fluid dynamics of packed columns for gas liquid systems summary of results
fluid dynamics of packed columns principles of the fluid dynamic design of columns for gasliquid and liquidliquid systems
Ngày tải lên :
02/04/2014, 14:41
... Ma´ kowiak c Fluid Dynamics of Packed Columns Jerzy Ma´ kowiak c Fluid Dynamics of Packed Columns Principles of the Fluid Dynamic Design of Columns for Gas/ Liquid and Liquid/ Liquid Systems Translated ... 295 Part Principles of the Fluid Dynamic Design of Packed Columns for Liquid/ Liquid Systems Basic Principles of Packed Column Design for Liquid/ Liquid Systems 7.1 Introduction ... Range of Packed Columns 250 5.6 Evaluation of Results 250 Contents xxi Fluid Dynamics of Packed Columns for Gas/ Liquid Systems...
- 368
- 840
- 0
MDEA Proven Technology for Gas Treating Systems ppt
Ngày tải lên :
28/03/2014, 20:20
... as a result, the rate of absorption of H2S is controlled by the rate of diffusion of H2S from the vapor to In gas sweetening, one of the most significant advantages the liquid phase (Step 1) ... content of the sweet gas is often not directly specified, but is in practice limited by the contract specification for the heating value of the gas The typical contract specification of about ... difficulties in gas treating systems. Any of our formulas can be modified to custom fit your needs ■ EXPERT SERVICE GLOBAL RESOURCES he professionals at Arkema offer you decades of refinery expertise.We...
- 28
- 914
- 0
Báo cáo hóa học: " Binary De Bruijn sequences for DS-CDMA systems: analysis and results" pptx
Ngày tải lên :
21/06/2014, 03:20
... http://jwcn.eurasipjournals.com/content/2011/1/4 Page of 12 Table Detailed Values of the Welch Bound for Each Family of Sequences, for n = 3, 10 Table Statistical Properties of the Cross-Correlation Functions of De Bruijn Sequences, for Span ... http://jwcn.eurasipjournals.com/content/2011/1/4 Page of 12 Figure Average auto-correlation profile of binary De Bruijn sequences of length 32 variability in the cross-correlation behavior of the sequences may affect the performance of the ... exhaustive analysis of binary sequences of length 32 (i.e., span 5) that form a set of 2,048 different sequences, and partial results for sequences generated by increasing values of the span The...
- 12
- 352
- 0
The conflation of building simulation (BS) and computational fluid dynamics (CFD) for the prediction of thermal performance of facade for naturally ventilated residential buildings in singapore
Ngày tải lên :
14/09/2015, 13:58
... Thermal comfort results based on the results of coupled simulations are used to analyze the effects of physical parameters on indoor environment The impacts of physical parameters of façade on ... evolution of simulation methods for building performance prediction and current status of facade design studies and thermal comfort criteria for hot-humid climate, highlights the advantages of integration ... building simulation and computational fluid dynamics (CFD) can be a promising way for better prediction of building performance 2.1.2 Computational Fluid dynamics CFD has become a vital technique,...
- 228
- 220
- 0
Computational fluid dynamics analysis of a twisted airfoil shaped two-bladed H-Darrieus rotor made from fibreglass reinforced plastic (FRP)
Ngày tải lên :
05/09/2013, 15:28
... understanding of VAWT can be achieved through the use of Computational Fluid Dynamics and experimental measurements [11] The objective of the present study is to analyze the performance of an airfoil ... obtained for each H/D ratio using CFD Then, the computational results are compared with the experimental results and the standard deviations of computational results from experimental results ... blades of the model had the provision for change of H/D ratios using nuts and bolts The cross-sectional area of the wind tunnel test section was 30 cm x 30 cm of length meters The description of...
- 16
- 364
- 0
Tài liệu Special RepoRt The Dynamics of Public Trust in Business— Emerging Opportunities for Leaders ppt
Ngày tải lên :
18/02/2014, 00:20
... Institute for Corporate Ethics Olsson Professor of Business Administration Darden School of Business, University of Virginia Jared Harris Assistant Professor of Business Administration Darden School of ... challenge for leaders, therefore, is to promote a way of doing business that integrates considerations of business, ethics, and society For example, if a company is creating value for all of its ... management policy role of the chief public relations officer The membership consists primarily of chief public relations and communications officers of Fortune 500 corporations, the CEOs of the world’s...
