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- Publisher Website: 10.1016/j.ijheatmasstransfer.2015.10.045
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Article: Solid-state thermal diode with shape memory alloys
Title | Solid-state thermal diode with shape memory alloys |
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Authors | |
Keywords | Shape memory alloy Thermal conductivity Thermal diode Experimental analysis Thermal rectification |
Issue Date | 2016 |
Citation | International Journal of Heat and Mass Transfer, 2016, v. 93, p. 605-611 How to Cite? |
Abstract | © 2015 Elsevier Ltd. All rights reserved. Analogous to the electronic diode, a thermal diode transports heat mainly in one preferential direction rather than in the opposite direction. Phase change thermal diodes usually rectify heat transport much more effectively than solid state thermal diodes due to the latent heat phase change effect. However, they are limited by either the gravitational orientation or one dimensional configuration. On the other hand, solid state thermal diodes come in many shapes and sizes, durable, relatively easy to construct, and are simple to operate, but their diodicity (rectification coefficient) is always in the order of η ∼ 1 or lower. Thus, it is difficult to find any potential applications. In order to be practically useful for most engineering systems, a thermal diode should exhibit a diodicity in the order of η ∼ 10 or greater. In this study, a passive solid state thermal diode with shape memory alloy is built and investigated experimentally. The diodicity is recorded at about 90. This promising result could have important applications in the development of future thermal circuits or for thermal management. |
Persistent Identifier | http://hdl.handle.net/10722/255974 |
ISSN | 2023 Impact Factor: 5.0 2023 SCImago Journal Rankings: 1.224 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Tso, C. Y. | - |
dc.contributor.author | Chao, Christopher Y H | - |
dc.date.accessioned | 2018-07-16T06:14:14Z | - |
dc.date.available | 2018-07-16T06:14:14Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | International Journal of Heat and Mass Transfer, 2016, v. 93, p. 605-611 | - |
dc.identifier.issn | 0017-9310 | - |
dc.identifier.uri | http://hdl.handle.net/10722/255974 | - |
dc.description.abstract | © 2015 Elsevier Ltd. All rights reserved. Analogous to the electronic diode, a thermal diode transports heat mainly in one preferential direction rather than in the opposite direction. Phase change thermal diodes usually rectify heat transport much more effectively than solid state thermal diodes due to the latent heat phase change effect. However, they are limited by either the gravitational orientation or one dimensional configuration. On the other hand, solid state thermal diodes come in many shapes and sizes, durable, relatively easy to construct, and are simple to operate, but their diodicity (rectification coefficient) is always in the order of η ∼ 1 or lower. Thus, it is difficult to find any potential applications. In order to be practically useful for most engineering systems, a thermal diode should exhibit a diodicity in the order of η ∼ 10 or greater. In this study, a passive solid state thermal diode with shape memory alloy is built and investigated experimentally. The diodicity is recorded at about 90. This promising result could have important applications in the development of future thermal circuits or for thermal management. | - |
dc.language | eng | - |
dc.relation.ispartof | International Journal of Heat and Mass Transfer | - |
dc.subject | Shape memory alloy | - |
dc.subject | Thermal conductivity | - |
dc.subject | Thermal diode | - |
dc.subject | Experimental analysis | - |
dc.subject | Thermal rectification | - |
dc.title | Solid-state thermal diode with shape memory alloys | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.ijheatmasstransfer.2015.10.045 | - |
dc.identifier.scopus | eid_2-s2.0-84946595404 | - |
dc.identifier.volume | 93 | - |
dc.identifier.spage | 605 | - |
dc.identifier.epage | 611 | - |
dc.identifier.isi | WOS:000367107700054 | - |
dc.identifier.issnl | 0017-9310 | - |