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Computational Fluid Dynamics

Thermal Analysis of Additive Manufacturing

S. Yushanov[1], J. S. Crompton[1], K. C. Koppenhoefer[1]
[1]AltaSim Technologies, LLC., Columbus, OH, USA

This study analyzed the laser powder bed additive manufacturing process. The laser is modeled as a moving ... 扩展阅读

Mean Flow Augmented Acoustics in Rocket Systems

S. Fischbach[1]
[1]NASA Marshall Space Flight Center / Jacobs ESSSA Group, Huntsville, AL, USA

Combustion instability in solid rocket motors and liquid engines has long been a subject of concern. Recent ... 扩展阅读

Evaluation of Novel Wing Design for UAV

P. K. Bahumanyam[1]
[1]University of Alabama in Huntsville, Huntsville, AL, USA

Viable design alternative for the existing and fast growing UAVs which are optimized for unmanned flight is ... 扩展阅读

Direct Modeling of Packed Bed Channeling

R. Schunk[1], J. Knox[1], R. F. Coker[1]
[1]NASA Marshall Space Flight Center, Huntsville, AL, USA

An analysis to quantify the effects of packed bed channeling in the narrow passages of the ISS (International ... 扩展阅读

Baffle Design: Tube-in-Shell Electrical Gas Heaters

K. Lund[1], S. Lord[2]
[1]Kurt Lund Consulting, San Diego, CA, USA
[2]SML Associates, Encinitas, CA, USA

It is frequently necessary to electrically heat gases; a convenient geometry is the familiar tube-in-shell ... 扩展阅读

Influence of Axial Conduction in the Design of a Compact Recuperator for Catalytic Combustor Based Portable Power Generation

A. N. Smith[1], H. Nochetto[2], C. M. Waits[2]
[1]U.S. Naval Academy, Annapolis, MD, USA
[2]U.S. Army Research Lab, Adelphi, MD, USA

Catalytic micro-combustor represents an exciting area of research for portable power generation. Extensive ... 扩展阅读

Influência das Condições Ambientais Sobre a Umidade e Temperatura em Bobinas de Cartão

I. Neitzel[1], R. C. F. do Nascimento[1], C. C. Bueno[1]
[1]Faculdade de Telêmaco Borba - FATEB, Telêmaco Borba, Paraná, Brasil

Neste trabalho é analisado o comportamento dos perfis de temperatura e umidade e sua penetração em bobinas de ... 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

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

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