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Effect of spark timing on performance of a hydrogen gasoline engine Weibo Shia, Xiumin Yub, Ping Sunc State Key Laboratory of Automotive Simulation and Control, Jilin University, Renmin Street 5988, Changchun, Jilin 130022, China acappuccino_shi@sina.com, byuxm@jlu.edu.cn, c2669178718@qq.com Keywords: Spark timing, hydrogen, hydrogen-gasoline engine, excess air ratio, lean burn Abstract.
Vol. 88 (2011), p. 502-507 [4] Yang Z, Si A, Wang F, Guo N, Research into the formation process of hydrogen-air mixture in hydrogen fueled engines based on CFD.

Jacob,2005, CFD analysis and experimental investigations towards optimizing the parameters of Ranque–Hilsch vortex tube, International Journal of Heat and Mass Transfer 48, 1961–1973 [4].
Computational fluid dynamics simulation of length to diameter ratio effects on the energy separation in a vortex tube, Thermal Science, Year 2011, Vol. 15, No. 3, pp. 833-848 [6].

.% Colloid pH value 10 Incident angle Vertically (90°) Incident distance 1mm Nozzle diameter 0.2 mm Intensity of pressure 2 MPa Total processing time 6 hours Based on the above experimental parameters, a computational fluid dynamic (CFD) model for Non-submerged jet has been developed to investigate the hydrodynamics in nanoparticle colloid jet machining with small diameter nozzle.
According to the above simulation results, corresponding experimental parameters, such as dwelling time and scanning path can be developed to control the shapping process and accomplish surface shape correction.

The simulation tracked the evolution of PCM temperature, oil tank temperature, and oil flow.
Charge phase simulation results for different oil flows and different IWH potentials.
Self-discharge simulation results for different rockwool thicknesses.
The simulation in fig. 2 shows that the PCM temperature decreases until it reaches 118°C.
Furthermore, a Computational Fluid Dynamics (CFD) study can represent the behavior of the phase change state of the PCM, allowing for comparison with other configurations utilizing different Heat HTF and PCM indirect Heat Exchangers.

The building uses CFD simulation technology to aid design and simulate wind environment around the building.
By simulation calculations, when southeaster leads and the wind's speed of indoor average standard height is 3m/s, every living height's (1m) wind speed is 0.5~1m/s generally within the area of indoor main human activities.
And building's exterior epidermis is also combined with plant simulation.

Wood, Numerical simulation of idealised three-dimensional downburst wind fields, Eng.
Sarkar, Experimental measurement and numerical simulation of an impinging jet with application to thunderstorm microburst winds, J.
Ou, A revised empirical model and CFD simulations for 3D axisymmetric steady-state flows of downbursts and impinging jets, J.
Wilson, Numerical and analytical simulation of downbursts wind loads, Eng.

Simulation　of　Wind　mputational of Wind Flows over Three-dimensional Buildings.J.Wind Eng.
Application of CFD Tools for Indoor and Outdoor Environment Design.

Paulo combined MPI parallel environment and CFD technology to analyze the diffusion process of radioactive materials near nuclear power plant [3].
The particle-grid hybrid is a new method for the numerical simulation of two-phase flow.

Experiment on Auto-start of the CLSC Evaporative Cooling Wind Generator On the basis of numerical optimization with the aid of the commercial CFD(Computational Fluid Dynamics) software Fluent, a inlet box with 30°  cone angle was introduced to the air-cooling condenser used in the CLSC evaporative cooling wind power generator.
Tian Numerical simulation for circulating systems and experimental comparison of the closed-loop, self-circulating evaporative cooling of hydro-generators [J].

Sies, Numerical Simulation of Confined Vortex Flow Using a Modified k-epsilon Turbulence Model.
CFD Letters, 2009. 1(2): p. 87-94