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Computational design of accelerated life testing applied to frozen green beans

2004Journal article Open access
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dc.contributor.authorMartins, R. C.
dc.contributor.authorSilva, C. L. M.
dc.date.accessioned2010-11-17T11:51:35Z
dc.date.available2010-11-17T11:51:35Z
dc.date.issued2004
dc.description.abstractThree different accelerated life tests (ALT) were designed by computer simulation to investigate their practical applicability to quantify kinetics of quality loss in frozen stored foods. Heat transfer and quality degradation inside a green bean were simulated, using a spectral finite element method (SFEM), to develop pseudo-experimental data. Temperature fluctuations inside a refrigerator were simulated, by a piecewise linear stochastic differential equation, and integrated into the SFEM program. Thereafter, the simulated data was treated by non-linear regression analysis to estimate the kinetic parameters. The different ALT tests were then compared in terms of precision and accuracy. This study shows that temperature fluctuations, inside a refrigerator, influence the accuracy of the kinetic estimates, and if the temperature spectrum is used to derive kinetic estimates, it is possible to apply accurately ALT methodologies to frozen foods.por
dc.identifier.citationMARTINS, R. C. ; SILVA, C.L.M. - Computational design of accelerated life testing applied to frozen green beans. Journal of Food Engineering. ISSN 0260-8774. Vol. 64, n.º 4 (2004), p. 455-464por
dc.identifier.doi10.1016/j.jfoodeng.2003.11.012
dc.identifier.urihttp://hdl.handle.net/10400.14/3476
dc.language.isoengpor
dc.publisherElsevierpor
dc.subjectAccelerated life testingpor
dc.subjectFrozen stored foodspor
dc.subjectKinetics quantificationpor
dc.subjectSimulationpor
dc.subjectGreen beanspor
dc.titleComputational design of accelerated life testing applied to frozen green beanspor
dc.typejournal article
dspace.entity.typePublication
person.familyNameMartins
person.familyNameSilva
person.givenNameRosa
person.givenNameCristina
person.identifier1473674
person.identifier.ciencia-id051A-5A02-E227
person.identifier.ciencia-id6611-634A-132C
person.identifier.orcid0000-0003-1842-4840
person.identifier.orcid0000-0002-0495-3955
person.identifier.ridA-3568-2013
person.identifier.scopus-author-id56275265400
person.identifier.scopus-author-id7201387397
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication4d866bf9-2d47-4f28-b22e-4894422ac14f
relation.isAuthorOfPublication4e2903de-0679-4cb1-981e-10de14c0c995
relation.isAuthorOfPublication.latestForDiscovery4e2903de-0679-4cb1-981e-10de14c0c995

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