Curved Table Centrifuge for Uniform Hypergravity Geological Modeling
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Solution Overview
Problem
Conventional analogue modeling devices under normal gravity conditions face limitations in simulating geological structure deformation processes due to non-uniform hypergravity environments, small model sizes, and restricted space for data collection, which hinders accurate observation and real-time data collection of geological phenomena like rock flowage and magma diapirism.
Innovation Solution
A device for analogue modeling experiments using a large-scale centrifuge with a curved table and baffle plate system, ensuring a uniform hypergravity field, accommodating larger models, and allowing real-time data collection by maintaining experimental materials on the same equipotential surface, thus preventing fluid material flow and enhancing model resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a drum centrifuge is used for hypergravity modeling, then hypergravity conditions can be achieved, but the radial gravitational acceleration changes significantly due to short radius, failing to provide uniform hypergravity environment
Solution Approach 1:
The patent employs a large-scale centrifuge with a sufficiently large radius to minimize the variation in radial gravitational acceleration across the experimental chamber. This curvature-based approach ensures that the hypergravity field remains relatively uniform throughout the modeling space, resolving the contradiction between achieving hypergravity conditions and maintaining field uniformity.
2Temperature
If a drum centrifuge with small chamber space is used, then hypergravity conditions can be achieved, but the model size becomes relatively small and model resolution ratio is low
Solution Approach 1:
The patent transitions from a conventional drum centrifuge configuration to a large-scale centrifuge with expanded chamber space, utilizing the available volume more effectively. This dimensional expansion allows for larger model sizes while maintaining hypergravity conditions, thereby improving model resolution ratio without sacrificing the hypergravity field.
3Loss of information
If information collection device is placed into the chamber of drum centrifuge, then real-time observation can be achieved, but the device complexity increases and placement becomes difficult
Solution Approach 1:
The patent segments the information collection system into components that can be independently positioned within the large-scale centrifuge chamber. This segmentation allows for easier placement and integration of observation devices while maintaining real-time monitoring capabilities, reducing the overall device complexity compared to a monolithic approach.
4Ease of manufacture
If normal gravity condition is used for structural analogue modeling, then cost is reduced, but the inherent similarity defects cause great limitations in modeling rock flowage and convection processes
Solution Approach 1:
The patent changes the gravitational parameter from normal gravity to hypergravity conditions using a large-scale centrifuge. This parameter change enables accurate modeling of rock flowage, convection, and other geological processes that require enhanced gravitational forces, while the standardized centrifuge system keeps costs manageable through reusable infrastructure.
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 device provides a more accurate and detailed simulation of geological structure deformation under hypergravity conditions, enabling larger model sizes and improved data collection capabilities, thereby overcoming the limitations of conventional devices.
Implementation Method 1
the hypergravity field generated by the centrifuge
Implementation Method 2
gravitational acceleration should also be increased in proportion
Implementation Method 3
maintaining experimental materials on the same equipotential surface, thus preventing fluid material flow
Data Source
AI summary
A device for an analogue modeling experiment of a geological structure under a hypergravity field of a large-scale centrifuge is provided. A bottom plate is placed on a basket of the centrifuge and mounted with screw rod components; screw rods are arranged in parallel with the bottom plate; diverters, screw rod supporting columns, sliding guide rails and a motor are arranged on the bottom plate; output shafts at two ends of the motor are respectively connected to the two diverters; the diverters are connected with one end of the corresponding screw rod; a fixed baffle plate is connected with the screw rods and is embedded with the sliding guide rails; a detachable baffle plate is arranged at a lower part of the fixed baffle plate and has a lower part connected with a swing baffle plate through a hinge; and a curved table is arranged on the bottom plate.