experimental characterization and numerical modeling

... and hyp-oxantine, guanosine and guanine, uridine and uracil, cyti-dine and cytosine were 12.2 and 6.2 min, 10.5 and 4.7 min, 15.2 and 6.1 min, 6.8 and 4.2 min and 6.6 and 3.9 min respectively The ... Sulfolobus solfataricus – biochemicalcharacterization and homology modeling Marina Porcelli1,2, Luigi Concilio1, Iolanda Peluso1, Anna Marabotti3, Angelo Facchiano3and Giovanna Cacciapuoti1 1 Dipartimento ... at 90 C and showing half-lives of 37, 24 and 5 min at 100, 105 and 110C respectively Table 1 Kinetic parameters of SsCu-NH Activities were deter-mined at 80 C as described in the Experimental

Ngày tải lên: 18/02/2014, 17:20

... better and has some other unusual catalytic properties In order to understand these features, we per-formed isolation, biochemical and enzymological characterization, molecu-lar cloning and molecumolecu-lar ... unique features; and (d) to correlate catalytic behav-iour of the enzyme with the specific features of its three-dimensional structure and evolution Results Production, purification and characterization ... Table 2 Inhibition constants (Ki) and the type of inhibition of the PoHex from Penicillium oxalicum strains CCF 1959 and 3438 for GlcNAc and GalNAc reaction products, and comparison with the Hex from

Ngày tải lên: 14/03/2014, 23:20

... density of a fluid (Landau&Lifshitz, 1987), ε=e+(p/ρ)+v 2 /2 , the “classical” form of the energy conservation law results (the physical significances of e and p are given in (Landau&Lifshitz, ... following experimental determinations by Vasu and all (Vasu et al., in press): Nu =0.0023 Re Pr⋅ 0.8⋅ 0.4 (99) Trang 4where the Reynolds number is defined by: nf m nf nf The temperature and velocity ... regime, temperature and nanofluids concentrations Figures 9-11 highlights the results of values of water and three types of nanofluids used depending on the Reynolds number and the primary agent

Ngày tải lên: 19/06/2014, 12:20

... b, and α are also parameters which need to be specified 8 Numerical solution and concluding remarks The volume fraction equation, Eqn (40) and the velocity equation, Eqn (41) are coupled and ... angle of friction and c is a coefficient measuring cohesion Rajagopal et al., (2000) and Baek et al., (2001) discuss the details of experimental techniques using orthogonal and torsional rheometers ... concentration, temperature, etc., and in fact, for anisotropic material, k becomes a second order tensor There have been many experimental and theoretical studies related to this issue and in general the flux

Ngày tải lên: 19/06/2014, 12:20

... Phase Flow, Phase Change and Numerical Modeling Lamberg, P.; Lehtiniemi, R & Henell, A (2004) Numerical and Experimental Investigation of Melting and Freezing Processes in Phase ... continuity and Navier-Stokes equations are solved with the Enthalpy- Porosity and the VOF methods in order to simulate a melting and falls-off PCM and we can safely said that our model and code ... 3.5, 3.9 and 4.2 s Two Phase Flow, Phase Change and Numerical Modeling 534 Fig. 9 shows the volume fraction, F . In this figure, change of free surface interface between gas and PCM are

Ngày tải lên: 19/06/2014, 12:20

... Modeling Figures 14 and 15 show comparisons of CO2 temperature and pressure between simulations and the well logging data for injection conditions of 68.54°C, 9MPa and. .. Transfer and ... Changes in CO2 temperature and phase (gas, liquid and. .. diagram 580 Two Phase Flow, Phase Change and Numerical Modeling Fig 18 CO2 density and specific enthalpy vs depth ... Incropera, F and DeWitt, D, (1996), Fundamentals of Heat and Mass Transfer, John Wiley & Sons., ISBN 0-471-30460-3, New York Two Phase Flow, Phase Change and Numerical Modeling 564

Ngày tải lên: 19/06/2014, 12:20

... candidate for high power and high temperature purposes, a GaN-based HEMT would thus be the choice candidate for electronic devices capable of withstanding high power and high temperature However, ... and Dr Yeo Yee Chia as well as his mentor from the Data Storage Institute, Dr Lee Hock Koon Their guidance and attitude towards excellence has always been a source of inspiration Their care and ... processes and their characterisation Electrical measurement was the main mode of characterisation in this work Methods such as the C-V, I D -V GS and I D -V DS measurement were performed on experimental

