Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Ramon Papa"'
Autor:
Ramon Papa
Publikováno v:
Biblioteca Digital de Teses e Dissertações do ITAInstituto Tecnológico de AeronáuticaITA.
Este trabalho apresenta uma simulação numérica da propagação de fumaça no interior do compartimento de carga dianteiro de uma aeronave Boeing 707 (B707) utilizando a técnica de CFD. As equações de conservação da Energia, da Massa, da Quant
Publikováno v:
Journal of Fluids Engineering. 145
The objective of this work is to develop and validate a computational fluid dynamics (CFD) model of a supersonic air ejector, a device largely used in aircraft, and to determine how its efficiency behaves when some of its geometric parameters vary, f
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
This paper presents a CFD model for smoke dissipation inside a 707 cargo compartment under fire conditions. The model can provide information on temperature distribution and smoke transport. The mass conservation, momentum, energy, and turbulence mod
Publikováno v:
SAE Technical Paper Series.
Publikováno v:
50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition.
The present study assesses a multi-step procedure to perform quasi-3D ice accretion simulations for a 22.5 min failed ice protection system condition. This procedure is based on a 2D ice accretion code (Lewice 2D LEWINT) to predict the ice growth alo
Publikováno v:
43rd AIAA Aerospace Sciences Meeting and Exhibit.
Based on previous experience of the use of different mesh topologies (hexahedral, tetrahedral and hybrid), the present work provides a study on refinement strategies for impingement limits computation. Although hexahedral meshes are more accurate in
Publikováno v:
Fluids Engineering.
This paper presents a CFD model for fire and smoke generation inside a cargo compartment in case of fire. The model can provide information on smoke transport under various conditions. The flexibility of the model allows the simulation of numerous fi
Autor:
Luis Santos, Antonio Batista de Jesus, Sutikno Wirogo, Ramon Papa, Guilherme Lara Oliveira, Luiz Tobaldini
Publikováno v:
42nd AIAA Aerospace Sciences Meeting and Exhibit.
The present work compares the effects on accuracy of different grid generation choices and practices with respect to collection efficiency calculation on a typical aircraft configuration. It is known that hexahedral mesh es provide more accurate and
Publikováno v:
42nd AIAA Aerospace Sciences Meeting and Exhibit.
The present work deals with technical issues concerning fuselage design. For this purpose, early airplane designs have been used as illustra tions, in order to show more clearly the thoughts of designers, their innovative concepts and pioneering. The
Publikováno v:
21st AIAA Applied Aerodynamics Conference.