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Non-uniform meshes are generated over the pumping chamber, the buffers and channels for the simulation.
The simulations were carried out by using FLUENT 6.3 CFD software.
Figure 3 shows the simulation results obtained for the three micro-coil designs.
Figure 5 presents the simulation results for the three micro-coil fabricated in the current study.
The theoretical design models have been numerically validated using Ansoft/Maxwell3D, ANSYS and FLUENT 6.3 CFD simulation software.

The flow database at Re=100 is obtained by CFD software, i.e.
Results and Discussions The database of flow past a stationary circular cylinder at Re=100 was calculated by the CFD software, i.e.
When the basic flow is time-average flow, the imaginary part of the eigenvalue of the most unstable mode, i.e. the saturated frequency of oscillation, is 0.1675, which accords with the frequency obtained from the direct numerical simulation .
While , the largest real part of the eigenvalues are negative which shows the basic flow is stable, which shows good agreement with the result of direct numerical simulation qualitatively.
The extrapolated critical Reynolds number obtained from the above linear stability analysis is about , which is very close to the values obtained by direct numerical simulation and the precious experiment results, i.e.

The analysis is predominantly simulation based which focused mainly on the root cause of the failure of boiler tubes exposed to operating condition.
Methodology Based on the availability of functions, information or details, convenience etc the simulation was carried out using several available software.
Pro ENGINEER was used to do the drawing only whilst ALGOR did the simulation on mechanical and material testing and GAMBIT (Geometry and Mesh Building Intelligent Toolkit) and Fluent were used for temperature distribution simulation.
Fig. 2: Heat Flux distribution along the tube Fig.3: Contour of total pressure in boiler tube CFD Analysis Modelling.
The input values of heat generation rate, heat flux, inlet temperature, material properties were taken from online sources to carry out simulation and CFD analysis.

The well known Large Eddy Simulation technique needs high resources for computing power and time.
Introduction The well known Large Eddy Simulation (LES) turbulent model is used widely in hard disk drive (HDD) flow simulation but it needs high computing time and resources.
An alternative to CFD: piecewise linear models for frequency spectra of flow induced drag in hard disk drives.
Simulation of the Airflow Characteristic inside a Hard Disk Drive by Applying a Computational Fluid Dynamics Software.
A numerical simulation of particle trajectory in thin hard disk drive. in Apmrc 2012 Dig. 1 –2 (2012)

In this work, the simulation was prepared using the CFD software, Ansys-CFX.
Simulation model of the Ansys-CFX Transient analyses in all the simulations use the High Resolution advection and the modified Second Order Backward Euler scheme.
The good match between the PCT of both the simulation and experimental test validating the Ansys-CFX model for charging a PCM sphere encapsulated with pins.
Simulations on sphere filled with PCM have also been done and experimentally validated.
Part 2: Dynamic simulation model for the combined system.

Simulation Analysis of the Heat Temperature Field of Lithium-ion Battery Pack for Pure Electric Vehicle Hongwei Liu1,a, Juan Zhang1,b,Nailong Xin1,c 1 State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun, 130025, China aasgroup@163.com,bzhangjuan90122@163.com, cxin5348550@163.com Keywords: Pure electric vehicle, Lithium-ion battery pack, The heat temperature field, Simulation analysis Abstract.
Firstly, the heat temperature condition of the battery is analyzed , and the distribution of the heat temperature field is determined ; Secondly, the heat model and the heat rate model are set up, and the thermal model of the thermal physical parameters and definite solution conditions are determined; Finally, the heat of battery pack is analyzed by CFD, including using Fluent module in ANSYS software ; Through the simulation analysis of heat temperature field of lithium-ion battery, theoretical guidances of reasonable design to the heat management system are provided.
By the calculation and simulation of Fluent software, the heat temperature field distribution of the lithium-ion power battery pack in 30 ˚C we can be got , with 1C rate current of constant current discharge, as is shown in Fig.6.
The simulation results are shown in Table 3.
Conclusion Through the ANSYS thermal software’s simulation computation to the heat temperature field, the battery pack heat can be got by different charge and discharge current, when environmental temperature is 30˚C.

Both ALE and DLM are very accurate and comparable to direct numerical simulation (DNS).
Tezduyar, 3D simulation of fluid-particle interactions with the number of particles reaching 100, Comp.
Wang, Simulations of dispersed turbulent multiphase flow, Fluid Dyn.
Cleary, The effect of particle shape on Hopper Discharge, Second International Conference on CFD in the Minerals and Process Industries, Conference Proceeding, p.71-76 CRISO, Melbourne, Australia, Dec.6-8, 1999 [9] M.
Sherwin, Spectral/hp Element Methods for CFD.

It indicated that performance characteristics of centrifugal compressor under off-Design condition could be predicted by computational fluid dynamics (CFD) technology.
Furthermore, internal flow characteristics and load distribution could be visualized directly by CFD post processing graph. 1 Introduction Centrifugal compressor was employed in aircraft environmental control system to pressurize the bleed air from engine.
Numerical Simulation 3.1 Computational model Main components of centrifugal compressor include impeller and diffuser.
CFD and Expriment Verification for Characteristics of Supercharge Compressor.

Simulation of Interference Characteristics of the Model Supporting Beams with Different Forms of Section in Wind Tunnel Test Xingjun Hu 1,a, Yuexing Miao 1,b 1 State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China a hxj@jlu.edu.cn (Corresponding Author), b miaoyuexing1212@163.com Keywords: Automotive aerodynamics, Computational fluid dynamics, Standard MIRA model, Model supporting beam, Forms of section.
The commercial CFD software - Ansys Fluent was used to simulate the three-dimensional flow field around the standard MIRA model installed with three different kinds of supporting beams.
Numerical Simulation Geometrical Model.
During the process of numerical simulation, three layers of triangular prism meshes are stretched on the surface of the body in order to simulate the adhesive layer [5].
Results Analysis The numerical simulation results of four models (standard MIRA model is a control group) are listed in Table 1.

With Computational Fluid Dynamics (CFD), the effect of a number of dimensionless parameters such as the non-dimensional curvature, Reynolds number, dimensionless axial angle α and annular angle β and other factors on the spatial distribution of pressure inside the elbow are analyzed and discussed in detail.
Based on simulation or experience, the physical relationship between variables can be determined by means of the harmony laws of dimensions of physics variables and dimensional analysis modeling for the Buckingham-Π theorem.
The following dimensionless pressure with the same α and β in the elbow pipe are taken as the object of analysis and research. 3.1 The variation of the dimensionless pressure (difference) with the bending diameter ratio R/D 3.1.1 The variation of the dimensionless pressure with R/D In the CFD simulation, the pipe inlet velocity is defined as 60 m/s, and the elbow outlet is treated as pressure outlet boundary condition.
Numerical simulation and experimental investigation of pressure loss coefficient in HVAC rittings [J].
Numerical simulation of flow characteristics and experimental study of flow coefficient on elbow flowmeter [D].