A versatile low-cost data acquisition system for small rocket engine test bench

Area of Science:

• Aerospace Engineering
• Educational Technology
• Instrumentation

Background:

• Small sounding rockets are crucial for atmospheric data collection and provide hands-on learning experiences in university research.
• Engine testing and validation are critical for the safety and reliability of sounding rocket experiments, requiring dedicated test benches.

Purpose of the Study:

• To design and implement a versatile, low-cost data acquisition (DAQ) system for small rocket engine test benches.
• To provide an affordable yet functional alternative to commercial DAQ systems for educational and research purposes.

Main Methods:

• Developed a modular DAQ system using cost-effective hardware and software.
• Integrated load cell sensors and pressure transducers to measure thrust and pressure.
• Prioritized a design allowing for future expansion and adaptation to various engine configurations.

Main Results:

• The implemented DAQ system successfully measured thrust and pressure with accuracy and reliability.
• Experimental testing showed noise levels comparable to commercial DAQ systems.
• The system demonstrated a balance between affordability and functionality.

Conclusions:

• The developed low-cost DAQ system is suitable for small rocket engine testing in academic settings.
• This system enhances experimental safety and enables effective data acquisition for students and researchers.
• The modular design supports future adaptability and integration into broader research projects.