E3S Web Conf.
Volume 128, 2019XII International Conference on Computational Heat, Mass and Momentum Transfer (ICCHMT 2019)
|Number of page(s)||7|
|Section||Internal Flow and Heat Transfer|
|Published online||08 November 2019|
Numerical study on the thermohydraulic performance of a reciprocating room temperature active magnetic regenerator
Tianjin Key Laboratory of Refrigeration Technology, Tianjin University of Commerce,
Guangrong Rd 409,
Beichen District, Tianjin,
2 LMT/ENS-Cachan/CNRS, Paris-Saclay University, 61 Avenue du Président Wilson, 94235, Cachan, France
* Corresponding author: email@example.com
In this paper, the thermohydraulic performance of a reciprocating room temperature active magnetic regenerator (AMR), with gadolinium (Gd) particles used as a magnetocaloric material (MCM) and water used as a working fluid, was numerically investigated. A two-dimensional transient flow model was developed using COMSOL Multiphysics, in order to determine the water flow distribution in two AMRs of cross and parallel Gd particles distributions for different water inlet velocities of 0.06 m.s-1, 0.08 m.s-1 , 0.1 m.s-1 and 0.12 m.s-1. The Gd particles have a radius of 1.5 mm and a distance from one another of 0.9 mm. Based on the simulations results of the first model, a two-dimensional transient coupled flow and heat transfer model was then developed using COMSOL Multiphysics, in order to characterise the convective heat transfer in the AMR of cross Gd particles distribution for the same water inlet velocities.
© The Authors, published by EDP Sciences, 2019
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