Numerical study of dean vortices in u tubes of finite aspect ratios

... Dean number are further investigated with substantiating findings to justify the results obtained Finally, the gradual transition from multiple vortex pairs to a single pair of counter-rotating ... means for such procedures However, constraints in flexibility and sealing of the Chapter Introduction annular flow system inhibit the practical usage of such a method Thus, the use of...

Ngày tải lên: 27/11/2015, 11:19

... gas transport in arterioles through altering gas transport properties of cells or diffusion dynamics of individual gasses This study aims to investigate the effect of hemodynamics on gas transport ... membrane of RBC and the h is size of lattice The implementation of the Flood-fill method consists of three steps: initializing the index field, drawing the bo...

Ngày tải lên: 09/09/2015, 11:24

... simulation of wave plunging 120  4.2  Overall wave plunging process 122  4.3  Characterization of wave breaking 128  4.4  Kinematics of the plunging jet at the initial stage of wave ... verification of a numerical wave tank Chapter focuses on the detailed simulation of the wave plunging process and a detailed analysis of the physics of wave plunging, i...

Ngày tải lên: 10/09/2015, 15:52

... theoretical information on mass transport A systematic study is needed to investigate the effects of various important parameters on the fluid flow and mass transport in microchannel bioreactors ... increasing fluid- phase endocytosis; and they are capable of producing intracellular actin and myosin filaments that are oriented in the flow direction Eskin et...

Ngày tải lên: 12/09/2015, 21:13

... Ochoa-Tapia and Whitaker’s stress jump conditions for the flow, heat and mass transfer in porous/ fluid coupled domains, and to investigate their effects on local and global heat and mass transfer; ... incorporated with heat or mass transfer There are also limited numerical experiments and systematic results for heat and mass transfer in porou...

Ngày tải lên: 12/09/2015, 21:13

... was to investigate the swirling flow and oxygen transport in a stirred micro- bioreactor A numerical model was developed to investigate the flow field and mass transport in a micro- bioreactor in ... Swirling Flow and Mass Transfer in a Micro- Bioreactor with Partially Rotating End-Wall 79 5.1 Numerical Model 80 5.2 Vortex Breakdown in a...

Ngày tải lên: 14/09/2015, 18:55

... simulate wave propagation in a poroelastic medium First, the theory of propagation of elastic waves in fluid-saturated poroelastic media and the localized differential quadrature (LDQ) method are ... and the localized differential quadrature method 2.1 General The theory of propagation of elastic waves in fluid-saturated poroelastic...

Ngày tải lên: 26/09/2015, 09:39

... degree of saturation Ssat Saturated degree of saturation Sres Residual saturation T Temperature TA Transmissivity of aquifer t Thickness of shaft lining V Maximum shear at final excavated depth in ... environments of deposits of Old Alluvium in Singapore appeared to correlate well with the Alluvial Complex in Singkep and Bangka of Indonesia The maximum recorded depth...

Ngày tải lên: 27/11/2015, 11:19

... predict the characteristics of the cryogen, argon along the helical coil capillary tube on a miniature J-T cryocooler; ii To validate the simulation results against the experimental data obtained ... Variation of Argon Specific Heat against Temperature 63 Figure 4.3 Variation of Argon Entropy against Temperature 64 Figure 4.4 Variation of Argon Enthalpy against Tempera...

Ngày tải lên: 27/11/2015, 11:20

... there  was  a conical island setup  in  a wave basin having the dimension of 30 m wide and  25 m long.  The conical island has the shape of a truncated  cone  with  diameters  of 7.2  m  at  ... practical  problems  related  to  long waves,  such  as  inundation  of tsunami on coastal areas.  Simulated  results  in  this  study also  confirm that the area behind an island can be  at...

Ngày tải lên: 14/03/2014, 15:20

... general design rule for using bowtie apertures for nanolithography On the other hand, there are many process difficulties to overcome, such as accurate fabrication of bow- tie apertures and maintaining ... Toward nanometer-scale optical photolithography: utilizing the near-field of bowtie optical nanoantennas Nano Lett 6, 355–360 Wang, L., Uppuluri, S.M., Jin, E.X & Xu, X...

Ngày tải lên: 06/05/2014, 08:58

... NUMERICAL STUDY OF PILE CAPACITY CONSIDERING INSTALLATION AND NEGATIVE SKIN FRICTION EFFECTS SUN JIE (BEng,MEng, Southeast University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... stress and strain state of deforming soil around piles compared with non-displacement piles Numerical modeling of displacement pile installation effects becomes a d...

Ngày tải lên: 08/09/2015, 22:17

... anchors 1.2.5 Suction embedded plated anchors 1.2.6 Dynamically penetrated anchors 1.3 Suction embedded plate anchor 1.4 Objectives and scope of study 1.5 Thesis ... square plate anchor with B/t=20 190 xiii List of Symbols A Section area of plate anchor B Width of the plate anchor Cθ Constant which varies with anchor geometry d Chain diameter D Diameter of...

Ngày tải lên: 09/09/2015, 08:17

... distortion of anterior nasal airway was found to have much larger impact on nasal airflow patterns than middle and posterior nasal airway (Garcia et al., 2010) Deviated nose, referring to appearance of ... sectional area around sinus ostia at peak inspiration and peak expiration 120  Figure 6.1 (a) Sagittal image of human upper airway The fluid domain consists of the nasal cavit...

Ngày tải lên: 09/09/2015, 10:15

... NUMERICAL STUDY OF METAL MATRIX NANOCOMPOSITES USING DISCRETE DISLOCATION APPROACH ELLIOT LAW (B Eng (Civil) (Hons), NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... Material properties of constituent phases 132 4.6 Nature of dislocation pile-ups in metallic nanocomposites 137 v Simulation of damage in metal matrix nanocomposites 141 5...

Ngày tải lên: 09/09/2015, 18:53