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Ice test devices

A technology of testing device and testing target, applied in the field of ice backflow testing device and ice adhesion testing device, which can solve the problems of mechanical damage, weight increase, and aerodynamic performance reduction, etc.

Active Publication Date: 2019-04-02
GKN AEROSPACE SERVICES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In both examples, the problems of increased weight, reduced aerodynamic performance and mechanical damage described above can occur

Method used

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Examples

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Embodiment Construction

[0059] [Overview]

[0060] figure 1 Ice accumulation equipment in the form of a table top freezer 10 is shown. In general terms, the table-top freezing device 10 (hereinafter referred to as "freezing device") is shaped as a cylinder 11 . The cylinder 11 is delimited by a side wall 12 (hereinafter referred to as "wall"), which in this embodiment is annular in shape. The wall 12 is formed by three tubular sections in the form of wall sections: a first wall section 17a, a second wall section 17b and a third wall section 17c. The second wall portion 17b is stacked on top of the first wall portion 17a. The third wall portion 17c is stacked on top of the second wall portion 17b. In other embodiments, there may be more or fewer tubular sections. In this embodiment, each wall portion 17a, 17b, 17c is of substantially circular cross-section. Thus, the wall 12 of the cylinder 11 forms a tube of substantially circular cross-section. Wall 12 defines within it a central chamber 18 (...

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Abstract

Ice test devices are disclosed. One such ice test device is an ice adhesion test device. The ice adhesion test device comprises an ice adhesion test target in the form of a well in which, in use, a layer of accreted ice is built up. The target comprises a sample plate at the bottom of the well and an ice-engagement element positioned circumferentially around the sample plate and providing a side wall of the well, and wherein the sample plate is rotatable relative to the ice-engagement element. The ice adhesion test device also comprises torque means for applying a rotational torque between thesample plate and the ice-engagement element. The ice adhesion test device also comprises transducer means for, at least at a point at which the layer of accreted ice separates from the sample plate,measuring the rotational torque and / or the stress on the ice.

Description

technical field [0001] The present invention relates to ice testing devices. In an embodiment, the invention relates to an ice adhesion test device. In other embodiments, the invention relates to an ice backflow test device. Background technique [0002] When ice forms on structures such as aircraft structures, its effects can be problematic. For example, ice formation on an aircraft structure may alter the aerodynamic properties of the structure and increase its weight. If ice that has grown on a structure breaks, this can cause mechanical damage to the structure or surrounding structures. [0003] Therefore, it is desirable to develop effective coatings to prevent or reduce ice formation on such structures. These coatings are known as "ice-phobic" coatings. They can be usefully applied to structures such as the leading edges of aircraft wings, engine blades, or helicopter rotor blades or wind turbine blades. [0004] When developing an icophobic coating, the new coat...

Claims

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Application Information

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IPC IPC(8): G01N3/24G01N19/04G01N33/18
CPCG01N19/04G01N2203/0021G01N2203/0025G01N2203/0037G01N3/24G01N33/1873
Inventor 史蒂文·马克·霍顿苏珊娜·哈尔斯
Owner GKN AEROSPACE SERVICES LTD
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