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To achieve it, a structural grid model was established, and then a CFD tool was used to collect performance data.
Either in supersonic condition or in regimes of high angle of attack, it can still remain favorable control efficiency, which is a particular advantage over conventional rudder. 3 Simulation model To simplify the process of establishing simulation model, the specific structure of split-drag-rudder here will not be taken into account; it is simplified as zero-thickness surfaces.

Thus, the main objective of this investigation is to design a new high-performance burner for a compact reformer with the following specific objectives: 1) to determine a basic configuration of the burner for a 40 Nm3/hr hydrogen-generating reformer, 2) to modify the basic configuration applying for the HTAC concept, 3) to optimize the design through numerical simulations for various conditions; and 4) to experimentally validate the temperature uniformity.
Computational Methods Commercially available CFD code FLUENT 6.0 was used to design a new configuration of the reformer burner [6].
The experimental measurements were carried out for a test burner of the same configuration as the optimized one for numerical simulations: the same dimensions as those of the burner with the self-regenerative burner shown in Figs. 3 and 4.

The FE analysis is used for macro-scale simulation while the DE method is applied to simulate meso-scale phenomena taking place in the thin, sometimes a few micron thickness, surface layer.
A model of the FSW process effectively should be a 3-D either thermomechanical (TMM) or computational fluid dynamics (CFD) model to reflect the three main stages of the process, such as the tool penetration period, the welding and the pulling out of the tool.
Simulations of the reheating and breakdown laboratory rolling of the Al-Mg-Mn alloy AA3104 and examination of the specimens using glow discharge optical emission spectrometry (GDOES) revealed that the reheating induced significant Mg enrichment in the surface and near surface regions.

In 2005, Chan researched the blood flow characteristics of the axial-flow artificial heart pump, and found the relation between blade parameters and system performance by CFD simulations[7].
Simulation and Analysis of Maglev Blood Pump’s Magnetic Field ANSYS can directly calculate the electric force and structural deformation, the accuracy is guaranteed at the technical level.

In fact, the thermal analysis of the heat transfer in the evaporators is performed by numerical simulations and the extractions of the governing equations of the process.
Globally, thermal study by numerical simulation is generally performed by computational fluid dynamic CFD, as in this research work where heat transfer is analyzed in tube solar collectors [33].
Because previous studies have focused on the numerical simulation of evaporators, mathematical modeling can also be used to study and identify their thermal processes and abilities.
In effect, with the large use of Computational Fluid Dynamics CFD in the numerical simulation of fluids and gases involved and produced in the heat transfer process, mathematical modeling is considered a powerful method to describe the heat exchanger, especially for the serpentine evaporator, where there is a research gap and the necessity to create new models.
Alsagri, Design and dynamic simulation of a photovoltaic thermal-organic Rankine cycle considering heat transfer between components, Energy Conversion and Management. 225 (2020) 113435

CFD simulation is needed in future work in order to explore the real pressure rise effect of jet fans during jet speed changing and obtain similar indexes in long complex tunnels with varied section or curved layout.
Zhang: Highway tunnel jet fan installation numerical simulation and fan parameter optimization(Master’s thesis), Chongqing, Chongqing Jiaotong university, 2009.

Development and challenges of groundwater heat pump in China Qing Gao1, 2, a, Xuezhi Zhou2, b, Xiaowen Zhao2, c, Chunqiang Ma2, d and Yuying Yan3, e 1State Key Laboratory of Automotive Simulation and Control, Jilin University, Jilin Changchun, 130025, China 2Department of Thermal Energy Engineering, Jilin University, Jilin Changchun, 130025, China 3Faculty of Engineering, University of Nottingham, University Park Nottingham, NG7 2RD, UK agaoqing@jlu.edu.cn, bcff_zxz@163.com, czxw@jiu.edu.cn, dmacq@jlu.edu.cn, eyuying.yan@nottingham.ac.uk Keywords: Groundwater heat pump, thermal breakthrough, development and challenges, task, sustainable development Abstract.
According to the practical engineering and by using CFD software FLUENT, four modes of 4-well locations are implemented as examples, which are named A, B, C, and D, respectively, as shown in Fig.3.
Foundational research work of GWHP system should be increased gradually, especially on theoretical analysis, numerical model building, simulation calculation and professional design.

A study of kinematics, CFD simulation and model experiments was carried out on the prototype [6].
For future prototype, a electromagnetic field simulation of the actuator in ANSYS should be conducted, then the appearance of the robofish will be designed like real fish and optimized, and more experiments will be carry out to study the swimming efficiency and the maneuverability performance, as well as the performance of emerging and submerging.

The coupling numerical analysis of overall flow-temperature field of marine generator was carried out by CFD software Fluent and obtained the results of analysis as follows.
Fig.7 The figure of Air velocity vector Fig.8 The whole pressure-plotting of flow field(Unit : m/s) of flow field(Unit : Pa ) Fig.9 The whole temperature profile of Fig.10 The temperature profile of computation model(Unit : k) generator stator core(Unit: k) Fig.11 The temperature profile of generator Fig.12 The temperature profile of rotor core (Unit: k) flow field (Unit: k) Summary In this paper, a marine generator stator, rotor and internal flow channel flow-temperature coupling were numerical analyzed, compared to traditional generator simulation analysis and calculation, the conclusions are as follows: 1) The traditional most of three-dimensional study was focused on an iron core segment with a flow channel.
Numerical Simulation of Flow Field and Temperature Field inside Marine Generator Rotor[D].

These regions are not related to the spatial discretization for the flow solution with the CFD code.
The dimensions of the external domain with porous medium are: H = L = 0.5 m for all simulations, i.e., the outer area is a geometric constraint of the problem, and H/L = 1.0 is used.
Simulations are performed in a computer with a processor Intel(R) Core(TM) i7-5930K CPU @ 3.50GHz and 16 GB of RAM memory.
Simulations are considered converged when the residuals are lower than R < 10-6.
For the case with CR = 10, to reduce the number of simulations performed, the channel evolved occupying two spaces at a time.