Author: David Charles Walther
Publisher:
ISBN:
Category :
Languages : en
Pages : 466
Book Description
A Study of Opposed Flow Smoldering of Polyurethane Foam
Author: David Charles Walther
Publisher:
ISBN:
Category :
Languages : en
Pages : 466
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 466
Book Description
A Study of Ignition of Forward Smoldering of Polyurethane Foam
Author: Ralph Anton Anthenien
Publisher:
ISBN:
Category :
Languages : en
Pages : 454
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 454
Book Description
An Experimental Investigation of Two-dimensional Smoldering and the Transition to Flaming in Flexible Polyurethane Foam
Author: Stephen Da-Yen Tse
Publisher:
ISBN:
Category :
Languages : en
Pages : 406
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 406
Book Description
Buoyancy Effects on Smoldering of Polyurethane Foam
Author: Jose Luis Torero
Publisher:
ISBN:
Category :
Languages : en
Pages : 476
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 476
Book Description
NASA Technical Memorandum
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 492
Book Description
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 492
Book Description
A Study of Smoldering Combustion in Horizontally Oriented Polyurethane Foam Layer
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
HKUST Call Number: Thesis MECH 2002 WangJ.
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
HKUST Call Number: Thesis MECH 2002 WangJ.
Microgravity Science and Applications Program Tasks, 1990 Revision
Author:
Publisher:
ISBN:
Category : Fluid dynamics (Space environment)
Languages : en
Pages : 280
Book Description
Publisher:
ISBN:
Category : Fluid dynamics (Space environment)
Languages : en
Pages : 280
Book Description
Forward and Opposed Smoldering Combustion
Author: Guillermo Rein
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
A computational study has been carried out to investigate smoldering ignition and propagation in polyurethane foam. The onedimensional, transient, governing equations for smoldering combustion in a porous fuel are solved accounting for improved solid-phase chemical kinetics. A systematic methodology for the determination of solid-phase kinetics suitable for numerical models has been developed and applied to the simulation of smoldering combustion. This methodology consists in the correlation of a mathematical representation of a reaction mechanism with data from previous thermogravimetric experiments. Geneticalgorithm and trail-and-error techniques are used as the optimization procedures. The corresponding kinetic parameters for two different mechanisms of polyurethane foam smoldering kinetics are quantified: a previously proposed 3-step mechanism and a new 5-step mechanism. These kinetic mechanisms are used to model one-dimensionalsmoldering combustion, numerically solving for the solid-phase and gasphase conservation equations in microgravity with a forced flow of oxidizer gas. The results from previously conducted microgravity experiments with flexible polyurethane foam are used for calibration and testing of the model predictive capabilities. Both forward and opposed smoldering configurations are examined. The model describes well both opposed and forward propagation. Specifically, the model predicts the reaction-front thermal and species structure, the onset of smoldering ignition, and the propagation rate. The model results reproduce the most important features of the smolder process and represent a significant step forward in smoldering combustion modeling.
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
A computational study has been carried out to investigate smoldering ignition and propagation in polyurethane foam. The onedimensional, transient, governing equations for smoldering combustion in a porous fuel are solved accounting for improved solid-phase chemical kinetics. A systematic methodology for the determination of solid-phase kinetics suitable for numerical models has been developed and applied to the simulation of smoldering combustion. This methodology consists in the correlation of a mathematical representation of a reaction mechanism with data from previous thermogravimetric experiments. Geneticalgorithm and trail-and-error techniques are used as the optimization procedures. The corresponding kinetic parameters for two different mechanisms of polyurethane foam smoldering kinetics are quantified: a previously proposed 3-step mechanism and a new 5-step mechanism. These kinetic mechanisms are used to model one-dimensionalsmoldering combustion, numerically solving for the solid-phase and gasphase conservation equations in microgravity with a forced flow of oxidizer gas. The results from previously conducted microgravity experiments with flexible polyurethane foam are used for calibration and testing of the model predictive capabilities. Both forward and opposed smoldering configurations are examined. The model describes well both opposed and forward propagation. Specifically, the model predicts the reaction-front thermal and species structure, the onset of smoldering ignition, and the propagation rate. The model results reproduce the most important features of the smolder process and represent a significant step forward in smoldering combustion modeling.
Microgravity Science and Applications Program Tasks
Author: United States. Office of Space Science and Applications
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 280
Book Description
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 280
Book Description
Computational Model of Forward and Opposed Smoldering Combustion with Improved Chemical Kinetics
Author: Guillermo Jose Rein Soto-Yarritu
Publisher:
ISBN:
Category :
Languages : en
Pages : 408
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 408
Book Description