scholarly journals Three-dimensional numerical simulation of air-flow in inkjet print-zones

2022 ◽  
Vol 93 ◽  
pp. 108911
Author(s):  
S.G. Mallinson ◽  
A.F.V. de A. Aquino ◽  
G.D. McBain ◽  
G.D. Horrocks ◽  
T.J. Barber ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Air Flow ◽  
Three Dimensional

3D Numerical Simulation of the Airflow in a Pneumatic Splicer

2011 ◽  
Vol 130-134 ◽  
pp. 2345-2348
Author(s):  
Xiao Xing ◽  
Guo Ming Ye
Keyword(s):  
Numerical Simulation ◽  
High Speed ◽  
Air Flow ◽  
Three Dimensional ◽  
Flow Characteristics ◽  
Swirling Flows ◽  
Computational Results ◽  
Cfd Model ◽  
3D Numerical Simulation ◽  
Computational Fluid Dynamics Cfd

To investigate the effect of air flow in an pneumatic splicer on splicing performance, a computational fluid dynamics (CFD) model has been developed to simulate the air flow characteristics in an splicing chamber. Three-dimensional numerical simulation is conducted and standard K-ε turbulence model is used. Velocity distributions in the chamber are presented and analyzed. The computational results show that the velocities in the chamber are transonic. The air flows in the chamber are two swirling flows with opposite directions. This work also shows that CFD technique can provide a better understanding of the behavior of the high speed air flow in the air splicing chamber.

scholarly journals Three-dimensional numerical simulation of air-flow in inkjet print-zones

2020 ◽  
Author(s):  
Sam Mallinson ◽  
Andre Aquino ◽  
Geordie McBain ◽  
Glenn Horrocks ◽  
Tracie Barber ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Air Flow ◽  
Three Dimensional

Three Dimensional Numerical Simulation of Air Flow over Domed Roofs

2007 ◽  
Author(s):  
A. K. Faghih ◽  
M. N. Bahadori ◽  
Theodore E. Simos ◽  
George Psihoyios ◽  
Ch. Tsitouras
Keyword(s):  
Numerical Simulation ◽  
Air Flow ◽  
Three Dimensional

Numerical Simulation of PSD System’s Effects on Subway Platform Air

2007 ◽  
Author(s):  
Hui Yang ◽  
Li Jia ◽  
Lixin Yang ◽  
Peng Huang
Keyword(s):  
Numerical Simulation ◽  
Air Quality ◽  
Air Flow ◽  
Three Dimensional ◽  
Advantages And Disadvantages ◽  
Whole Process

In this paper, three dimensional air flow distributions in typical island platform both with and without PSD (platform screen door) system were simulated for the whole process of the train entering, staying in and departing from the platform. Based on the data obtained from the simulation with and without PSD system, the effects of PSD system on platform air environment were analyzed. At last, both the advantages and disadvantages of PSD system were concluded in view of improving passengers’ comfort and air quality.

Numerical Simulation of Buoyancy Affected Turbulent Air Flow in a Room

2006 ◽  
Author(s):  
A. Nouri-Borujerdi ◽  
A. Fathi-Gishnegani
Keyword(s):  
Experimental Data ◽  
Numerical Simulation ◽  
System Performance ◽  
Turbulence Modeling ◽  
Air Flow ◽  
Three Dimensional ◽  
Governing Equations ◽  
Single Room ◽  
Turbulent Air Flow ◽  
Radiator System

In this paper a three-dimensional steady state incompressible turbulent air flow is considered in a large single room. The buoyancy affected turbulent air flow is simulated by solving governing equations numerically. The turbulence modeling includes both k–ε and zero-equation models and their results are compared to the experimental data. The paper reviews several aspects such as displacement of radiator system performance, temperature and flow field distribution and comfort. The results show that the best temperature distribution and comfort obtain when radiator is installed under the window and its height be equal to or greater than that of the window.

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