Mixed Convection in Fluid Superposed Porous Layers

ISBN-13: 9783319507866 / Angielski / Miękka / 2017 / 72 str.

John M. Dixon; Francis A. Kulacki

Opis

This Brief describes and analyzes flow and heat transport over a liquid-saturated porous bed. The porous bed is saturated by a liquid layer and heating takes place from a section of the bottom. The effect on flow patterns of heating from the bottom is shown by calculation, and when the heating is sufficiently strong, the flow is affected through the porous and upper liquid layers. Measurements of the heat transfer rate from the heated section confirm calculations. General heat transfer laws are developed for varying porous bed depths for applications to process industry needs, environmental sciences, and materials processing. Addressing a topic of considerable interest to the research community, the brief features an up-to-date literature review of mixed convection energy transport in fluid superposed porous layers.

Spis treści

1 Introduction

1.1 General Considerations

1.2 Effective conductivity

1.3 Interfacial boundary conditions

1.4 The one domain formulation

1.5 Mixed convection in saturated porous media

1.6 Natural convection in Saturated porous media

1.7 Conclusion

2 Mathematical Formulation and Numerical Methods

2.1 Solution domain

2.2 Governing equations

2.3 One-domain formulation

2.4 Numerical Methods

3 Numerical Results

3.1 Verification of solution method

3.2 Mixed convection in a fluid superposed porous layer

3.3 Conclusion

4 Measurement of the Heat Transfer Coefficient

4.1 Apparatus

4.2 Procedure and data reduction

4.3 Experimental uncertainty

4.4 Results

4.5 Correlation equations

5 Summary of Findings

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O autorze

Dr. John M. Dixon is an Instructor in the Department of Mechanical Engineering, University of South Florida, Tampa, Florida. 

Dr. Francis A. Kulacki is a Professor in the Department of Mechanical Engineering, University of Minnesota, Minneapolis, Minnesota.