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Simulation of the electrical conduction of cyclohexane with TiO2 nanoparticles

机译：TiO 2 纳米粒子对环己烷导电的模拟

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Nanoparticles mixed with transformer oil can potentially increase the breakdown strength of the base liquid. Unfortunately, the basic physical mechanisms leading to such improvement are still not clear. This paper implements two existing theories to model the electrical conduction of cyclohexane with TiO2 nanoparticles in a needle to plane configuration. The generation and drift of carriers in the liquid are simulated by coupling the continuity equations for electrons, positive ions, negative ions, and nanoparticles with Poisson's equation for the electric field. The current-voltage characteristics are simulated and compared with the case of pure cyclohexane. The nanoparticles are modeled as either absorbers of electrons or as source of shallow traps in the fluid, according to the existing theories. The simulations show that the considered theories predict no significant effect of nanoparticles added to cyclohexane on the conduction current from a negative point electrode in steady state or under transient conditions.
机译：纳米粒子与变压器油混合可以潜在地提高基础液的击穿强度。不幸的是，导致这种改善的基本物理机制仍不清楚。本文采用两种现有的理论来模拟针状至平面构型的环己烷与TiO2纳米粒子的电导率。通过将电子，正离子，负离子和纳米粒子的连续性方程与电场的泊松方程耦合，可以模拟液体中载流子的产生和漂移。模拟了电流-电压特性，并与纯环己烷进行了比较。根据现有理论，将纳米粒子建模为电子的吸收体或流体中的浅陷阱源。仿真表明，所考虑的理论预测稳态或瞬态条件下，添加到环己烷中的纳米颗粒对负极负电极的传导电流没有明显影响。

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