Thermal Insulation for Complex Geometries Using Segmented Panels
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Solution Overview
Problem
Structures with compound curvatures and dimensional transitions pose challenges for thermal insulation due to fabric folding, pinching, and bulkiness, and the complexity and cost of fabricating shaped thermal insulators.
Innovation Solution
A thermal protection apparatus featuring spiral interleave and petal overlap transition structures with flaps and petal interleaves that conform to dimensional transitions, using fasteners for secure attachment, to prevent thermal leaks and accommodate structural changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fabric or material is wrapped around curved structures with dimensional transitions, then thermal insulation is provided, but the fabric is prone to folding and pinching causing wrinkles and bulkiness
Solution Approach 1:
The thermal insulation material is divided into multiple planar panels rather than using a single continuous fabric wrap. These segmented panels can be individually positioned and attached to accommodate dimensional transitions in the structure, preventing folding and pinching while maintaining thermal insulation effectiveness.
2Reliability
If shaped or contoured thermal insulators are used to accommodate dimensional transitions, then better fit and thermal protection is achieved, but fabrication complexity and cost increase
Solution Approach 1:
The insulation system uses multiple simple planar panels instead of one or few complex contoured pieces. Each panel remains geometrically simple for easy fabrication, while collectively they accommodate the complex dimensional transitions of the structure through their arrangement and attachment at transitions.
Solution Approach 2:
The solution moves from trying to create complexity in the shape of individual insulator pieces to creating complexity in the spatial arrangement and attachment methodology. The planar panels are attached at dimensional transitions using methods that accommodate structural changes, effectively solving the fit problem without complicating individual component fabrication.
3Reliability
If thermal insulation material is applied to structures with dimensional transitions, then thermal protection is provided, but the material may lie bulkily proximate to the curved structure
Solution Approach 1:
By segmenting the insulation into planar panels that can be precisely positioned, the material can be attached flush to the structure surface at dimensional transitions rather than accumulating in bulk. The segmentation allows for precise placement that eliminates excess material volume while maintaining insulation performance.
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 solution effectively insulates structures with complex geometries by preventing thermal energy exchange through overlapping flaps and petal interleaves, ensuring a tight fit and resistance to movement, thus enhancing thermal protection while allowing for structural flexibility.
Implementation Method 1
the fabric or other material is wrapped around a curved structure to thermally insulate the structure
Data Source
Figure 1A~1B
Figure 1C
Figure 2
AI summary
A thermal protection apparatus (4) is disclosed. The thermal protection apparatus (4) may comprise a thermally insulative layer positioned proximate to a portion of a structure having a dimensional transition, wherein the dimensional transition is thermally protected.