Heat transfer in a conical porous cylinder with partial heating

International Conference on Advances in Materials and Manufacturing Applications 2016

Khan, T M Yunus^1,2 ; Badruddin, Irfan Anjum^1 ; Quadir, G.A.^3

Dept. of Mechanical Engineering, University of Malaya, Kuala Lumpur

50603, Malaysia^1

Dept. of Mechanical Engineering, BVB College of Engineering and Technology, Hubli, India^2

School of Mechatronic Engineering, University Malaysia Perlis (UniMAP), Pauh Putra, Perlis Arau

02600, Malaysia^3

关键词: Constant temperature;    Coupled partial differential equations;    Heat transfer characteristics;    Isothermal temperature;    Porous cylinders;    Porous geometries;    Transfer phenomenon;    Triangular elements;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/149/1/012211/pdf
DOI  :  10.1088/1757-899X/149/1/012211

来源: IOP

【 摘 要 】

The current work simulates the heat transfer across a porous medium fixed in an annular conical cylinder. The geometry is such that the lower part is conical annulus supporting a regular annular cylinder. The porous medium is fixed between inner and outer radius of conical annular cylinder. The inner radius until conical section is heated with constant temperature Thwhereas the outer radius is cooled to isothermal temperature Tcsuch that Th>Tc. The heat transfer phenomenon in this case can be described by two coupled partial differential equations which are solved using finite element method by using 3-node triangular elements. The heat transfer characteristics in this case are quite different from other geometries being discussed in the literature. It is observed that the fluid flow is stronger in the conical section as compared to the cylindrical part of porous geometry. A very few isothermal lines penetrate into the cylindrical porous region as compared to that of conical section.