fluid flow and its modeling using computational fluid dynamics

Báo cáo sinh học: " Exact p-value calculation for heterotypic clusters of regulatory motifs and its application in computational annotation of cis-regulatory modules" doc

... eve2 and random sequences P-value distribution for eve2 and random sequences Distribution of log10 (Pvalue) calculated for the M1 model as a function of cutoff values for PWMs for BICOID and KRUPPEL ... random sequence we see ridges between (2.2, 2.0) and (2.2, 4.8), and (2.8, 2.0) and (2.8, 4.8) As we expected, it is impossible to choose the appropriate cutoff for PWMs of factors from the random ... 24:1429-1435 Liu Y, Yokota H: Modeling Transcriptional Regulation in Chondrogenesis Using Particle Swarm Optimization IEEE Symposium on Computational Intelligence in Bioinformatics and Computational Biology,...

An efficient and robust algorithm for incompressible flow and its application in heat transfer enhancement

Danh mục: Cao đẳng - Đại học

... laminar heat transfer and fluid flow characteristics of plain fin -and- tube heat exchanger, and examined the effects of Reynolds number, fin pitch, tube row number, spanwise and longitudinal tube ... transfer and reduction of pressure drop Tutar 13 Chapter Introduction and Literature Review and Akkoca (2004) carried out the unsteady three-dimensional laminar flow and heat transfer over single- and ... wet and frosted surfaces in heat exchangers with simultaneous heat and mass transfer 1.2.2.2 Wavy fin -and- tube heat exchanger Jang and Chen (1997) numerically simulated the heat transfer and fluid...

Syngas production in downdraft biomass gasifiers and its application using internal combustion engines

Danh mục: Báo cáo khoa học

... charcoal bed allowing its filtration and catalysis and a quick response to any load change The downdraft gasifier implementation is limited to small capacities and according to Reed and Das [17] there ... the mass burnt, the variation of the pressure and temperature over the cycle and values of the engine’s efficiency and of its indicated mean pressure Using a parameter named as the Engine Fuel Quality ... biomass consumption rate and the area of the throat is between 0.05 and kg/(s,m2) The gasification process consists of several stages (drying, pyrolysis, combustion and reduction) and the relevant equations...

Identification and characterization of protein kinase CK2 as a novel interacting protein of neuronal CDK5 kinase and its functional role in microtubule dynamics

Danh mục: Cao đẳng - Đại học

... values for the α and α’ subunits ranges from 35 to 44 kDa (Hathaway and Traugh, 1982; Litchfield et al., 1990) The α, α’ and β subunits are the products of three distinct genes (Allende and Allende, ... the other hand, others have reported that CK2 activity and its immunoreactivity as predominantly cytoplasmic (Singh and Huang, 1985; Girault et al., 1990) Using immunofluorescence and immunoelectron ... microtubule dynamics The CK2 holoenzyme is composed of two catalytic α or α’ subunits and two regulatory β subunits We showed that the α subunit of CK2 binds directly to both microtubules and tubulin...

Modeling optimizes PEM fuel cell durability using threedimensional multi-phase computational fluid dynamics model

Danh mục: Môi trường

... transport of reactants, heat and charged species using computational fluid dynamic (CFD) methods A comprehensive computational model should include the equations and other numerical relations ... computing resources and excessively long simulation times The computational domain in this study is therefore limited to one straight flow channel with the land areas The full computational domain ... consists of cathode and anode gas flow channels, and the membrane electrode assembly as shown in Figure 2.2 Model equations 2.2.1 Gas flow channels In the fuel cell channels, the gas -flow field is...

FLUID DYNAMICS, COMPUTATIONAL MODELING AND APPLICATIONS doc

Danh mục: Kỹ thuật lập trình

... Legendre and Akash Prakasan Chapter 23 Assessment of Carotid Flow Using Magnetic Resonance Imaging and Computational Fluid Dynamics 513 Vinicius C Rispoli, Joao L A Carvalho, Jon F Nielsen and Krishna ... several up-to-date topics in fluid dynamics, computational modeling and its applications, and it is intended to serve as a general reference for scientists, engineers, and graduate students The ... contribution of many scientists, and researchers in the field of fluid dynamics, and also thanks to the initiative of InTech, and the outstanding professional work of its staff and editors This book covers...