Ngày tải lên: 03/10/2015, 20:31

... candidate for high power and high temperature purposes, a GaN-based HEMT would thus be the choice candidate for electronic devices capable of withstanding high power and high temperature However, ... and Dr Yeo Yee Chia as well as his mentor from the Data Storage Institute, Dr Lee Hock Koon Their guidance and attitude towards excellence has always been a source of inspiration Their care and ... processes and their characterisation Electrical measurement was the main mode of characterisation in this work Methods such as the C-V, I D -V GS and I D -V DS measurement were performed on experimental

Ngày tải lên: 12/10/2015, 17:36

... dynamics simulations RW and TO analyzed the experimental and simulation data and prepared the manuscript WZ conceived the study and contributed to manuscript writing All authors read and approved the ... 1B) Tcur1278 and Tcur0390 showed an optimal temperature at 60°C and 55°C, respectively Thermal stability of Tcur1278 and Tcur0390 The stability of Tcur1278 and Tcur0390 at 50°C, 55°C and 60°C was ... constant, and [E], the enzyme concentration Homology modeling and molecular docking Homology modeling of T curvata polyester hydrolases was carried out using the Phyre2 web server (Kelley and Sternberg

Ngày tải lên: 02/11/2022, 10:43

... Trang 2Characterization and physical modeling of MOS capacitorsin epitaxial graphene monolayers and bilayers on 6H-SiC M Winters,1, aE Ö Sveinbjörnsson,2,3C Melios,4,5O Kazakova,4 W Strupiński,6and ... surface potential fluctuations and material non-uniformity are addressed in the context of SEM and KPFM imaging Energy gap modeling in bilayers then described, and a band diagram for the graphene ... min-imal band bending in the SiC bulk Thus, ϵf passes through the midgap such that the band offset between the conduction band in the SiC and the ϵf in the graphene is ϵSiC g /2 The band gap in

Ngày tải lên: 24/11/2022, 17:38

... Vinning and D M Rowe, CRC Handbook of Thermo-electrics, (CRC Press, 1995), pp 329–337. 11 M.S Dresselhaus, Y.M Lin, T Koga, S.B Cronin, O Rabin, M.R Blackand, and G Dresselhaus, in Semiconductors and ... thermoelectric leg (n or p), and A denotes the cross-sectional area Subscripts ‘‘n’’ and ‘‘p’’ denote the corresponding n or p thermoelectric materials k and q are thermal conductivity and electrical resistivity, ... signify thermal and electrical energy flows through the circuit. Trang 6QC¼ aTECT6Iþ12I 2rel;TECþ KTECðT5 T6Þ: (18) After combining Eqs (15) and (16) and taking the difference of Eqs (17) and (18),

Ngày tải lên: 06/05/2014, 08:54

... change occurs at a laser ~uence of about 4[1 J cm−1 [ 2[ Numerical modeling Numerical modeling is carried out to compute the heat transfer and phase change processes during excimer laser evaporation[ ... laser!induced shock wave\ and due to scattering and absorption by the plume[ The distance between the probing beam and the target surface is incrementally adjusted and the corresponding arrival ... uncertain ther! mophysical properties and interfacial relations on the computational results[ 1[ Experimental study Experimental studies include measurements of velocity and optical properties of the

Ngày tải lên: 06/05/2014, 08:55

... schematic structural model consists of six a-helixes and has one central b-sheet made up of six b-strand-strands (Fig 3A) The first and second b-strand of the a ⁄ bhydrolase fold have not been modeled ... enzymes and consensus sequences Consensus sequences of the different lipase and esterase families [35, 36] and the two enzymes discussed in the text, PhaZ7 [28] and Est30 [20] are indicated understanding ... and the residual activities were measured using the standard method Stability against organic solvents and detergents was measured in the presence of 1% solvents and detergents within the standard...

