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Computational Fluid Dynamics

Multi-Dimensional Simulation of Flows Inside Mono and Polydisperse Packed Beds

R.G. Schunk [1], J. C. Knox [1], K. Son [1, 2], R. F. Coker [1],
[1] NASA Marshall Space Flight Center, Huntsville, AL, USA
[2] Purdue University, West Lafayette, IN, USA

An analysis to quantify the flow inside the narrow channels of an ISS (International Space Station) CDRA ... 扩展阅读

Uncertainty Quantification: What it is and Why it is Important for Multiphysics Simulations

P. Qian [1, 2],
[1] University of Wisconsin - Madison, Madison, WI, USA
[2] SmartUQ, Madison, WI, USA

Uncertainty appears in many aspects of physical simulations including stochastic design parameters, hard-to ... 扩展阅读

Multi-Dimensional Adsorption Model of CO2/H2O Sorbent Bed

C. Gomez [1], R. F. Coker [1], J. Knox [1], G. Schunk [1]
[1] NASA MSFC, Huntsville, AL, USA

The primary interest of the VC (Vacuum Characterization) test is to experimentally characterize the ... 扩展阅读

Modeling of a Multilayered Propellant Extrusion in Concentric Cylinders

S. Durand [1][3], C. Dubois [1], P. Lafleur [1], V. Panchal [2], D. Park [2], P. Paradis [3], D. Lepage [3]
[1] École Polytechnique de Montréal, Montréal, QC, Canada
[2] US Army ARDEC, Picatinny Arsenal, NJ, USA
[3] General Dynamics OTS Canada Valleyfield, Salaberry-de-Valleyfield, QC, Canada

A novel propellant technology requires extruding two formulations with differential burning rates (slow and ... 扩展阅读

Multiphysics Model for Breakup of Charged Liquid Droplets in Electric Fields

S. Chaudhuri [1], W. Du [1],
[1] University of Illinois at Urbana-Champaign, Champaign, IL, USA

Predicting and controlling the formation of droplets from a liquid jet is a critical problem in a variety of ... 扩展阅读

CFD Modeling for the Ventilation System of a Hospital Room

A. Kermani [1],
[1] Veryst Engineering LLC, Needham, MA, USA

Indoor ventilation with good air quality control prevents infection with minimizing the spread of airborne ... 扩展阅读

Multiphase Laminar Flow with More Than Two Phases

W. T. Vetterling [1],
[1] Zink Imaging, Inc., Billerica, MA, USA

Introduction The COMSOL Multiphysics® software and its CFD Module have a physics interface for solving ... 扩展阅读

COMSOL Multiphysics® Software Activities Within the Research Reactors Division of Oak Ridge National Laboratory

J. D. Freels [1], P. K. Jain [1], C. J. Hurt [2], F. G. Curtis [1], M. W. Crowell [1], E. L. Popov [1],
[1] Oak Ridge National Laboratory, Oak Ridge, TN, USA
[2] University of Tennessee, Knoxville, TN, USA

INTRODUCTION Our group at ORNL started using COMSOL Multiphysics® software shortly after version 3.0 was ... 扩展阅读

A 1-D Model of the 4 Bed Molecular Sieve of the Carbon Dioxide Removal Assembly

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

Introduction: Developments intended to improve system efficiency and reliability for water and carbon dioxide ... 扩展阅读

Simulation of Spiral-Tube Heat Exchangers in COMSOL Multiphysics® Software

K. O. Lund [1], S. M. Lord [2],
[1] Kurt Lund Consulting (COMSOL Certified Consultant), Del Mar, CA, USA
[2] SML Associates, Encinitas, CA, USA

A frequently occurring geometry for heat exchangers is that of a long tube wound into a helix or spiral ... 扩展阅读

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