1-20 of 28 Search Results for

CFD simulation

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 237-244, May 8–11, 2000,
...Abstract Abstract The industrial flame spraying process has been analyzed by three-dimensional Computational Fluid Dynamics (CFD) simulation. The actual process is employed at the Volvo Aero Corporation for coating of fan and compressor housings. It involves the Metco 6P gun where the fuel...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 379-385, May 24–28, 2021,
... that the images represent a 2-D projection and generates correct intensity values of the plasma jet images. These images are then combined with particle tracks resulting from CFD simulations of the plasma jet to match the particles path with the recorded plasma jet. This new method allows a precise description...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 229-234, May 24–28, 2021,
.... These behaviours are explained using a computational analysis based on a direct numerical simulation of the gas flow and the kinematic interactions with the particles. The CFD computation demonstrates that the gas stream starts to be unstable inside the nozzle with more turbulence as it moves towards the exit...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 531-540, October 7–11, 1996,
..., Albuquerque, New Mexico Abstract Because of recent advances in CFD methods and comput- er power, CFD codes can now be used to simulate the HVOF The fluid and particle dynamics of a High-Velocity Oxygen- spraying process. The first CFD simulation of the HVOF Fuel Thermal Spray torch are analyzed using...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 221-228, May 24–28, 2021,
... the potential for extending cold spray to high density and low ductility particles by relatively minor rig modifications, through an effective synergy between gas dynamics and material science. CFD simulation cold spraying nozzle geometry particle analysis titanium powder Thermal Spray 2021...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 105-113, May 8–11, 2000,
...) to highly conditions and the agreement is found to be good. compressible flow (Mach number -2.0). Introduction Previous Investigations. The first CFD simulation of the HVOF process was conducted by Power et al. [1,2] and Smith et Background. Thermal spray deposition is a process that al. [3]. They modeled...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 189-196, May 24–28, 2021,
... of powder preheating in cold spray: Numerical study, Surf. Coatings Technol. 242 (2014) 226 231. httpsdoi.org/10.1016/j.surfcoat.2013.10.078. [9] P. Liebersbach, A. Foelsche, V.K. Champagne, M. Siopis, A. Nardi, D.P. Schmidt, CFD Simulations of Feeder Tube Pressure Oscillations and Prediction of Clogging...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 36-43, May 24–28, 2021,
... present high-pressure CS deposition of NiCoCrAlY and NiCoCrAlYHfSi and discuss the influence of feedstock properties on the deposited BCs. CFD numerical simulation is employed to tailor the spray conditions based on the feedstock characteristics. Secondly, we present the laser assisted cold spray (LACS...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 214-220, May 24–28, 2021,
... in the previous report [19, 21]. treatment. Figure 2 is shown a CFD modelling of an axial-symmetric supersonic nozzle with rectangular cross-section. The particle The trajectory of particles was simulated. The physical was calculated by charging from the center of the nozzle inlet. The trajectory of particles...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 710-715, March 4–6, 2002,
... knowledge in CFD or transport phenomena is To reduce the expenses due to experiments an effort required. All equations are already implemented and is made to introduce numerical simulation as an off- cannot be changed. line optimisation and control tool. However, most of the models are solving complex sets...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 583-592, September 15–18, 1997,
.... The governing dynamics (CFD) equations were solved by a developed finite difference iii) heat transfer modelling between the plasma jet and elliptic code using a simplified turbulence model. The workpiece by the use of the finite element method (FEM). particles were modelled by a stochastic discrete particle...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 563-568, October 7–11, 1996,
... from the nozzle exit. taken from the literature. This paper presents the first approach developed in order Nomenclature to simulate the behavior of d.c. plasma flows by implementation of the CFD PHOENICS code (e.g., d nozzle diameter (nrai) Parabolic, Hyperbolic Or Elliptic Numerical Integration Code...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 918-925, March 4–6, 2002,
... [5] Sinha, N., York, B. J., Hosangadi, A., and Dash, Method for Multiphase Flow Simulations, (1994) S. M.: First-Principles-Based Computational FED-Vol. 185, ASME, New York. Fluid Dynamic (CFD) Model of Thermal Spray Deposition Process, Proceeding of the 8th Na- [13] Moreau, C., Gougeon, P...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 419-422, May 8–11, 2000,
... with respect to corresponding length scales of pre- Introduction chamber and nozzle. Different Computational Fluid Dynamic (CFD) codes have been used to simulate the particle behavior Cold spraying is a new process which allows to deposit metals, and the effect of various process parameters on the velocity...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 366-375, March 4–6, 2002,
... particles. In contrast, for HVOF- detailed CFD code FLUENT, the gas flow through the Spraying, high quality coatings are achieved even if nozzle is calculated, taken into account the turbulence the powder particles are only melted partially. In Cold of the flow, the friction at the walls and the heat trans...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 549-555, September 15–18, 1997,
...Abstract Abstract Plasma spraying process modeling is useful to understand physical phenomena and to decrease the number of experiments. In this paper, a study of the external plasma jet is proposed: the PHOENICS™ CFD code was used with a 2D axisymmetrical geometry and a standard K-ε turbulence...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 42-46, March 4–6, 2002,
... is controlled to a value, where the measured net power equals the total en- Particle trajectories exert a strong influence on the thalpy of the flow. The flow field at the nozzle is calcu- properties of plasma sprayed powders. On the one lated by the commercial CFD code PHOENICS as a hand, they are responsible...
Proceedings Papers

ITSC 2002, Thermal Spray 2002: Proceedings from the International Thermal Spray Conference, 385-389, March 4–6, 2002,
...- culate the gas flow of cold spray systems. Recent tion and experiments with a Jet Kote TM system. The analyses have used Computational Fluid Dynamics (CFD) methods to simulate complex phenomenon in gas flow in the entrance convergent section of the two dimensions. In the present paper, the internal...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 557-565, September 15–18, 1997,
..., and investigate frequency spectrum of these fluctuations ranges between 2 the effect of these variations on the plasma jet flow fields. The and 20 kHz and the voltage amplitude fluctuations, up to study has been carried out using a 3-D Computational Fluids ± 20% of the average value. Dynamics (CFD) code...
Proceedings Papers

ITSC1997, Thermal Spray 1997: Proceedings from the United Thermal Spray Conference, 445-450, September 15–18, 1997,
... of such a tool will involve coating. Control of the spray process is today maintained modelling of masking tools and their effect on the coating by using set-points and closed-loop control of the properties. This may make it necessary to incorporate CFD secondary process parameters (1 in Figure 4) such as flow...