Energy conversion by multiferroic phase transformation

Yintao Song, Vijay Srivastavay, Kanwal Bhatti, Chris Leighton, Richard D. James

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A thermodynamic model of a new method for the direct conversion of heat to electricity using the martensitic phase transformation from a non-ferromagnetic martensite phase to a strongly ferromagnetic austenite phase upon heating in alloy Ni45Co5Mn40Sn10 is given. The approximated expressions of efficiency and power output as functions of design parameters, material properties and environmental temperatures are derived. For most suitable working conditions, the efficiency and power output reach Curzon-Ahlborn's optimized results. Several related new methods for direct conversion of heat to electricity suggested by the underlying theory are also postulated.

Original languageEnglish (US)
Title of host publication10th Annual International Energy Conversion Engineering Conference, IECEC 2012
StatePublished - Dec 1 2012
Event10th Annual International Energy Conversion Engineering Conference, IECEC 2012 - Atlanta, GA, United States
Duration: Jul 30 2012Aug 1 2012

Other

Other10th Annual International Energy Conversion Engineering Conference, IECEC 2012
CountryUnited States
CityAtlanta, GA
Period7/30/128/1/12

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Energy conversion
Electricity
Phase transitions
Martensite
Austenite
Materials properties
Thermodynamics
Heating
Temperature
Hot Temperature

Cite this

Song, Y., Srivastavay, V., Bhatti, K., Leighton, C., & James, R. D. (2012). Energy conversion by multiferroic phase transformation. In 10th Annual International Energy Conversion Engineering Conference, IECEC 2012

Energy conversion by multiferroic phase transformation. / Song, Yintao; Srivastavay, Vijay; Bhatti, Kanwal; Leighton, Chris; James, Richard D.

10th Annual International Energy Conversion Engineering Conference, IECEC 2012. 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Song, Y, Srivastavay, V, Bhatti, K, Leighton, C & James, RD 2012, Energy conversion by multiferroic phase transformation. in 10th Annual International Energy Conversion Engineering Conference, IECEC 2012. 10th Annual International Energy Conversion Engineering Conference, IECEC 2012, Atlanta, GA, United States, 7/30/12.
Song Y, Srivastavay V, Bhatti K, Leighton C, James RD. Energy conversion by multiferroic phase transformation. In 10th Annual International Energy Conversion Engineering Conference, IECEC 2012. 2012
Song, Yintao ; Srivastavay, Vijay ; Bhatti, Kanwal ; Leighton, Chris ; James, Richard D. / Energy conversion by multiferroic phase transformation. 10th Annual International Energy Conversion Engineering Conference, IECEC 2012. 2012.
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