Thermally Insulated Magnetic Liquid Shock Absorber for Space
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Solution Overview
Problem
Magnetic liquid damping shock absorbers face operational challenges due to large temperature differences in space environments, affecting the normal operation of magnetic liquid shock absorbers orbiting a planet, where temperatures can range from over 100 degrees Celsius to below minus 100 degrees Celsius.
Innovation Solution
A magnetic liquid damping shock absorber with a thermal insulating material layer, such as phase-change material, is integrated into the housing to reduce temperature fluctuations within the sealed cavity, maintaining the stability of the magnetic liquid and ensuring consistent operation across varying temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If magnetic liquid damping shock absorber operates in space environment, then vibration damping function is provided, but temperature difference causes mobility and viscosity changes affecting normal operation
Solution Approach 1:
A thermal insulating material layer is introduced as an intermediary between the magnetic liquid damping shock absorber and the space environment. This layer mediates the thermal interaction, reducing the direct impact of extreme temperature differences on the magnetic liquid while allowing the shock absorber to maintain its vibration damping function throughout the orbital cycle.
Solution Approach 2:
The patent changes the thermal parameters of the system by introducing thermal insulation, which modifies the temperature profile experienced by the magnetic liquid. This parameter change ensures that the magnetic liquid's mobility and viscosity remain within acceptable ranges despite the extreme external temperature variations in space.
2Stability of the object's composition
If thermal insulation is added to reduce temperature fluctuations, then stability of magnetic liquid is improved, but device complexity increases
Solution Approach 1:
The patent employs a thermal insulating material layer in the form of a thin film or coating applied to the housing or internal components. This approach provides effective thermal insulation to stabilize the magnetic liquid while maintaining a relatively simple overall structure and avoiding complex multi-component insulation systems.
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
The thermal insulating material layer effectively reduces temperature-induced mobility and viscosity changes in the magnetic liquid, facilitating stable operation and enhanced reliability of the shock absorber in extreme space conditions.
Implementation Method 1
A magnetic liquid damping shock absorber with a thermal insulating material layer, such as phase-change material, is integrated into the housing to reduce temperature fluctuations within the sealed cavity
Implementation Method 2
A magnetic liquid damping shock absorber with a thermal insulating material layer, such as phase-change material, is integrated into the housing to reduce temperature fluctuations within the sealed cavity
Implementation Method 3
Magnetic liquid damping shock absorbers are a passive inertial shock absorber that utilizes special buoyancy characteristics of a magnetic liquid
Data Source
AI summary
A magnetic liquid damping shock absorber includes a housing, a thermal insulating material layer, a mass block and a magnetic liquid. The housing defines a sealed cavity, the sealed cavity has a first wall face and a second wall face opposite in a first direction and a circumferential wall face located between the first wall face and the second wall face in the first direction. The thermal insulating material layer is provided on an outer surface of the housing, on a wall face of the sealed cavity or in a housing wall of the housing. The mass block is located in the sealed cavity, and the mass block and the housing define a magnetic liquid cavity therebetween. The magnetic liquid is filled in the magnetic liquid cavity.