Mesh-Based Field Control for Supercooling Without Ice Nucleation
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Solution Overview
Problem
Conventional supercooling techniques fail to account for the individual characteristics of biological items, leading to inconsistent field application and difficulty in maintaining a supercooled state, especially in objects with varying compositions and thicknesses, and lack real-time monitoring and adjustment capabilities.
Innovation Solution
A feedback system utilizing an array of metamaterial phase elements and sensors to monitor and adjust field parameters based on object characteristics, enabling precise field shaping and real-time adjustments to prevent ice nucleation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional supercooling techniques are used, then the object can be kept at sub-zero temperatures without freezing, but the field application is inconsistent and cannot account for individual characteristics of biological items
Solution Approach 1:
The system divides the field application into multiple spatial zones using an array of independently controllable metamaterial phase elements. Each element can be individually adjusted to create localized field variations that match the specific characteristics of different regions of the biological object, enabling consistent supercooling throughout the object despite variations in composition and geometry.
Solution Approach 2:
The metamaterial phase elements are configured to provide spatially varying field characteristics tailored to the local requirements of the object. By adjusting the phase and amplitude of each element independently, the system creates non-uniform field distributions that adapt to the object's varying density, composition, and geometry, ensuring optimal supercooling conditions in each region.
2Reliability
If electromagnetic fields are applied for supercooling, then the object can be preserved without freezing, but the fields fall off as the inverse squared/cubed of the distance, making certain regions difficult to access
Solution Approach 1:
The system uses an array of discrete metamaterial phase elements distributed throughout the space surrounding the object. This segmentation allows the field to be applied from multiple locations simultaneously, with each element contributing to the overall field distribution. The combined effect of these distributed elements ensures uniform field penetration throughout the object, overcoming the inverse squared/cubed decay limitation.
Solution Approach 2:
The system transitions from a single-point field source to a distributed array of phase elements occupying three-dimensional space. This dimensional expansion allows the field to be applied from multiple directions simultaneously, creating a more uniform field distribution throughout the object and eliminating the shadowing and attenuation problems associated with single-point sources.
3Duration of action of stationary object
If conventional supercooling techniques are used, then the object can be maintained at sub-zero temperatures, but there is no real-time monitoring or feedback to assess the status of the supercooled object
Solution Approach 1:
The system incorporates sensors that continuously monitor the temperature, dielectric properties, and other characteristics of the biological object during supercooling. This feedback information is fed to a controller that adjusts the phase and amplitude of the metamaterial elements in real-time, creating a closed-loop control system that maintains optimal supercooling conditions and detects changes in the object's state.
4Device complexity
If a single field source is used for supercooling, then the device complexity is low, but the field distribution is non-uniform and cannot account for objects with varying thickness and composition
Solution Approach 1:
The system replaces a single field source with an array of multiple metamaterial phase elements that can be independently controlled. This segmentation allows each element to be optimized for its specific location and orientation, creating a uniformly distributed field that adapts to the object's varying thickness and composition while maintaining manageable system complexity through modular design.
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
Ensures efficient and energy-efficient supercooling by tailoring field application to the specific characteristics of the object, maintaining a supercooled state without freezing, and allowing for dynamic adjustments to ensure optimal conditions.
Implementation Method 1
one or more field generators, each configured to generate a field
Implementation Method 2
an array of array phase elements made of metamaterials that allow precise shaping of the field
Implementation Method 3
The fields can include a pulsed/oscillating electric field, pulsed/oscillating magnetic field, or a combination of fields to reorient and induce vibration of water molecules in the object (among other physico-chemical controls), thus suppressing or preventing the formation of ice from the water molecules.
Implementation Method 4
supercooling, while permitting the advantages of both techniques to be present. Currently used supercooling techniques utilize fields, such as magnetic and electromagnetic fields
Implementation Method 5
one or more sensors configured to determine characteristics associated with the object at one or more spatial locations at multiple time points
Data Source
AI summary
A feedback system that identifies characteristics of an object and utilizes the characteristics to initiate and adjust a field applied to the object is provided. Fields can be applied to a particular portion of an object based on characteristics of the object, including location and thickness of the object, through one or more meshes. Sensors are utilized during supercooling to monitor a condition of the object being supercooled. Specifically, characteristics of the object are measured at different points, areas, or volumes on the object and the measurements are used to determine whether supercooling (or another desired result) is being achieved or whether the object is starting to freeze. Based on the measurements, parameters of the field can be adjusted to ensure supercooling of the object without freezing.