# A three-dimensional computational analysis of ellipsoidal radiator with phase change

Nidal H. Abu-Hamdeh (Center of Research Excellence in Renewable Energy and Power Systems and Department of Mechanical Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia)
Ömer Akbal (Department of Mechanical Engineering, Technology Faculty, Fırat University, Elazig, Turkey)
Hakan F. Öztop (Department of Mechanical Engineering, Technology Faculty, Fırat University, Elazig, Turkey and Mechanical Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia)
Abdullah M. Abusorrah (Center of Research Excellence in Renewable Energy and Power Systems and Department of Electrical and Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia)
Mohannad M. Bayoumi (Department of Architecture, Environmental Design Faculty, King Abdulaziz University, Jeddah, Saudi Arabia)

ISSN: 0961-5539

Article publication date: 3 December 2020

Issue publication date: 24 May 2021

169

## Abstract

### Purpose

The purpose of this paper is to solve the problem of a three-dimensional computational analysis for an elliptic-shaped cavity in a pipe under constant temperature.

### Design/methodology/approach

The three-dimensional computational solution of governing equations was performed by using finite volume method with different temperature difference.

### Findings

The parafin wax was chosen as a phase change material (PCM), and melting fraction, streamlines and isotherms are formed for different time step. It is found that position B give better results than that of position A, and temperature difference effects the duration of melting of PCM.

### Originality/value

The three-dimensional analysis of melting in an ellipsoidal pipe with inner pipe with higher temperature is the main originality of this work.

## Acknowledgements

This project was funded by the Deanship of Scientific Research (DSR) at King Abdulaziz University, Jeddah, under grant no. (RG-27–135-38). The authors, therefore, acknowledge with thanks DSR technical and financial support.

## Citation

Abu-Hamdeh, N.H., Akbal, Ö., Öztop, H.F., M. Abusorrah, A. and Bayoumi, M.M. (2021), "A three-dimensional computational analysis of ellipsoidal radiator with phase change", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 31 No. 6, pp. 2072-2087. https://doi.org/10.1108/HFF-07-2020-0429

## Publisher

:

Emerald Publishing Limited