Analytical and Numerical investigation of natural convection in a heated cylinder using Homotopy Perturbation Method



Document title: Analytical and Numerical investigation of natural convection in a heated cylinder using Homotopy Perturbation Method
Journal: Acta scientiarum. Technology
Database: PERIÓDICA
System number: 000386669
ISSN: 1806-2563
Authors: 1
1
2
2
1
1
Institutions: 1Babol University of Technology, Department of Mechanical Engineering, Babol. Irán
2Islamic Azad University, College of Science, Buin Zahra. Brasil
Year:
Season: Oct-Dic
Volumen: 36
Number: 4
Pages: 669-677
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental, aplicado
English abstract Homotopy Perturbation Method (HPM) has been applied to solve a nonlinear heat transfer problem. Natural convection around an isothermal horizontal cylinder was studied. Heat transfer coefficient and specific heat coefficient were assumed to be dependent on temperature. Outcomes were compared with solution of heat transfer equation with constant properties. Solutions of HPM were compared with numerical results for different cases, and variation of Nusselt number was obtained and investigated
Portuguese abstract O método de perturbação homotópica (MPH) foi aplicado para resolver um problema de transferência não linear de calor e a convecção natural cerca um cilindro horizontal isotérmico foi analisada. Os coeficientes transferência de calor e calor específico foram considerados dependentes da temperatura. Os resultados foram comparados com a solução da equação de transferência de calor com as propriedades constantes. As soluções de MPH foram comparadas com os resultados numéricos para vários casos. A variação do número de Nusselt foi obtida e investigada
Disciplines: Física y astronomía,
Matemáticas
Keyword: Termodinámica y física estadística,
Matemáticas aplicadas,
Transferencia de calor,
Método de perturbación homotópica,
Convección natural,
Número de Nusselt,
Métodos numéricos
Keyword: Physics and astronomy,
Mathematics,
Thermodynamics and statistical physics,
Applied mathematics,
Heat transfer,
Homotopy perturbation method,
Natural convection,
Nusselt number,
Numerical methods
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