Search results for "Dielectric loss factor"

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Dielectric Characterization of Fruit Nectars at Low RF Frequencies

2015

Dielectric properties of apple, apricot, peach, and pear nectars were studied in the frequency range from 15 kHz to 30 MHz and the temperature range from 25 to 60 degrees C. Both the relative dielectric constants and the dielectric loss factors decreased by increasing frequency and increased linearly with increasing temperature with values in the order 10(4)-10(2) and 10(5)-10(2), respectively. The power dissipation densities and the power penetration depths were found to increase linearly with temperature. Power dissipation densities remained essentially constant for all the samples while power penetration depths decreased significantly on increasing frequency. The dependence of each of th…

PermittivityMaterials scienceRF heatingSettore CHIM/10 - Chimica Degli AlimentiAnalytical chemistryPhysics::OpticsRelative permittivityDielectricLow frequencyAtmospheric temperature rangeDissipationFruit nectarPermittivityDielectric heatingdielectric constant dielectric loss dielectric spectroscopy fruits apple juice conduction fruit nectar RF heating.Dielectric constantDielectric lossFruit juiceDielectric loss factorLow frequencySettore CHIM/02 - Chimica FisicaFood ScienceInternational Journal of Food Properties
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