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Modeling of Arc Welding Power Source

E. S. Tschoepke[1], J. A. E. Mazzaferro[1], G. Paz[1]
[1]Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil

Introduction: The main objective of the present work consists in modeling an arc welding heat source to allow ... 扩展阅读

Structural Evaluation of a Hydraulic Loader Crane Using COMSOL Multiphysics® Software

A. Braun[1], A. Moura[1]
[1]Feevale University, Novo Hamburgo, RS, Brazil

A hydraulic loader crane (HLC) is a machine used for cargo handling. It's structural project is complex due ... 扩展阅读

Analysis of 3-D Printed Structural Components for Cube Satellites

C. Herzfeld[1]
[1]SPAWAR Systems Center (SSC) ATLANTIC, Charleston, SC, USA

Additive manufacturing uses 3D printing to build physical parts from CAD-based designs. The technology ... 扩展阅读

Numerical Investigation of Micronozzle Performance for Various Nozzle Geometries

P. A. Haris[1], T. Ramesh[1]
[1]National Institute of Technology Tiruchirappalli, Tiruchirappalli, Tamil Nadu, India

Design and manufacture of thrusters for producing very low thrust force in the range of milli or micro ... 扩展阅读

Análise da Aproximação para Baixa Absorção Óptica na Geração de Calor Via Laser em Sólidos Semitransparentes: Aplicação na Técnica de Lente Térmica

L. S. Herculano[1], G. V. B. Lukasievicz[2], O. A. Capeloto[3]
[1]Universidade Tecnológica Federal do Paraná, Santa Helena, PR, Brasil
[2]Universidade Tecnológica Federal do Paraná, Toledo, PR, Brasil
[3]Universidade Estadual de Maringá, Maringá, PR, Brasil

Neste trabalho utilizamos o software COMSOL Multiphysics® para resolver a equação de difusão de calor ... 扩展阅读

Using Computational Fluid-Dynamics (CFD) for the Evaluation of Tomato Puree Pasteurization: Effect of Orientation of Bottle

A. R. Lespinard[1, 2], R. H. Mascheroni[1, 2]
[1]Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), La Plata, Buenos Aires, Argentina
[2]Universidad Nacional de La Plata (UNLP), La Plata, Buenos Aires, Argentina

Determination of the temperature in liquid foods may be derived by measurements or by modeling. However, the ... 扩展阅读

3D Analysis of Cavitation in Control Valve by Pressure Variation

E. Luz[1], D. M. P. Cunha[2], V. H. C. Lemos[2]
[1]Universidade Federal do Pará - UFPA, Belém, PA, Brasil; Centro de Instrução Almirante Braz de Aguiar - CIABA, Belém, PA, Brasil
[2]Centro de Instrução Almirante Braz de Aguiar - CIABA, Belém, PA, Brasil

The phenomenon of cavitation can severely affect the working of valves used to control liquid flow. ... 扩展阅读

Residence Time Distribution for Tubular Reactors

L. R. de Souza Jr.[1], L. Lorenz[1]
[1]Universidade Federal do Paraná, Curitiba, Paraná, Brazil

In the core of Chemical Engineering is the reactor design that includes most of all scientific disciplines. ... 扩展阅读

Simulation of a Piezoelectric Loudspeaker for Hearing Aids and Experimental Validation

G. C. Martins[1], P. R. Nunes[1], J. A. Cordioli[1]
[1]Federal University of Santa Catarina, Florianópolis, SC, Brazil

The use of piezoelectric materials in hearing aid loudspeakers, also called receivers, presents technical and ... 扩展阅读

Numerical Simulation of the Heat, Mass, and Momentum Transfer During the Microwave Drying of Osmodehydrated Porous Material

J. R. Arballo[1, 2], L. A. Campañone[1, 2], R. H. Mascheroni[1, 2]
[1]Universidad Nacional de La Plata (UNLP), La Plata, Buenos Aires, Argentina
[2]Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), La Plata, Buenos Aires, Argentina

Recent studies have been devoted to develop mathematical models to simulate the food processing using the ... 扩展阅读

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