Ceramic Latent Heat Storage Structure for Higher Heat Transfer
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Solution Overview
Problem
Existing heat storage devices face challenges in improving thermal storage efficiency.
Innovation Solution
A heat storage device comprising a ceramic part with integrated latent heat storage parts and grooves on its surfaces, along with heating elements, enhances heat transfer and storage efficiency by increasing the contact area with the heat medium and allowing for both heat and electric power utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the contact area with the heat medium is increased to improve thermal storage efficiency, then the heat transfer efficiency improves, but the device complexity increases due to the need for groove structures
Solution Approach 1:
The ceramic part is segmented by dividing its surface into multiple grooves, which subdivides the heat transfer surface into distinct regions. This segmentation increases the effective contact area with the heat medium while maintaining a relatively simple overall structure, as the grooves are integrated into the ceramic body rather than being separate components.
Solution Approach 2:
The ceramic part functions as a porous or structured material that provides increased surface area through its groove architecture. This allows the heat medium to penetrate and contact more surfaces within the ceramic structure, enhancing heat transfer efficiency without requiring additional external components or complex assembly.
2Quantity of substance
If latent heat storage parts are integrated inside the ceramic part, then the energy storage capacity increases, but the manufacturing complexity increases
Solution Approach 1:
The latent heat storage parts are nested within the ceramic part, with the ceramic structure serving as a container or housing for the heat storage material. This nesting arrangement allows the heat storage capacity to be increased by placing multiple latent heat storage parts inside the ceramic body, while the integrated design reduces the need for separate assembly steps and external mounting structures.
Solution Approach 2:
The ceramic part and latent heat storage parts are merged into a single integrated unit, where the ceramic structure simultaneously serves as both the structural component and the housing for the heat storage material. This combining of functions reduces manufacturing complexity by eliminating the need for separate manufacturing and assembly processes for distinct components.
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 design improves thermal storage efficiency by increasing the contact area with the heat medium and enabling efficient conversion of electric power into heat, enhancing energy storage capacity and stability.
Implementation Method 1
heat storage devices using latent heat storages have been proposed
Implementation Method 2
allowing for both heat and electric power utilization
Data Source
Figure 1A~1C
Figure 2
Figure 3~4
AI summary
A heat storage device includes a ceramic part, and a latent heat storage part provided inside the ceramic part. The ceramic part includes a first surface, a second surface opposite to the first surface, a third surface connecting the first surface and the second surface, and a first groove provided in the third surface and connected to the first surface and the second surface.