat and Mass Transfer ... Mathematical Simulation of Mass and Heat Transfer in High Moisture Foods, Trans. ASAE, pp. 55-59. 224 MÔ HìNH HOá QUá TRìNH TRAO ĐổI NHIệT ẩM TRONG MáY ấP TRứNG GIA C...

Ngày tải lên: 28/08/2013, 08:31

... 0. 781 20 0. 681 32 0.2 483 5 2.6 1.07252 0.77246 0.20646 3.0 1.39 682 0 .84 605 0.16136 3.4 1.74696 0.90177 0.11 788 3 .8 2.11605 0.94112 0. 080 13 4.2 2.4 980 6 0.96696 0.05052 4.6 2 .88 826 0. 982 69 0.029 48 5.0 ... (m) l ent,ma Mass transfer entrance length (m) l ent,th Thermal (heat transfer) entrance length (m) l M Turbulence mixing length ( m) l M, ma Turbulence mixing length...

Ngày tải lên: 30/03/2014, 19:20

... components Heat output Fig. 9 Micro heat pipe [54] Two-Phase Flow and Heat Transfer in Micro-Channels 57 17. In, S., Jeong, S.: Flow boiling heat transfer characteristics of R123 and R134a in ... single microchannel. Int. J. Heat Mass Trans. 47(25), 5575–5 589 (2004) 23. Chen, G., Cheng, P.: Nucleate and film boiling on a microheater under pulse heating in a microchannel...

Ngày tải lên: 31/03/2014, 16:20

... corresponds to that of heat conduction, whilst mass transfer in a flowing fluid, known for short as convective mass transfer corresponds to convective mass transfer. Mass transfer by diffusion and convection ... only sorts of mass transfer. Radiative heat transfer has no corresponding mass transfer process. 1.4.1 Diffusion The calculation of mass transfer by diffu...

Ngày tải lên: 02/04/2014, 15:27

... Transfer 4 78 7 .8 Packed Beds 482 7.9 Summary 483 References 486 Problems 486 CHAPTER 8 Internal Flow 517 8. 1 Hydrodynamic Considerations 5 18 8.1.1 Flow Conditions 5 18 8.1.2 The Mean Velocity 519 8. 1.3 ... Convection Heat and Mass Transfer 457 7.5 The Sphere 465 7.6 Flow Across Banks of Tubes 4 68 7.7 Impinging Jets 477 7.7.1 Hydrodynamic and Geometric Considerat...

Ngày tải lên: 02/04/2014, 15:51

... Present 380 23.10 Radiant Heat Transfer Between Gray Surfaces 381 23.11 Radiation from Gases 388 23.12 The Radiation Heat- Transfer Coefficient 392 23.13 Closure 393 24. Fundamentals of Mass Transfer ... The symbols dQ and dW represent differential heat transfer and work done, respectively. The differential operator, d, is used as both heat transfer and work are pat...

Ngày tải lên: 02/04/2014, 15:51

... 0.1m 25m 7 .85 m . ππ == ×= Hence, () () 22 82 4444 q 7 .85 m 10 W/m K 150 25 K 0 .8 5.67 10 W/m K 423 2 98 K −  =⋅−+××⋅−   ()() 22 q 7 .85 m 1,250 1,095 w/m 981 3 85 92 W 18, 405 W=+=+= ... 500 313 W/m 84 00W=+ ++ () 694,000 84 ,80 0 53,100 84 00 W 84 0kW =+++= < COMMENTS: Of the total energy input, 83 % is transferred to the steel while approximate...

Ngày tải lên: 02/04/2014, 15:52

... W/mK 1 Fig. P. 2.22. Problem model. VED c-4\n-demo\damo2-2 58 FUNDAMENTALS OF HEAT AND MASS TRANSFER 2nd layer = 297 – 585 .9 = – 288 .9°C. gradient = – 288 9°C/m 3rd layer = 243.95 – 297 = – 53.05°C. gradient ... 0.5703 0.4244 0.9947 322.5 0.0175 0.6194 0.36 38 0. 983 2 319.1 0.0200 0.6619 0.3 183 0. 980 2 3 18. 2 0.0225 0.6994 0. 282 9 0. 982 3 3 18. 8 0.0250 0.7329 0.2546 0. 987...

Ngày tải lên: 08/04/2014, 10:55

... phenomena, and often a minor player at that. In the 1 980 s and 1990s, it became fashionable to treat mass transfer as part of the dual theme of heat and mass transfer. In these treatments, heat transfer, ... York Washington, D.C. MASS TRANSFER DIRAN BASMADJIAN Principles and Applications 56 Mass Transfer: Principles and Applications where A C is the column cro...

Ngày tải lên: 02/04/2014, 15:43