Fluid-Filled Closed Volumes for Space Debris Deceleration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The presence of space debris in orbits poses a significant danger to spacecraft and satellites, with the potential for catastrophic collisions and the onset of Kessler Syndrome due to escalating debris numbers, necessitating a low-cost and effective system to remove and alter the trajectory of these objects.
Innovation Solution
A deceleration system using a closed volume filled with a liquid or gaseous substance strategically positioned on the trajectory of moving objects, which decelerates them through hydrodynamic forces, potentially causing disintegration and altering their orbits or trajectories to avoid collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional active debris removal methods (lasers, nets, harpoons) are used, then debris can be captured or pushed, but the system complexity and cost increase significantly
Solution Approach 1:
The invention extracts the deceleration function from complex active manipulation systems (lasers, nets, harpoons) and implements it through a simple drag-based mechanism using a deployable net that creates hydrodynamic drag in the upper atmosphere, significantly reducing system complexity while maintaining debris removal effectiveness
Solution Approach 2:
The invention applies hydraulic principles by utilizing atmospheric drag (a fluid dynamic force) to decelerate debris. The deployable net increases the effective cross-sectional area to maximize drag force, creating a passive but effective deceleration mechanism without requiring complex mechanical manipulation systems
2Reliability
If high-velocity interceptors are deployed to catch debris, then collision avoidance is achieved, but the risk of creating additional debris fragments increases
Solution Approach 1:
The invention converts the harmful high-velocity impact that would create debris fragments into a beneficial gradual deceleration process. By deploying a large-area net at lower velocities, the system transforms what would be a destructive high-speed collision into a controlled drag-based deceleration that reduces debris fragmentation risk
Solution Approach 2:
The deployable net acts as a cushioning mechanism that is deployed before the final deorbit phase. This net provides a gradual deceleration buffer, reducing the relative velocity between the interceptor and debris well before any potential capture or separation events, thereby minimizing fragment generation
3Ease of operation
If active propulsion systems are used to maneuver debris, then trajectory control is improved, but the energy consumption and system complexity increase
Solution Approach 1:
The invention employs periodic deployment and retraction of the drag net to control trajectory. By periodically adjusting the net area, the system creates controlled deceleration impulses that accumulate to achieve significant trajectory changes without requiring continuous high-energy propulsion
Solution Approach 2:
The invention substitutes active mechanical propulsion systems with a passive aerodynamic drag-based propulsion system. The deployable net utilizes atmospheric drag forces naturally present in the upper atmosphere to provide thrust-like deceleration, eliminating the need for complex onboard propulsion systems and their associated energy requirements
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively reduces the velocity of space debris, enabling deorbiting or trajectory adjustments to prevent collisions, while minimizing the risk of generating additional debris and ensuring safety in space operations.
Implementation Method 1
When moving through the substance, the object experiences dynamic forces that effectively reduce its velocity
Implementation Method 2
During the process of deceleration, the shock waves in the substance from the moving object may disintegrate the walls or membranes in a manner resembling an explosion
Data Source
AI summary
The system and method for decelerating space objects moving at high velocities are provided. The system comprises at least one closed volume containing a combination of gas, liquid, solid particles, or a mixture thereof. The volume can be transported to the targeted location using a range of means, including a chemical gun, light gas gun, electromagnetic coil gun, superconducting quench gun, a rocket, or a combination thereof. The volume is strategically positioned on the trajectory of the moving object. Upon penetrating the walls of the volume, the object passes through it, experiencing deceleration.