Numerical Analysis of Laminar Natural Convection Heat Transfer Around Two Vertical Fins by a Spectral Finite Difference Method

Abstract

A numerical solution is presented for the natural convection heat transfer from two vertical fins using a spectral finite difference method. Virtual distant boundary conditions for two bodies that are compatible with plume behavior and with an overall continuity condition are introduced. A boundary-fitted coordinate system is formed. Streamlines, isotherms, mean Nusselt numbers and drag and lift coefficients are presented for a variety of dimensionless parameters such as a Grashof number and a Prandtl number at a steady-state. Extensive effectiveness of a spectral finite difference method was established.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Apr 14, 2005
Accession Number
ADA447099

Entities

People

  • Haehwan Song
  • Yoshihiro Mochimaru

Organizations

  • Tokyo Institute of Technology

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Boltzmann Equation
  • Boundaries
  • Boundary Layer
  • Coefficients
  • Computational Fluid Dynamics
  • Convection
  • Coordinate Systems
  • Differential Equations
  • Engineering
  • Equations
  • Flow Fields
  • Fluid Dynamics
  • Heat Transfer
  • Isotherms
  • Numerical Analysis
  • Prandtl Number
  • Steady State

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Fluid Dynamics.
  • Fluid Mechanics and Fluid Dynamics.