Hydrodynamic and disperson behaviour of an analytical silica monolith reconstructed from sub microtomographic scans using computational fluid dynamics

Danh mục: Y - Dược

... second moment to peak tailing and integration limits This method consisted of measuring the elution time of the chromatogram at its apex and its bandwidth at exactly half its height The method ignored ... estimated from Wilke and Chang equation (Wilke and Chang, 1955): (3.2) where, where and , and , and are the molar fractions, the associative factors (1.9 for methanol, 2.6 for water), and the molecular ... theoretical computational model of a commercially available silica monolith from sub-micron x-ray computed tomography scans and study its hydrodynamic and dispersion behaviour using a commercial computational...

Computational fluid dynamics (CFD) modelling of a continuous baking oven and its integration with controller design

Danh mục: Tổng hợp

... m-2 K-4) The subscript a stands for air; s stands for surface; w stands for walls 2.3 Computational Fluid Dynamics (CFD) Computational Fluid Dynamics (CFD) modelling and simulation is becoming ... vitamins, iron and calcium, and it has been a symbol of nourishment, both spiritually and physically (Sizer & Whitney, 2003) Though Computational Fluid Dynamics (CFD) has proved its effectiveness ... yields many benefits, e.g it can reliably predict the likely performance of a fluid handling equipment at the design stage Scott and Richardson (1997), Xia and Sun (2002) and Wang and Sun (2003)...

Modeling of wind load on tall buildings using computational fluid dynamics

Danh mục: Tổng hợp

... SUMMARY Numerical modeling of wind load on tall buildings is studied in details in this thesis using the principles of computational fluid dynamics Spatial-developing boundary layer flows over a single ... studies in the 1970s and 1980s of numerical flows around two- and threedimensional obstacles by Hirt et al (1978), Paterson and Apelt (1986), Murakami et al (1987) and Murakami and Mochida (1988) ... simulation (DNS) is too computationally expensive, and hence the general trend is to simplify the calculation process by averaging and modeling Various models to 11 generate flow turbulence have...

UV-disinfection Reactor Validation by Computational Fluid Dynamics and Relation to Biodosimetry and Actinometry

Danh mục: Môi trường

... (microbes) in the reactor and the UV intensity in the reactor as a function of position The particle trajectory calculations can be performed by computational fluid dynamics UV intensity at any ... were taken before and after passing through the UV reactor at a range of measured flow rates The ratio of survivors to initial numbers was compared to Equation (8) and RED for each flow rates were ... Biodosimetric Test Apparatus - 79 - Journal of Water and Environment Technology, Vol.3, No.1, 2005 steel column 110 cm high and the reactors equipped with and lamps were made from a 210.3 mm (ID) stainless...

Computational fluid dynamics principles and applications j blazek

Danh mục: Vật lý

... journals and electronic producu and services Elsevier Tte of Related Interest ils Computational Fluids and Solid Mechanics Ed K-JBathe ISBN: 008-0439446 The Mathematics of Finite Elements and Applications ... Mechanics and Engineering Computers and Fluids Computers and Structures Engineering Analysis with Boundary Elements Finite Elements in Analysis and Design International Journal of Heat and Mass ... Aerospace Studies and Research), France SIAM Society of Industrial and Applied Mathematics, USA VKI Von Karman Institute for Fluid Dynamics, Belgium ZAMM Zeitschrift fur angewandte Mathematik...

