Modelling and simulation of regenerators with complex flow arrangements for active magnetocaloric refrigeration

Tian Lei, Kaspar Kirstein Nielsen, Kurt Engelbrecht

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Compared to a conventional vapor compression refrigera-tion system, a magnetocaloric refrigerator has many advantages, such as potentially high efficiency, low vibration and avoidance of refrigerants that deplete the ozone layer and cause the green-house effect. As a main component of the active magnetic re-generative refrigerator, the regenerator plays an important role in the cooling performance and efficiency of the whole system. However, the regenerator design is constrained by several exter-nal factors, such as the geometry of the magnetic field source and flow resistance.
In this work, novel regenerators with complex flow arrange-ments, providing high performance at lower pressure drop, are investigated. Correspondingly a one dimensional model is pre-sented and comparative studies between novel and conventional regenerators are carried out by simulation. The effect of regen-erator geometries and different flow arrangements on the cool-ing performance, pressure drop and efficiency are investigated. In particular, the effect of so-called dead volume on the perfor-mance of a regenerator is researched.
Original languageEnglish
Title of host publicationProceedings of the ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis (ESDA 2014)
Number of pages8
Volume3
PublisherAmerican Society of Mechanical Engineers
Publication date2014
Article numberESDA2014-20146
ISBN (Print)9780791845851
Publication statusPublished - 2014
EventASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis - Copenhagen, Denmark
Duration: 25 Jun 201427 Jun 2014
Conference number: 12
http://www.asmeconferences.org/ESDA2014/

Conference

ConferenceASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis
Number12
CountryDenmark
CityCopenhagen
Period25/06/201427/06/2014
Internet address

Cite this

Lei, T., Nielsen, K. K., & Engelbrecht, K. (2014). Modelling and simulation of regenerators with complex flow arrangements for active magnetocaloric refrigeration. In Proceedings of the ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis (ESDA 2014) (Vol. 3). [ESDA2014-20146] American Society of Mechanical Engineers.