Abstract
This paper reports on MEMS based Electrospray Thruster for high output velocities, low volume, and high throughput. The best possible dimensions of thruster is fix after doing more experimental analysis i.e. cone half angle, propellant radius, propellant height, and cone height. The maximum output velocity is uptrain, propellant at > 300 µm and propellant radius is changed from 60 to 150 µm. Tip angle with 46°, operating voltage varied between 2.5 and 3.5 kV. The Electrospray Thruster design on COMSOL Multiphysics tool in laminar flow environment. Propellant inside emitter carry ionic liquid, almost EMI-BF4 is used as propellant. Output velocity of Electrospray Thruster is observed varying input voltages 2–3.5 kV, accompanying different parameters like half angle and height of cone, propellant radius and height. Optimized outcome will be produced at cone angle of 46.5° with height 130 μm and con bottom radius 125 μm along with propellant radius 125 μm propellant height of 125 μm. The output velocities of thrusters are order of 106.
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