Jose m garrido introduction to computational modeling using c and open source tools

Danh mục: Kỹ thuật lập trình

... Command B.5.2 The man Command B.5.3 The ls Command B.5.4 The cp Command B.5.5 The mv Command B.5.6 The rm Command B.5.7 The cd Command ... concepts, principles and methods Computational modeling focuses on reasoning about problems using computational thinking and multidisciplinary/interdisciplinary computing for developing computational ... solving, introductory concepts and principles of computational models, and their development This part introduces the basic modeling and techniques for designing and implementing problem solutions,...

computational fluid dynamics technologies and applications

Danh mục: Hóa học - Dầu khí

... design to be optimized prior to the prototype phase. So CFD is developing rapidly in its technology and applications. Its use can cut design times, increase productivity and give significant insight to fluid flows. On the other hand Computational Fluid Dynam‐ ics ... pressure and temperature) could be measured by using various kinds of sensor Fig Various approaches to describe fluid flow at different level 30 Computational Fluid Dynamics Technologies and Applications ... Introduction 1.1 Computational Fluid Dynamics (CFD) methods In fluid dynamics, there are three levels to describe the motion of a fluid: microscopic level, mesoscopic level and macroscopic level...

numerical computation of internal and external flows the fundamentals of computational fluid dynamics, second edition

Danh mục: Hóa học - Dầu khí

... Internal and External Flows Volume Fundamentals of Computational Fluid Dynamics This page intentionally left blank Numerical Computation of Internal and External Flows Volume Fundamentals of Computational ... evolution and extension of Computational Fluid Dynamics (CFD) since the ﬁrst publication of these books CFD is now an integral part of any ﬂuid-related research and industrial application, and is ... development and application of CFD at Boeing commercial airplanes, Seattle, 16th AIAA Computational Fluid Dynamics Conference, Orlando, AIAA Paper 2003-3439 Lockard, D.P., Khorrami, M.R and Li, F...

báo cáo hóa học:" Research Article Variable Viscosity on Magnetohydrodynamic Fluid Flow and Heat Transfer over an Unsteady Stretching Surface with Hall Effect" pot

Danh mục: Hóa học - Dầu khí

... A Quarteroni, and T Zang, Spectral Methods in Fluid Dynamics, Springer Series in Computational Physics, Springer, New York, NY, USA, 1988 24 W S Don and A Solomonoff, “Accuracy and speed in computing ... mass, linear momentum, and energy were modified to include the Hartmann and Hall effects of magnetohydrodynamics, and variable viscosity of the fluid was solved numerically using the successive linearization ... in its own plane with velocity Uw x, t , and the temperature Tw x, t distribution varies both along the sheet and time A strong uniform magnetic field is applied normally to the surface causing...

Báo cáo hóa học: "Research Article Modeling of Electric Disturbance Signals Using Damped Sinusoids via Atomic Decompositions and Its Applications" ppt

Danh mục: Báo cáo khoa học

... generated using the model equation (1) can be seen in Figure 10 The components of the original signal are two sinusoids of 60 Hz with amplitudes and and phases 0◦ and 90◦ that go from samples to 50, and ... signal reconstruction (see (14)) The starting and ending samples of the atoms ns and ne are coded using log2 (N) bits as m m the decomposition algorithm limits them to integers in this range, meaning ... signal in Figure 12(a) is compressed using a rate of 0.492188 bits/ sample with SNRR = 24.888 dB and the signal in Figure 12(b) is compressed using 0.542969 bits/sample with SNRR = 25.387 dB The...

NUMERICAL SIMULATIONS EXAMPLES AND APPLICATIONS IN COMPUTATIONAL FLUID DYNAMICS_2 pptx

Danh mục: Kỹ thuật lập trình

... Computational Fluid Dynamics Simulations, AIAA Guide G-077-1988, ISBN 1-56347-285-6, January 14, 1998 ASME, (2009) Standard for Verification and Validation in Computational Fluid Dynamics and Heat ... Fatigue in a T-junction, CFD4NRS-3, Experimental Validation and Application of Computational Fluid Dynamics and Computational Multi -Fluid Dynamics Codes to Nuclear Reactor Safety Issues, OECD/NRC ... blood viscosity coefficient and blood flow parameters can be found To describe 218 Numerical Simulations - Examples and Applications in Computational Fluid Dynamics the flow occurring in vicinity...

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