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Related Experiment Video

Updated: Sep 29, 2025

Optimization, Test and Diagnostics of Miniaturized Hall Thrusters

Optimization, Test and Diagnostics of Miniaturized Hall Thrusters

Published on: February 16, 2019

The Traceable Calibration of Thrust Stand by Electrostatic Force.

Bin Wang¹, Yong Yang², Zhan Hu¹

¹Shanghai Engineering Center for Microsatellites; Innovation Academy for Microsatellites, Chinese Academy of Sciences.

Journal of Visualized Experiments : Jove

|March 21, 2022

Summary

This study presents a traceable method for calibrating micro newton thrust stands using electrostatic force. This ensures accurate thrust measurements for critical applications like gravitational wave detection.

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Area of Science:

Aerospace Engineering
Metrology
Experimental Physics

Background:

Accurate thrust measurement is crucial for micro thrusters used in gravitational wave detection, satellite formation, and laser communication.
Thrust stands are essential for measuring micro thrust but require traceable calibration of their mechanical characteristics.
Existing calibration methods may lack traceability to the International System of Units (SI).

Purpose of the Study:

To develop and validate a method for traceable calibration of micro newton thrust stands.
To establish a reliable calibration process ensuring measurement accuracy and traceability for micro thrust devices.
To utilize electrostatic force for precise calibration, linking micro thrust measurements to SI units.

Main Methods:

A parallel plate capacitor was employed to generate a micronewton electrostatic force for calibration.
Theoretical calculations and simulations were used to determine the constant capacitance gradient range.
The electrostatic force was controlled and varied using a standard voltage source.

Main Results:

A method for generating traceable micronewton electrostatic force was successfully implemented.
The calibration device demonstrated a simple principle, instantaneous triggering, and a short traceability path.
The developed method is suitable for the traceability calibration of micro newton thrust stands.

Conclusions:

The parallel plate capacitor method provides a traceable and accurate means to calibrate micro newton thrust stands.
This approach enhances the reliability of thrust measurements in sensitive applications.
The technique offers a practical solution for ensuring metrological traceability in micro propulsion calibration.