Ngày tải lên: 23/03/2014, 09:20

... advanced and revised contributions, and it covers mainly (1) numerical modeling of heat transfer, (2) two phase flow, (3) nanofluids, and (4) phase change The first section introduces numerical modeling ... Benta and Catalin Mihai Chapter Numerical Modeling and Experimentation on Evaporator Coils for Refrigeration in Dry and Frosting Operational Conditions 27 Zine Aidoun, Mohamed Ouzzane and Adlane ... Phase Flow, Phase Change and Numerical Modeling, Edited by Amimul Ahsan p cm ISBN 978-953-307-584-6 Contents Preface IX Part Numerical Modeling of Heat Transfer Chapter Modeling the Physical Phenomena...

Ngày tải lên: 19/06/2014, 12:20

... experimentally determined and returned by the above presented method (Pearsica et al., 2010, 2008c) Fig Processing speed variation 24 Two Phase Flow, Phase Change and Numerical Modeling The experimental ... (2006) Investigation of Numerical Techniques with Comparison Between Anlytical and Explicit and Implicit Methods of Solving One- 26 Two Phase Flow, Phase Change and Numerical Modeling Dimensional ... temperature applications and novel modeling treatment of circuit design and frost deposition control 2.1 Modeling Modeling of refrigeration heat exchangers for design and performance prediction...

Ngày tải lên: 19/06/2014, 12:20

... water 62 Two Phase Flow, Phase Change and Numerical Modeling and refrigerant sides, in order to effectively shorten or reduce the time and cost in the development and design of this type of heat exchanger, ... [W/m2K], di and are, respectively, the inside and outside diameters of tubes 68 Two Phase Flow, Phase Change and Numerical Modeling [m], km is the thermal conductivity [W/mK], Rfi and Rfo are ... Phase Change and Numerical Modeling The present modeling procedures for determining the total heat transfer rate are shown as Fig and detailed as following steps: Input design parameters and geometry...

Ngày tải lên: 19/06/2014, 12:20

... capillary limit and the evaporator boiling limit An improved model is suggested and it is compared with the simulation and experimental Theoretical and Experimental Analysis of Flows and Heat Transfer ... size estimation, and performance rating of the shell -and- tube condenser has been developed, varified, and modified A good agreement is observed between the computed values and the experimental data ... refrigerant outlet temperature, and (c) heat transfer rate 81 82 Two Phase Flow, Phase Change and Numerical Modeling References Allen, B., & Gosselin, L (2008) Optimal geometry and flow arrangement for...

Ngày tải lên: 19/06/2014, 12:20

... (Fig 21) 110 Evaporator Adiabatic zone Condenser 100 Experimental 10 W Experimental 20 W Experimental 30 W Experimental 40 W Experimental 50 W Experimental 60 W Model 90 T (°C) 80 70 60 50 40 30 ... 20 Variations of the FMHP wall temperature 180 160 Experimental 10 W Experimental 20 W Experimental 30 W Experimental 40 W Experimental 50 W Experimental 60 W Model 140 T (°C) 120 100 80 60 40 ... τlw = τ vw = Where kl and kv are the Poiseuille numbers, and Dhlw and Dhvw are the liquid-wall and the vapor-wall hydraulic diameters, respectively The hydraulic diameters and the shear stresses...

Ngày tải lên: 19/06/2014, 12:20

... attainment and maintenance of the plasma density and temperature on a required level and forces to develop sophisticated and expansive methods to feed and heat up the plasma components On the other hand, ... ∂rZ Numerical approaches elaborated to overcome problems arising on this way are presented and highlighted below on several examples 154 Two Phase Flow, Phase Change and Numerical Modeling Numerical ... Lines and depict the centreline and surface temperature, respectively Lines and illustrate the shell growth and solid fraction, respectively The borders of the final casting segments 5, 6, and...

Ngày tải lên: 19/06/2014, 12:20

... Nematollahi and Nazifi, 2007; Rodriguez and El-Genk, 2008a, b, c, and d; Rodriguez, Domino, and El-Genk, 2010; Rodriguez and El-Genk, 2010a and b; Rodriguez and El-Genk, 2011) There are many devices and ... and Γ ω are the effective diffusivity of k and ω, respectively; Gk and Gω are the generation of k and ω, respectively, due to mean velocity gradients; and Yk and Yω are the dissipation of k and ... azimuthal, (a) and (b), and axial, (c) and (d), velocity profiles for S2 configuration Q ≈ 100 l/h for (a) and (c); and Q ≈ 270 l/h for (b) and (d) The circles indicate mean velocity values and the error...

Ngày tải lên: 19/06/2014, 12:20