Fully Developed Laminar Free Convection With Variable Thermophysical Properties Between Two Open-Ended Vertical Parallel Plates Heated Asymmetrically With Large Temperature Differences

Author:

Pantokratoras Asterios1

Affiliation:

1. School of Engineering, Democritus University of Thrace, 67100 Xanthi, Greece

Abstract

The steady laminar fully developed flow between two isothermal parallel plates is studied in this paper. The investigation concerns air, engine oil, and water taking into account the variation of all physical properties (μ, k, and ρ) with temperature. The results are obtained with the direct numerical solution of the governing equations and cover large temperature differences not treated until now. The largest differences of volume flow rate and vertical heat flux from the corresponding constant properties values reach 1568% and 2120% in air, 139% and 247% in oil, and 62% and 55% in water.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference14 articles.

1. Ostrach, S. , 1952, “Laminar Natural Convection Flow and Heat Transfer of Fluids With and Without Heat Sources in Channels With Constant Wall Temperature,” Report No. NACA TN 2863.

2. Fully Developed Laminar Free Convection Flow Between Vertical Parallel Plates;Sinha;Chem. Eng. Sci.

3. Fully Developed Laminar Free Convection Between Vertical Plates Heated Asymmetrically;Aung;Int. J. Heat Mass Transfer

4. Fully Developed Laminar Free Convection Flow Between Two Parallel Vertical Walls;Vajravelu;Int. J. Heat Mass Transfer

5. The Effect of Variable Fluid Properties on the Free Convective Flow of Air/Water Confined Between Two Parallel Vertical Walls;Vajravelu;Acta Mech.

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