On the influence that the ground electrode diameter has in the propulsion efficiency of an asymmetric capacitor in nitrogen gas

TL;DR

This study investigates how the diameter of the ground electrode affects the propulsion efficiency of an asymmetric capacitor in nitrogen gas, using theoretical calculations to understand the force mechanisms involved.

Contribution

It provides a detailed analysis of the influence of ground electrode diameter on propulsion force using fluid dynamic and electrostatic theories.

Findings

Ground electrode diameter significantly impacts propulsion force.

Theoretical insights into force mechanisms in asymmetric capacitors.

Guidelines for increasing propulsion efficiency.

Abstract

In this work the propulsion force developed in an asymmetric capacitor will be calculated for three different diameters of the ground electrode. The used ion source is a small diameter wire, which generates a positive corona discharge in nitrogen gas directed to the ground electrode. By applying the fluid dynamic and electrostatic theories all hydrodynamic and electrostatic forces that act on the considered geometries will be computed in an attempt to provide a physical insight on the force mechanism that acts on the asymmetrical capacitors, and also to understand how to increase the efficiency of propulsion.