transfer meteorology and weather

Ngày tải lên: 03/12/2013, 23:12

Ngày tải lên: 04/12/2013, 03:11

... „ „ „ Handle transmission errors Segmentation and re-assembly Handle lost and misinserted cells Flow control and timing Supported Application types „ „ „ „ „ Circuit emulation VBR voice and video ... „ Uncompressed audio and video ƒ Video conferencing ƒ Interactive audio ƒ A/V distribution and retrieval rt-VBR „ Time sensitive application ƒ Tightly constrained delay and delay variation „ ... SAP „ Segmentation and re-assembly sublayer (SAR) ƒ Packages and unpacks info received from CS into cells „ Four types ƒ ƒ ƒ ƒ Type Type Type Type 3/4 AAL Protocols Segmentation and Reassembly PDU...

Ngày tải lên: 06/03/2014, 09:21

... Introduction and definitions 1.1 Modes of heat transfer 1.2 Definitions 1.2.1 Heat (transfer) rate and heat flux 1.2.2 Heat transfer coefficients and overall heat transfer ... heat transfer coefficient α, the heat transfer surface area A and the temperature difference Δϑ The heat transfer coefficient defines the heat rate Q transferred per unit transfer area A and per ... (solids and static fluids) and moving fluids Heat transfer in static materials depends only on the spacial temperature gradient and material properties Heat transfer between a solid wall and a...

Ngày tải lên: 24/03/2014, 01:20

... such rationale; and (d) an assessment of practical implications 3.1 Comparable Profits Method and TNMM The U.S and OECD transfer pricing regulations and guidelines sanction five transfer pricing ... noted, the U.S and OECD transfer pricing regulations and guidelines substitute accounting measures of profit, rates of return and asset values for economic profits, rates of return and asset values ... Overview and Critique of Existing Transfer Pricing Methods In this Chapter, we provide an overview of the current transfer pricing regulations pertaining to intra-group transfers of tangible and intangible...

Ngày tải lên: 30/03/2014, 11:20

... gradient and p - - (T- - (V- (I.6) when both the thermal and concentration (mass diffusion) gradients are important Here fl and fl* are the thermal and concentration expansion coefficients and Too and ... boundary-layer heat transfer research and also identifies the potential difficulties and future needs In addition, this work provides new material on convective heat and mass transfer, as well ... Free and mixed convection boundary-layer flow past inclined and horizontal plates Double-diffusive convection Convective flow in buoyant plumes and jets Conjugate heat transfer over vertical and...

Ngày tải lên: 01/04/2014, 10:51

... front and back surfaces, and the temperature in the block varies linearly in both the x- and y-directions, find: (a) The heat fluxes and heat flows in the x- and y-directions (b) The magnitude and ... refinement HTFS Suite handles all types of heat exchangers; it also performs mechanical design calculations and develops detailed tube layouts and setting plans for shell -and- tube exchangers HTRI ... 0.17612 Btu/h · ft2 · ◦ F Heat transfer coefficient Heat transfer rate Kinematic viscosity and thermal diffusivity W = 3.4123 Btu/h m2 /s = 3.875 × 104 ft2 /h Latent heat and specific enthalpy kJ/kg...

Ngày tải lên: 02/04/2014, 15:29

... 1980s 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, as the more mature discipline, predominated and ... Difference: The Film Concept and the Mass Transfer Coefficient 12 1.3 Units of the Potential and of the Mass Transfer Coefficient .16 Illustration 1.4: Conversion of Mass Transfer Coefficients ... variables and formally integrating between the limits of internal and external concentrations Ci and Co we obtain Ú Co Ci dC = - N D2pL Ú ro ri dr r (1.7b) and after evaluation of the integrals and...

Ngày tải lên: 02/04/2014, 15:43

... 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 ... least in the aspects of heat and/ or mass transfer, analytical/numerical solutions and optimization of the processes The first chapter deals with the description and mass transfer analysis of fixed-bed ... diffusion layer on the heat transfer process in high temperature polymerization Chapter is concerned with the description and analysis of heat and mass transfer processes in a fin -and- tube air heater...

Ngày tải lên: 19/06/2014, 10:20

... one parallel mini- 26 Heat and Mass Transfer – Modeling and Simulation circuit constant phase element and resistance, related to the charge transfer processes (kinetic), and another parallel mini-circuit ... simulation results 14 Heat and Mass Transfer – Modeling and Simulation showed that either the maximum capacity of the adsorbent and the kinetic constant of adsorption and desorption influenced ... constant Cathodetransfer CPE phase element 0.8 Anode charge Charge transfer transfer resistance resistance (Rct) Cathode Mass transfer polarization resistance (Rmt) ANODE CHARGE TRANSFER CONTRIBUTION...

Ngày tải lên: 19/06/2014, 10:20

... simultaneous heat and mass transfer on the cooling surface Many experimental, and few numerical, studies have been carried out to study the heat and mass transfer characteristics of the fin -and- tube heat ... and the fin This work will consider the heat and mass transfer for a representative tube and fin elementary unit 44 Heat and Mass Transfer – Modeling and Simulation 2l 2l Pl 2h 2h Pt air Pl Pt ... fin surface (Eq 41) and the heat and mass transfer equations for the condensate-film (Eqs 35 and 37) In our model, the simultaneous influence of the local speed and heat transfer coefficient...