- 39
- 512
- 0
Báo cáo khoa học: Molecular dynamics of the DNA-binding domain of the papillomavirus E2 transcriptional regulator uncover differential properties for DNA target accommodation pdf
Ngày tải lên :
16/03/2014, 10:20
... 000 000 000 000 000 of 0.5 fs of 1.0 fs of 2.0 fs of 2.0 fs of 2.0 fs FEBS Journal 274 (2007) 2385–2395 ª 2007 The Authors Journal compilation ª 2007 FEBS M Falconi et al stand for the ensemble ... residue for each subunit of HPV-16 E2 Fig S5 rmsf evaluated in three sections of the simulation and averaged over each residue for each subunit of BPV-1 E2 This material is available as part of the ... that defines the surface of the gap region [26] In the interior of the HPV-16 b-barrel, at the interface of each dimer, only one small cavity, present for a short percentage of the simulation time,...
- 11
- 398
- 0
Synthesis and characterization of semiconducting nanowires for gas sensing
Ngày tải lên :
16/03/2014, 15:25
... center of an alumina tube and then temperature is raised above the limit of decomposition for the oxide (from 600 ◦ C for zinc oxide to 1500 ◦ C for indium oxide) [16] A controlled flow of inert gas ... image of a nanowire, and (e) linescan of the HAADF signal (solid line) and numerical fit of the shape of the nanowire (dashed line) As both composition and phase can be considered uniform for the ... Characteristics of ZnO nanowires: (a–c) variation of the size for the ZnO nanowires for different growth conditions, (d) TEM image of ZnO crystalline nanowire, (e) high-resolution TEM image of the hexagonal...
- 6
- 662
- 0
Fundamentals of computational fluid dynamics - lomax, pulliam
Ngày tải lên :
17/03/2014, 14:01
... Nondelta Form of the Implicit Euler Method 13.4.3 The Factored Delta Form of the Implicit Euler Method 13.4.4 The Factored Delta Form of the Trapezoidal Method 13.5 Example Analysis of the ... justi cation for that belief The mathematical structure is the theory of linear algebra and the attendant eigenanalysis of linear systems The ultimate goal of the eld of computational uid dynamics ... simulation can depend on appropriate choices for the problem or class of problems of interest 1.2.4 Assessment and Interpretation of Results Finally, the results of the simulation must be assessed and...
- 275
- 345
- 0
Fundamentals of computational fluid dynamics h lomax, t pulliam, d zingg
Ngày tải lên :
17/03/2014, 14:25
... Nondelta Form of the Implicit Euler Method 13.4.3 The Factored Delta Form of the Implicit Euler Method 13.4.4 The Factored Delta Form of the Trapezoidal Method 13.5 Example Analysis of the ... justi cation for that belief The mathematical structure is the theory of linear algebra and the attendant eigenanalysis of linear systems The ultimate goal of the eld of computational uid dynamics ... simulation can depend on appropriate choices for the problem or class of problems of interest 1.2.4 Assessment and Interpretation of Results Finally, the results of the simulation must be assessed and...
- 275
- 416
- 0
comparative study of nanocrystalline sno2 materials for gas sensor application
Ngày tải lên :
19/03/2014, 16:47
... target gas is of the same order of magnitude as the resistance of the sensors on the basis of commercial SnO2 The use of synthesized SnO2 results in the highest signals (defined as Rair /Rgas ) to ... Mendeleyev University of Chemical Technology of Russia in 1964 He is a professor, head of the Department of 643 Physical Chemistry of Sensor Materials in the N.S Kurnakov Institute of General and Inorganic ... 1986 for the “Study of the kinetics of low-temperature reactions of atomic fluorine by ESR method” Gained his Dr of Science degree (habilitation) in solid state microelectronics in 2004 for the...
- 7
- 601
- 0
DIRECT NUMERICAL SIMULATIONS OF GAS–LIQUID MULTIPHASE FLOWS pot
Ngày tải lên :
28/03/2014, 09:20
... the mysteries of a large number of complex flows Therefore, the application of existing methods to problems that they are suited for and the development of new numerical methods for more complex ... Sometimes, one of the phases is a solid, such as in slurries and fluidized beds, but in a large number of applications one phase is a liquid and the other is a gas Of natural gas liquid multiphase ... non-conservative form of the equations This is the form usually shown in textbooks and is often used as a starting point for finite difference methods 2.2.4 Incompressible flow For an important class of flows...
