the ratio of the permittivity of a substance to that of free space
Symbol: εr. Also called: dielectric constant
Examples of 'relative permittivity' in a sentence
relative permittivity
Relative permittivity and breakdown strength were investigated.
Yuan Yuan, Ruijin Liao 2014, 'A Novel Nanomodified Cellulose Insulation Paper for Power Transformer', Journal of Nanomaterialshttp://dx.doi.org/10.1155/2014/510864. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In addition, the relative permittivity was found to increase up to 3.25 times.
G. Gedler, M. Antunes, J.I. Velasco, R. Ozisik 2016, 'Enhanced electromagnetic interference shielding effectiveness of polycarbonate/graphenenanocomposites foamed via 1-step supercritical carbon dioxide process', Materials & Designhttp://www.sciencedirect.com/science/article/pii/S0264127515307620. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The relative permittivity and breakdown strength of each sample types were evaluated.
Sameh Ziad Ahmed Dabbak, Hazlee Azil Illias, Bee Chin Ang, Nurul Ain Abdul Latiff,Mohamad Zul Hilmey Makmud 2018, 'Electrical Properties of Polyethylene/Polypropylene Compounds for High-Voltage Insulation',Energieshttp://www.mdpi.com/1996-1073/11/6/1448. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both methods claim to measure relative permittivity and should therefore be comparable.
D. A. Robinson, D. A. Robinson, C. M. K. Gardner, J. Evans, J. D. Cooper, M. G. Hodnett,J. P. Bell 1998, 'The dielectric calibration of capacitance probes for soil hydrology using an oscillationfrequency response model', Hydrology and Earth System Scienceshttp://www.hydrol-earth-syst-sci.net/2/111/1998/hess-2-111-1998.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Different values of conductivity, dielectric losses and relative permittivity are obtained depending on the composition.
Stanislav S. Slavov, Milena Z. Krapchanska, Elena P. Kashchieva, Svetlin B. Parvanov,Yanko B. Dimitriev 2012, 'Dielectric properties of bismuth titanate ceramics containing SiO2 and Nd2O3 as additives',Processing and Application of Ceramicshttp://www.tf.uns.ac.rs/publikacije/PAC/pdf/PAC%2017%2001.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The relative permittivity can be calculated from experimental frequency, inductance and parasitic capacitance measurements.
Qiulin Tan, Hao Kang, Li Qin, Jijun Xiong, Zhaoying Zhou, Wendong Zhang, Tao Luo,Chenyang Xue, Jun Liu 2014, 'Measurement of relative permittivity of LTCC ceramic at different temperatures', AIP Advanceshttp://dx.doi.org/10.1063/1.4867246. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Relative permittivity was calculated by finding frequencies of resonant cavity modes.
Ronal D. Montoya-Montoya, Natalia Gaviria-Gómez 2013, 'Estimation of Relative Permittivity of Printed Circuit Board with Fiber Glass Epoxyas Dielectric for UHF Applications', Tecno Lógicashttp://itmojs.itm.edu.co/index.php/tecnologicas/article/view/501. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The association constant of acid decreases with the increase in relative permittivity of the mixtures.
Zahra Chaaraoui, Ali H. AL-Taiar, Adil A. Othman 2017, 'Comparative conductimetric studies of salicylic acid in methanol–water mixtures at25 °C', Arabian Journal of Chemistryhttp://www.sciencedirect.com/science/article/pii/S1878535213002281. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)