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Dynamic Simulation and Parameter Analysis of Harpoon Capturing Space Debris.

Chunbo Wu1,2, Shuai Yue1,2, Wenhui Shi1

  • 1School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.

Materials (Basel, Switzerland)
|December 23, 2022
PubMed
Summary
This summary is machine-generated.

This study investigates harpoon penetration for space debris removal. The validated model accurately predicts harpoon impact velocity, aiding sustainable space environment development.

Keywords:
dynamic analysisharpoonnumerical simulationspace debris

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Area of Science:

  • Aerospace Engineering
  • Materials Science
  • Orbital Mechanics

Background:

  • The escalating issue of space debris poses a significant threat to the long-term sustainability of the space environment.
  • Effective debris removal strategies are crucial for mitigating collision risks and ensuring the safety of operational satellites.
  • Current debris capture methods require further development and validation.

Purpose of the Study:

  • To analyze the penetration dynamics of harpoons impacting space debris.
  • To develop and validate a predictive model for harpoon capture velocity.
  • To provide insights for advancing active space debris removal technologies.

Main Methods:

  • Design of a harpoon system for space debris capture.
  • Establishment of finite element models for aluminum alloy targets using the Johnson-Cook model and fracture criteria.
  • Application of ballistic limit theory to determine minimum harpoon launch velocity.
  • Experimental validation of the finite element model.

Main Results:

  • The finite element model accurately simulated harpoon penetration.
  • The predicted minimum launch velocity using ballistic limit theory was determined.
  • Experimental validation confirmed the model's accuracy with a 9.1% error in harpoon impact speed.

Conclusions:

  • The developed harpoon penetration model provides reliable predictions for active debris removal.
  • The findings offer valuable guidance for designing and implementing effective space debris capture systems.
  • This research contributes to the sustainable development of the space environment through improved debris removal capabilities.