Injection Simulation
Mostrando 1-12 de 79 artigos, teses e dissertações.
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1. 3D numerical investigation of mixture formation and combustion in a DISI engine at part-load under stratified operation
This work investigates through numerical simulation, the operation of a big bore direct fuel injection spark ignition engine, at part load under stratified operation. It evaluates fuel-air mixture preparation and combustion process with the adoption of detailed chemical kinetics mechanisms for both Isooctane and Ethanol, and applying adaptive mesh refinement
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2020
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2. PROPHYLACTIC OF STRESS FRACTURES OF VERTEBRAE ADJACENT TO TRANSPEDICULAR SCREW FIXATION FOR OSTEOPOROSIS
RESUMO Objetivo: Avaliar a eficácia e o uso da vertebroplastia como medida profilática para prevenir fraturas por estresse das vértebras adjacentes à fixação com parafuso transpedicular com o aumento da osteoporose. Métodos: Foi realizado um estudo cadavérico experimental para avaliar a resistência global de 10 blocos cadavéricos dos segmentos T1
Coluna/Columna. Publicado em: 14/11/2019
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3. Influences of the mesh in the CAE simulation for plastic injection molding
Abstract Although computer-aided engineering (CAE) software has been used for many years in the plastic industry, identifying the most appropriate mesh geometry and density remains a challenge. It can affect the accuracy of the simulation, the time and the costs. The evaluation of the most suitable mesh is not easy because the difficulties to obtain the real
Polímeros. Publicado em: 04/11/2019
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4. Simulation of an Injection Process Using a CAE Tool: Assessment of Operational Conditions and Mold Design on the Process Efficiency
The present work developed an experimental and simulation study to evaluate the influence of some operational conditions and mold design on the efficiency of an injection process used to produce polystyrene parts. The software SolidWorks Plastic was used to simulate the injection process and assess the performance of the mold considering the absence and the
Mat. Res.. Publicado em: 17/01/2019
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5. Analysis and modeling of simulated residual stress of mold injected plastic parts by using robust correlations
ABSTRACT The injection molding process is the most widely used processing technique for polymers. The analysis of residual stresses generated during this process is crucial for the part quality assessment. The present study evaluates the residual stresses in a tensile strength specimen using the simulation software Moldex3D for two polymers, polypropylene an
Matéria (Rio J.). Publicado em: 02/10/2017
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6. Transverse permeability determination and influence in resin flow through an orthotropic medium in the RTM process
ABSTRACT Resin Transfer Molding (RTM) process is commonly used to produce high quality polymeric composites with simple or complex geometries in small to large sizes. In RTM process a preformed reinforcement is positioned inside the mold cavity. This dry reinforcement is actually a fibrous porous media whereby resin will flow. The mold is then closed and res
Matéria (Rio J.). Publicado em: 20/07/2017
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7. Spectral Method for Localization of Multiple Partial Discharges in Dielectric Insulation of Hydro-Generator Coils: Simulation and Experimental Results
Abstract A methodology based on spectral analysis for localization of multiple partial discharges in dielectric region of hydro-generator coils is proposed. This pinpointing of multiple discharges aims to provide means for performing diagnosis of insulating regions of the coil. A numerical model of the structure was developed by using the finite-difference t
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2016-09
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8. Design of conformal cooling for plastic injection moulding by heat transfer simulation
The cooling channels of a mold for plastic injection have to be as close as possible to the part geometry in order to ensure fast and homogeneous cooling. However, conventional methods to manufacture cooling channels (drilling) can only produce linear holes. Selective laser melting (SLM) is an additive manufacturing technique capable to manufacture complex c
Polímeros. Publicado em: 2015-12
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9. Application of Computational fluid dynamic in aluminum refining through pneumatic injection of powders
Magnesium removal process from molten aluminum using particles of silica sand was studied from a hydrodynamic point of view using computational fluid dynamics (CFD). The gas-liquid flow was modeled by a model of the Euler type for both gas and liquid phase transport. Newton´s law of motion was used to describe the subsurface motion of injected solid particl
Mat. Res.. Publicado em: 2014-12
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10. Hydrodynamic Simulation of Gas - Particle Injection Into Molten Lead
A multiphase- hydrodynamic model was solved with the phase field method and the Cahn-Hilliard equation to simulate the behavior of particle injection with nitrogen as conveying gas through a submerged lance into a lead bath in two dimensions. The residence and mixing time were obtained for different operating parameters like gas flow rate, lance depth, and d
Mat. Res.. Publicado em: 01/07/2014
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11. Study of mixing behavior of cstr using CFD
The continuous stirred tank reactor (CSTR) is a widely used equipment in chemical related industries. The flow behaviour of fluid inside the reactor may either change from dispersion to ideal or ideal to dispersion mixing state. It is studied using the computational fluid dynamics (CFD) simulation software ANSYS Fluent. The mixing behaviour is predicted in t
Braz. J. Chem. Eng.. Publicado em: 2014-03
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12. Automação de um sistema de pulverização para aplicação de agroquímicos a taxa variada usando injeção direta / Automation of a direct injection sprayer system for variable rate application of agrochemicals
In this work, the automation of a direct injection sprayer system for variable rate application of agrochemicals is presented. The automation of the sprayer system assembled on a laboratory static bench is based on a programmable controller with real time capabilities. Variable rate sprayer with direct injection systems allow multiple agrochemical applicatio
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/09/2012