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Now showing items 21-30 of 34
Effect of the motion pattern on the turbulence generated by an active grid
(Springer, 2021)
In the field of turbulence research, many experiments are performed using turbulence generated under reproducible conditions. In the past mostly static grids having a fixed blockage were adopted, but in order to generate ...
Benchmark study of 2D and 3D VOF simulations of a simplex nozzle using a hybrid RANS-LES approach
(Elsevier, 2022-07-01)
In this study, a simplex nozzle is tested with water for the benchmarking of different flow simulation models. A large scale Plexi-glass transparent nozzle is used to reduce the influence of production tolerances on the ...
Model-based optimization of CMP process parameters for uniform material removal selectivity in cu/barrier planarization
(IOP Publishing, 2022-02-01)
Chemical mechanical planarization is a process of achieving planar surfaces in the semiconductor manufacturing industry. The planarization of a surface is achieved by material removal from the wafer surface. The material ...
3D simulation of droplet impact on static and moving walls
(Begell House Inc., 2022)
In the present study, the contact angle model and the origin of the parasitic current, precisely, the relation of the parasitic current with grid distribution, have been studied to accurately predict droplet impact on ...
Swelling phenomenon in rubber weatherstrip manufacturing under real process conditions imposed in a commercial extrusion line
(Springer, 2023-01-06)
We investigated the swelling under different process and boundary conditions in a commercial weatherstrip extrusion line. For the experimental investigations, we used two extrusion-dies and three compounds. An in-situ laser ...
Mass flow rate control of solenoid-based injectors
(Sage, 2023-09)
This paper presents a mass flow rate control method for solenoid-based injectors in open-loop, i.e. without physical
sensor feedback. Measuring the mass flow rate in injectors is important because the performance of the ...
Investigation of soot formation of ethylene/air jet diffusion flame with rank correlated slw including ethylene and acetylene radiation
(Begell House Inc., 2023)
Radiation is significant, especially in sooting flames. The interaction between radiation and soot considerably affects the combustion regime. Spectral radiation models that account for the radiative effects of sooting ...
A solenoid injector based drop-on-demand system for generating large droplets
(American Institute of Physics Inc., 2023-09-01)
This paper proposes a drop-on-demand (DOD) system that can produce single droplets of highly repeatable size in the order of 2 mm. This system utilizes an on-the-shelf solenoid injector used in automotive applications. The ...
Automated flow rate control of extrusion for 3D concrete printing incorporating rheological parameters
(Elsevier, 2024-04)
The use of inline quality assessment technologies is of great importance in meeting the consistent extrusion requirements of 3D concrete printing (3DCP) applications. This paper presents a system to regulate extrusion speed ...
Validation and comparison of 2D and 3D numerical simulations of flow in simplex nozzles
(Europe, Institute for Liquid Atomization and Spray Systems, ILASS, 2021-08-31)
Numerical simulations of pressure swirl atomizers are computationally expensive due to transient and multiphase flow behavior. In this study, 2D and 3D VOF simulations are performed for a geomerty which has high swirl ...
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