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Numerical simulation and field synergy analysis of flow and heat transfer in a vibratory tube Jiuyang Yu 1, a, Lijun Liu 1,b , Wei Lin1, 2 , Qian Liu1 , Wenhao Yang 1 and Sihao Nie 1 , Yiwen Chen1 1School of Electrical and Mechanical Engineering, Wuhan Institute of Technology, 693 Xiong Qu Street,Wuhan 430073, Hubei, China 2School of Mechanical and Electrical Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China ajyyu@mail.wit.edu.cn, bnewlyn1987@163.com Keywords: Dynamic mesh; Vibratory tube; Heat transfer; Field synergy.
The characteristics of flow and heat transfer are investigated by dynamic mesh of CFD (computational fluid dynamics) software FLUENT, the velocity and temperature distributions in a vibration cycle are analyzed by field synergy theory.

(a) Common projectile (b) Developed diameter 148mm Fig.2 Physical models 3.2 Establishment of calculation simulation models 1) Select laminar a flow model from FLUENT, the upwind scheme is the second order upwind scheme.
Simulation results are shown in Fig.5~ Fig.6.
Fig.5Relation curve of resistance Fig. 6 Relation curve of resistance coefficient and angle of attack at Ma=0.6 coefficient and Mach number at α=4 4.2 Analysis on simulation results 1） When Mach number is fixed, the variation tendency of resistance coefficient with the angle of attack corresponding to different developed areas is basically consistent.
Conclusion In this paper, the purpose to correct trajectory is realized by means of controlling the developed area of the resistance circle, and the force situations of common standard projectile and correction projectile are calculated with CFD software.
Command Control and Simulation. 2009(6), 31(3) [8] Guanglin He, Baohua Ma, Linfeng Li, Jing Su: Damping Correction Mechanism of One dimensional Trajectory Correction Fuse [J].

The third one is simulation and discussion.
Simulation and Discussion In this section we use ESI-CFD+ software for simulation.
Giani, Thermal simulation and experimental results of a micromachined thermal inclinometer, Sensors and Actuators A, Physical. 141 (2008) 307-313

Wind-Wave Numerical Prediction Model in East China Sea XiShan Pan1,a, Ruijie Li1,b, Yang Li2,c, Chunhui Li1,d and Weiyi Zhang1,e 1Key Laboratory of Coastal Disaster and Defence (Hohai University), Ministry of Education,Nanjing, 210098, China 2Fujian Port & Waterway Survey and Design Institute, Fuzhou, 350002, China apxs0702@sina.com, brjli@hhu.edu.cn, cfd_billy@hotmail.com, d381266950@qq.com, ezwy16521@163.com Keywords: wind field; WRF model; WW3 model; wave prediction; Abstract.
As the driving force, wind plays a key role in wave calculation and numerical simulation.
So, the study on wind field simulation in Chinese sea has important practical significance.
Finally, the paper uses the calculation result by WAVEWATCHⅢ Model to analyse the simulation ability of the wave field with different wind fields condition in the East China Sea[10].
In order to reduce the influence of simulation accuracy with cold start, the proving time range is chosen from 00:00:00 to 18:00:00 of January 4th in 2009.

The research aims at determination of optimal shape with use of numerical simulations of heat transfer and calculation of pressure drops.
Numerical simulations were carried out in software Calculation Area (CalA) [10], which is suitable for 2D simulation of heat transfer with steady-state and transient boundary conditions [11].
Steady-state simulations of ventilation ducts with 50 mm insulation show heat flux q in range 7 - 8W/m2 without influence of radiation.
Thermal CFD Analysis of Tubular Light Guides.
Šikula: Transient Numerical Simulation of Linear Thermal Transmittance in Software CalA.

These results can be potential scheme for puff field tests, wind tunnel experiments and especially for numerical simulations.
Fig. 1 General procedure to investigate hazardous gas puff dispersion Basic Dispersion Characteristic Properties and Their Algorithms Original data collection is necessary procedure no matter in field tests, or in wind tunnel tests or even in numerical simulations.
It is known that before no matter large scale field tests or scaled field tests or wind tunnel tests or even numerical simulation, it is necessary to carry out a detailed data collection and processing design.
CFD dispersion modelling for emergency preparadnes.

The results show that data from experiment and simulation have the same trend and in good agreement.
To simulate the complex flow patterns inside the hidden ceiling fan and outside the space, the commercial CFD software Fluent is utilized to solve the fully three-dimensional incompressible Navier-Stokes equations with the standard turbulence model.
The deviation between experiment and simulation is -10.51%.
The deviation between experiment and simulation is -11.13%.

With the rapid development of CFD methods, more and more researchers devoted to investigating properties of plasma spraying by numerical simulations[2-5].
Internal powder injection structure is used in this simulation of plasma spraying.
Qunbo, et al.,"3d simulation of the plasma jet in thermal plasma spraying" Journal of Materials Processing Technology, 2005, pp. 224–229
Bergman,"Simulation of thermal plasma spraying of partially molten ceramics: Effect of carrier gas on particle deposition and phase change phenomena" Transactions of the ASME, 2000
Ramachandran,"Comparisons between two different three-dimensional arc plasma torch simulations" Journal of Thermal Spray Technology, 2009, pp. 846-857.

The simulations were 2-dimensional and plane strain was specified in the third direction.
Both the particulates and matrix were treated as linear elastic over the course of the simulation.
Modeling and simulation of microstructures using power diagrams: Proof of the concept.
Crack propagation simulation in microstructure of ceramic tool materials.
A tensorial approach to CFD using object oriented techniques.

Abstract. 2D simulation is carried out to determine exactly the effect of blockage ratio on the flow and mixed convection heat transfer characteristics of Newtonian fluid around a square cylinder confined in horizontal channel, the numerical study is investigated in the range of these conditions: Re = 10 to 30, Ri = 0 to 1 and blockage ratio β = 1/10 to 1/2.
The laminar steady regime, the numerical simulation is carried out for the range of conditions as: Re = 1 to 40, Pr = 0.71 to 50, Ri = 0 to 4 and blockage parameter β = 16.67% to 50%.
The simulations are carried out for Re = 10 to 30, Ri = 0 to 1 and blockage ratio β = 1/10 to 1/2 at fixed value of Pr = 1.
(11) Numerical Procedure The numerical simulation is carried out by using the commercial CFD package ANSYS-CFX.
Fig. 2: Typical grid used for simulation.