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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Amanie, N. Abdelmessih Paul, W. Bartholomae Matthew, L. Casillas Rocky, E. Delyon Joshua, F. Flaherty Bradley, D. Goolsby Moriah, M. Langley Lindsey, A. Livoni Trevor, W. Logan Nicolas, J. Perhach Jonathan, J. Replogle Daniel, R. Swann Garrett, M. Williams |
| Copyright Year | 2016 |
| Abstract | Traditionally, heat pumps and refrigerators utilize the vapor compression cycle to achieve cooling. These vapor compression cycles use hydrochlorofluorocarbons (R134a) as the cycle’s working fluid. This refrigerant contributes to global warming and is expected to be phased out. Consequently, new refrigerants as well as new refrigeration methods need to be developed. The research detailed in this article attempts to implement the magnetocaloric effect of gadolinium alloy in a designed apparatus to lower the temperature of air. Gadolinium alloy has a noticeable magnetocaloric effect within a strong magnetic field (5 T). This research is aimed at producing a noticeable temperature change (2–3 °C) in a relatively smaller magnetic field (1 T) produced with permanent magnets. This work tests the feasibility of magnetic cooling by introducing the design of a magnetic cooling apparatus, using Gadolinium alloy (Gd5Si2Ge2). Small pebbles were used as opposed to a solid plate in order to have an increased surface area to enhance the convection heat transfer process. Permanent magnets were used in the apparatus, to decrease the operating cost. The maximum temperature change encountered in the heat exchanger of the apparatus built was 2.3 °C in a 1 T magnetic field. |
| Sponsorship | Heat Transfer Division |
| File Format | |
| ISBN | 9780791850336 |
| DOI | 10.1115/HT2016-7202 |
| Volume Number | Volume 2: Heat Transfer in Multiphase Systems; Gas Turbine Heat Transfer; Manufacturing and Materials Processing; Heat Transfer in Electronic Equipment; Heat and Mass Transfer in Biotechnology; Heat Transfer Under Extreme Conditions; Computational Heat Transfer; Heat Transfer Visualization Gallery; General Papers on Heat Transfer; Multiphase Flow and Heat Transfer; Transport Phenomena in Manufacturing and Materials Processing |
| Conference Proceedings | ASME 2016 Heat Transfer Summer Conference collocated with the ASME 2016 Fluids Engineering Division Summer Meeting and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels |
| Language | English |
| Publisher Date | 2016-07-10 |
| Publisher Place | Washington, DC, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Cycles Temperature Compression Cooling Alloys Vapors Gadolinium Permanent magnets Heat exchangers Convection Design Climate change Fluids Heat pumps Magnetocaloric effect Magnetic fields Refrigeration Magnetic cooling Refrigerants |
| Content Type | Text |
| Resource Type | Article |
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