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ISSN 打印: 1099-2391

ISSN 在线: 2641-7359

ANALYSIS OF LAMINAR FORCED CONVECTION IN ANNULAR DUCTS USING INTEGRAL TRANSFORMS

卷 2, 册 2, 2000, 12 pages
DOI: 10.1615/HybMethEng.v2.i2.70
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摘要

Laminar forced convection in annular ducts is analyzed using the Generalized Integral Transform Technique (GITT) to solve the Navier-Stokes and energy equations in the cylindrical coordinates system. Some cases involving different aspect ratios, given by the relation between internal and external duct diameters, and for Prandtl number Pr = 0.72, are more closely considered. Numerical results are obtained for local temperature profiles, bulk mean temperature, and local Nusselt number. Comparisons with previous results in the literature are performed to validate the present simulation.

对本文的引用
  1. Silva C. A. M., Macêdo E. N., Quaresma J. N. N., Pereira L. M., Cotta R. M., Integral transform solution of the Navier-Stokes equations in full cylindrical regions with streamfunction formulation, International Journal for Numerical Methods in Biomedical Engineering, 26, 11, 2010. Crossref

  2. Paz S. P. A., Macêdo E. N., Quaresma J. N. N., Cotta R. M., Eigenfunction Expansion Solution for Boundary-Layer Equations in Cylindrical Coordinates: Simultaneously Developing Flow in Circular Tubes, Numerical Heat Transfer, Part A: Applications, 52, 12, 2007. Crossref

  3. Pereira L.M., Pérez Guerrero J.S., Brazão N., Cotta R.M., Compressible flow and heat transfer in ultracentrifuges: hybrid analysis via integral tranforms, International Journal of Heat and Mass Transfer, 45, 1, 2002. Crossref

  4. Cotta Renato M., Lisboa Kleber M., Curi Marcos F., Balabani Stavroula, Quaresma João N. N., Perez-Guerrero Jesus S., Macêdo Emanuel N., Amorim Nelson S., A review of hybrid integral transform solutions in fluid flow problems with heat or mass transfer and under Navier–Stokes equations formulation, Numerical Heat Transfer, Part B: Fundamentals, 76, 2, 2019. Crossref

  5. Quaresma João N.N., da Cruz Carlos C.S., Cagney Neil, Cotta Renato M., Balabani Stavroula, Effect of mixed convection on laminar vortex breakdown in a cylindrical enclosure with a rotating bottom plate, International Journal of Thermal Sciences, 155, 2020. Crossref

  6. da Cruz Carlos Célio Souza, Pereira Luiz Mariano, Macêdo Emanuel Negrão, Quaresma João Nazareno Nonato, Cotta Renato Machado, Integral transform solution of swirling laminar flows in cylindrical cavities with rotating end walls, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 43, 8, 2021. Crossref

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