Blog

Spreading inductance in wide cavities1 Iulie 2020 In this article I direct my attention toward the study of inductance. The reason why this measure is important to be studied is the same as previously mentioned with regard to capacitance, which I have in depth investigated in a previous article: almost every interconnect can be characterized up to a certain frequency as a lumped RLCG circuit.

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Parallel plate capacitance approximation and limitations caused by the fringing effect1 Iunie 2020 For today, I directed my attention to studying the parallel plate approximation used to calculate the capacitance between two copper planes separated by a dielectric. This approximation does not take into account the fringe fields at the edges of the copper electrodes, which in some cases can become a large source of error.

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Frequency-Domain characterization of FR-4 dielectric using Djordjevic-Sarkar algorithm1 Mai 2020 However, our focus is directed today on something different, the variation of the dielectric constant of a material with frequency. This matter could at first sound strange and in contradiction with its name of "constant". Moreover, if we think of the dielectric constant as the factor that determines the capacitance of a parallel-plate capacitor we obtain a frequency dependent capacitance...

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Investigation of mounting techniques for SMD capacitors1 Aprilie 2020 Capacitors, they store charge with the price of voltage between two plates separated by a dielectric. The main parameter that describes them is the capacitance and that is all we would like to find inside a capacitor, but how nothing in perfect in life, a small series (or parallel, depends of what model you choose to use) inductance and resistance...

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Improving Fuel Cell Designs for FCEVs Using Simulation30 Septembrie 2020

Ora: 09:00 (Romania) With longer driving range, faster refueling, higher energy density and no emissions, fuel cell technology promises to solve many e-mobility-related challenges. Currently, fuel cell electric vehicles (FCEVs) are on the road, but these vehicles have yet... ...

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Lithium-ion Battery Safety Modeling in Ansys Fluent1 Octombrie 2020

Ora: 17:00 (Romania) With the growth of the electric vehicle market, the demand for smaller and lighter batteries with greater capacity has never been higher. However, a key issue limit in Li-ion battery (LIB) applications is the potential safety.... ...

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