Microstructured Surface Tile Arrays for Drag and Wave Absorption
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Solution Overview
Problem
Current surface treatments cannot effectively combine the benefits of aero/hydrodynamic skin friction reduction, super-hydrophobicity, light/sound/radar absorption, and heat dissipation in a single solution for objects, and existing methods lack versatility in application methods such as adhesively backed thin films.
Innovation Solution
Development of multi-functional microstructured three-dimensional surface form solutions using individual scale tiles and scale tile arrays with specific geometric characteristics, including riblet profiles and OG curve transitions, which can be applied as thin films with adhesive backing to provide enhanced functionality and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate surface treatments are applied to achieve different functions (aero/hydrodynamic skin friction reduction, super-hydrophobicity, light/sound/radar absorption, heat dissipation), then each function can be addressed individually, but the overall system complexity and number of application steps increase significantly
Solution Approach 1:
The patent combines multiple surface treatment functions into a single integrated microstructured surface solution. The microstructured surface simultaneously provides aero/hydrodynamic skin friction reduction, super-hydrophobicity, light/sound/radar absorption, and heat dissipation properties, eliminating the need for multiple separate treatment layers and simplifying the overall surface treatment system.
Solution Approach 2:
The microstructured surface design achieves multi-functionality by incorporating geometric features that perform multiple functions concurrently. The same microstructured pattern provides drag reduction, water repellency, wave absorption, and thermal management, making the surface treatment universally applicable across different operational requirements.
2Reliability
If microstructured surface treatments are custom-designed for each specific application, then optimal performance for that application is achieved, but manufacturing cost and development time increase
Solution Approach 1:
The patent segments the microstructured surface into modular tile configurations that can be arranged in arrays. Each tile contains the complete microstructured pattern with riblets and OG curve transitions, allowing the surface to be manufactured as standardized units that can be scaled and configured for different applications without redesigning the entire system.
Solution Approach 2:
The patent maintains performance optimization through parameter adjustments within the standardized tile design. By varying dimensions such as riblet height, spacing, and OG curve geometry within defined ranges, the same basic tile structure can be optimized for different flow conditions and applications while maintaining manufacturability through consistent production processes.
3Adaptability or versatility
If complex microstructured patterns are manufactured directly onto objects, then integrated functionality is achieved, but the manufacturing process becomes more difficult and less versatile
Solution Approach 1:
The patent employs thin film substrates as the base for the microstructured surface tiles. These flexible thin films allow the microstructured patterns to be manufactured separately using standardized processes, then applied to various objects as adhesive-backed films, enabling versatile application to different surfaces without requiring direct manufacturing on each object.
Solution Approach 2:
The patent introduces an adhesive backing layer as an intermediary between the microstructured surface tile and the target object. This adhesive mediator enables easy application and removal of the microstructured surface, providing versatility in application while keeping the manufacturing process separate and standardized for the tile itself.
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 proposed microstructured surface solutions achieve aero/hydrodynamic skin friction reduction, super-hydrophobicity, wave absorption, light absorption, and heat dissipation, improving the dynamic efficiency and functionality of objects, while allowing for versatile application methods.
Implementation Method 1
designed to reduce the effect of aero/hydrodynamic skin friction drag—which occurs just above the surface of an object moving dynamically in a fluid medium
Implementation Method 2
the surfaces of an object can additionally be designed in such a way as to make said object incorporate super-hydrophobic properties—with the incorporation of a microstructured surface treatment, thus allowing the surfaces of the object to repel, or shed fluids (ie water)
Implementation Method 3
specifically light absorption, sound absorption, radar absorption and heat dissipation
Implementation Method 4
specifically light absorption, sound absorption, radar absorption and heat dissipation
Implementation Method 5
specifically light absorption, sound absorption, radar absorption and heat dissipation
Data Source
AI summary
Microstructured surface development three dimensional form solutions that provide multiple functional benefits when applied to an object. Microstructured surface development three dimensional form solutions that provide efficiency gains to an object in dynamic motion in a fluid medium through aerodynamic/hydrodynamic skin friction drag reduction. Microstructured surface development three dimensional form solutions that additionally provide functional benefits to an object in a static, non-moving state as well as a dynamic state—namely super-hydrophobicity, light absorption, sound/radar absorption and heat dissipation. Microstructured surface development three dimensional form solutions that can be molded into the surface of an object. Microstructured surface development three dimensional form solutions that can be added to the surface of an object though a secondary forming operation (ie machining, laser engraving). Microstructured surface development three dimensional form solutions that can be attached to the surface of an object using an adhesive backed thin film that has been molded/cast with unique microstructured surfaces. Microstructured surface development three dimensional form solutions that are composed of unique tile-like individual elements that can be assembled as a unique continuous array on an object.