- 337
- 660
- 2
numerical computation of internal and external flows the fundamentals of computational fluid dynamics, second edition
Ngày tải lên :
01/04/2014, 10:56
... fluid dynamics can be defined for the study of the interstellar medium or for the study of the formation and evolution of galaxies In this latter case for instance, an ‘element’consists of a set of ... definition of temperature as a measure of the mean kinetic energy of the gas molecules; to a definition of pressure as a result of the impulse of molecules on the walls of the body containing the gas; ... properties of a large number of interacting elements The same is true for another domain of scientific knowledge, namely thermodynamics, which is also the study of systems of large numbers of interacting...
- 696
- 836
- 0
ansorge r. mathematical models of fluid dynamics (wiley-vch,2003)
Ngày tải lên :
24/04/2014, 16:46
... direction of the third spatial variable; more precisely, it has to be of infinite length from the point of view of mathematics Therefore, the flow around the contour of the cross section of the body ... principle of conservation of momentum, i.e Newton’s second law force = mass × acceleration, now states that the change of momentum with respect to time equals the sum of all exterior forces acting ... ∂ W (t) of W (t) and of outward direction, the fluid outside of W (t) leads to a force acting on W (t) which is given by − p n (do = area element of ∂ W (t)) ∂ W (t) Besides the normal forces...
- 181
- 194
- 0
Fundamentals Of Geophysical Fluid Dynamics Part 1 pdf
Ngày tải lên :
09/08/2014, 11:21
... Equation of State: The equation of state for seawater, ρ(T, S, p), is known only by empirical evaluation, usually in the form of a polynomial expansion series in powers of the departures of the ... — such as (2.75) for p, (2.47) for ρ, (2.79) for w — when these other quantities are of interest Its solutions can also be transformed back into height coordinates by (2.73) for geographical ... transformed vertical scale of the motion is small in the sense of ˜ H κ 1−κ H0 ≈ 12 km Even for troposphere-filling motions (with a vertical extent ∼ 10 km), this approximation is often made for...
- 29
- 308
- 0
Fundamentals Of Geophysical Fluid Dynamics Part 2 ppt
Ngày tải lên :
09/08/2014, 11:21
... mathematical form as the original non-rotating momentum equation, albeit in terms of its transformed variables, except for the addition of the Coriolis force, −2Ω × U The Coriolis force has the effect of ... independent degrees of freedom for the flow evolution There is a well developed theory of Hamiltonian dynamical systems that is therefore applicable to point-vortex dynamics and therefore, approximately, ... centrifugally unstable for finite Ro values ticyclones are essentially equivalent (This is not true generally for 3D dynamics, except for geostrophic flows; e.g., Sec 4.5.) The more general form of the divergence...
- 29
- 330
- 0
Fundamentals Of Geophysical Fluid Dynamics Part 3 potx
Ngày tải lên :
09/08/2014, 11:21
... external forcing of the flow The common means of representing the scale distribution of a field is through its Fourier transform and spectrum For example, the Fourier 108 Barotropic and Vortex Dynamics ... relative rates of forcing and energy dissipation (which disrupt the vortex dynamics) and of vortex advection (which sustains it) 4 Rotating Shallow-Water and Wave Dynamics Many types of wave motions ... possibility is analyzed here for several types of 2D flow 3.3.1 Rayleigh’s Criterion for Vortex Stability An analysis is first made for the linear, normal-mode stability of a stationary, axisymmetric...
- 29
- 224
- 0
Fundamentals Of Geophysical Fluid Dynamics Part 4 pptx
Ngày tải lên :
09/08/2014, 11:21
... odd symmetry of v relative to the point x = (i.e., v(x) = −v(−x), related by (4.60) to the even symmetry of η); spatial localization of the end-state flow; and continuity of v and η for all x The ... characteristic distance of deformation of the initial surface elevation proifle under adjustment is why Rossby originally called R the deformation radius The end-state shapes for v, η, and ξ from ... localized, uniformly propagating, solution of the conservative nonlinear dynamics, often arising through canceling tendencies between linear dispersive spreading and nonlinear steepening of the wave...
- 29
- 204
- 0
Fundamentals Of Geophysical Fluid Dynamics Part 5 docx
Ngày tải lên :
09/08/2014, 11:21
... turbulence for barotropic dynamics The length scale, Lβ , that makes R = for a given level of kinetic energy, ∼ V , is defined by Lβ = V β (4.127) The dynamics for flows with a scale of L > Lβ ... versa For an isolated wave of elevation (Fig 4.11), the characteristics converge on the forward side of the wave and diverge on the backward side This leads to a steepening of the front of the ... entirely in terms of non-dimensional variables, where from now on the subscripts in transformation formulae like (4.108) are deleted for brevity A β-plane approximation has been made for the Coriolis...
- 29
- 305
- 0