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Systems and methods for passive de-icing

A technology of ice area and ice structure, applied in chemical instruments and methods, deicing devices, transportation and packaging, etc., can solve problems such as inappropriate ice-phobic solutions

Active Publication Date: 2019-02-01
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Airfoils experience even more extreme conditions, making existing icephobic solutions even less suitable

Method used

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  • Systems and methods for passive de-icing
  • Systems and methods for passive de-icing
  • Systems and methods for passive de-icing

Examples

Experimental program
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Embodiment Construction

[0038] Figure 1 to Figure 5 Apparatus 10, passive deicing structure 30, and components thereof are shown. Elements serving a similar, or at least substantially similar, purpose are labeled with consistent reference numerals throughout the figures. In this article may not refer to Figure 1 to Figure 5 Each is discussed in detail in Figure 1 to Figure 5 Like numerals and corresponding elements in each of . Similarly, without Figure 1 to Figure 5 Each of these labels all elements, but for consistency, the reference numerals associated therewith may be used. Without departing from the scope of this disclosure, reference is made to Figure 1 to Figure 5 One or more of the discussed elements, components and / or features may be included in Figure 1 to Figure 5 and / or with any of the Figure 1 to Figure 5 Use any of them together. Generally, elements that may be included are shown in solid lines, while elements that may be optional or replaced are shown in dashed lines. H...

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PUM

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Abstract

Global icephobic performance of a passive deicing structure may be achieved by including one or more ice nucleating zones (32) that are configured, preselected, and / or arranged to promote selective formation of ice. Ice nucleation zones may be configured, preselected, and / or arranged to form ice that is weakly adherent and, hence, may be removed by sufficient shear force. Ice nucleation zones typically include nucleating particles to promote selective ice formation. Passive deicing structures typically include both ice nucleation zones (32) and ice resisting zones (34), arranged to facilitate ice removal by shear force. Passive deicing structures may be used on apparatuses such as vehicles (e.g., aircraft) to mitigate the effects of ice formation on exposed surfaces.

Description

technical field [0001] The present disclosure relates to systems and methods for passive deicing. Background technique [0002] Ice formation on various equipment exposed to atmospheric conditions can be undesirable. For example, ice formation on aircraft interferes with the aerodynamics of airfoils, eg affecting laminar flow and weight distribution, and is therefore generally considered undesirable. [0003] Ice may form under icing conditions, ie, atmospheric conditions where the air contains droplets of supercooled liquid water. Icing conditions are quantitatively characterized by mean droplet size, moisture content of the air, air temperature, and exposed surface temperature. Supercooled liquid water is water that is below its freezing point but remains liquid. Normally, water will freeze below the freezing point, but atmospheric droplets can remain liquid if, for example, the droplets do not have nucleating impurities. When a supercooled water droplet encounters a c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64D15/00
CPCB64D15/00C09K3/18
Inventor E·D·萨珀A·M·茨威格
Owner THE BOEING CO