Ngày tải lên: 19/06/2014, 10:20

... going up the inlet and outlet or the upper and lower fin edges, and is also minimal near the tube surface 2.4.2 Solving heat and mass transfer equations The heat and mass transfer problem has ... 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...

Ngày tải lên: 19/06/2014, 10:20

... 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 ... And this is obvious at condition of reactor with bigger diameter and worse heat transfer, which finally will be harmful to the catalyst and reactor Therefore, by reasonable catalyst surface and ... wipe off the oxide film, and then cleaned by ethanol and deionized water The morphology of the feed stock and coating before and after methanol and methane steam reforming was observed using scanning...

Ngày tải lên: 19/06/2014, 10:20

... natural and forced convective heat and mass transfer regimes for nanofluids flowing in semi-infinite geometries, i.e external boundary layer flows along 96 Heat and Mass Transfer Modeling and Simulation ... 108 Heat and Mass Transfer Modeling and Simulation Fig 12 Velocity boundary layer for CuO / water nanofluid Fig 13 Velocity boundary layer for Alumina / water nanofluid Heat and Mass Transfer ... velocity profiles, streamlines and boundary layer thickness Heat transfer characteristics are then presented by means of wall temperature distribution and convective heat transfer coefficients Mathematical...

Ngày tải lên: 19/06/2014, 10:20

... acceleration of the gravity m.s-2 heat transfer coefficient W.m-2.K-1 114 Heat and Mass Transfer – Modeling and Simulation k K thermal conductivity W.m-1.K-1 parameter Pr Prandtl number = Re T U V x, y ... (36) 126 Heat and Mass Transfer – Modeling and Simulation where Afr is the packing area, L fi is the height of packing, c1 and c5 are constants that depend on the type of fill, and mw,m is the ... and  out are the inlet and outlet air density, respectively The miscellaneous pressure drop is calculated as follows: Pmisc  6.5 mavm  m A2 fr (49) 128 Heat and Mass Transfer – Modeling and...

Ngày tải lên: 19/06/2014, 10:20

... is highly 144 Heat and Mass Transfer – Modeling and Simulation dependent on the completeness of the mathematical model and the relationships used to describe heat and mass transfer phenomena ... the initial and boundary conditions given by Eqs (20) and (23), (ii) Eq (18) at the initial and boundary conditions given by Eqs (21) and (24)(27), and (iii) Eq (19) at the initial and boundary ... a particular relative air humidity and temperature The relation 150 Heat and Mass Transfer – Modeling and Simulation between the material moisture content and the relative humidity in equilibrium...

Ngày tải lên: 19/06/2014, 10:20

... 152 Heat and Mass Transfer – Modeling and Simulation i the external mass transfer resistance is negligible, but the internal mass transfer resistance is large (Bi∞), ... Re and the Prandtl number Pr Nu  a Re b Pr c ii (62) for natural convection as a function of the Grashof number Gr and the Prandtl number Pr Nu  a  Gr  Pr  b (63) The constants a, b, and ... 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...

Ngày tải lên: 19/06/2014, 10:20

... 1700 and 2000 K the mole numbers of Ru, RuO, and RuO2 increase by an amount smaller that the amount of decrease of the 178 Heat and Mass Transfer – Modeling and Simulation mole numbers of RuO3 and ... 186 Heat and Mass Transfer – Modeling and Simulation effects, an increase in the plasma current considerably increases both the vaporization speed and the vaporized quantities of Cs and Co The ... 188 Heat and Mass Transfer – Modeling and Simulation [19] Chase Malcolm, NIST-JANAF, Thermochemical Tables, Fourth Edition, J of Phys and Chem Ref Data, Monograph No 9, (1998) [20] Landolt-Bornstein,...

Ngày tải lên: 19/06/2014, 10:20

... time, and  is the cell constant of MHD electrode 0 is the magnetic permeability,  is the kinematic viscosity, 202 Heat and Mass Transfer – Modeling and Simulation  is the density, and Dm ... (41) 204 Heat and Mass Transfer – Modeling and Simulation s where  cr2 is the mean square height of surface fluctuation in atomic scale at the initial state X and Y are the x- and y-lengths ... asymmetrical fluctuations control the total electrode reaction, and the total electrolytic current increases 198 Heat and Mass Transfer – Modeling and Simulation 2.2 The second instability in 3D nucleation...

Ngày tải lên: 19/06/2014, 10:20

... in Micro-MHD Effects on Electrodeposition a a a Rd  cos rand  i sin rand (66) a where  rand is the uniform random number between and  , which are assigned to all grid points defined in an ... Fourier transform, where even and odd functions are simultaneously transformed in the real and imaginary parts, we treat the rigid surface and free surface components as even and odd functions, respectively ... 212 Heat and Mass Transfer – Modeling and Simulation is required For the external magnetic flux density defined by B0 >...

Ngày tải lên: 19/06/2014, 10:20