A supercooled large water droplet freezing probe and detector

A technology of icing detectors and large water droplets, which is applied in the field of aviation detection, can solve the problems of measuring the icing state of the surface of the probe, not given, etc., and achieve the effect of improving the effective recognition accuracy, convenient installation, and compact structure

Active Publication Date: 2022-04-12
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
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Problems solved by technology

However, this patent also does not give a specific method on how to measure the icing state on the surface of the probe

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  • A supercooled large water droplet freezing probe and detector
  • A supercooled large water droplet freezing probe and detector
  • A supercooled large water droplet freezing probe and detector

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[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

[0035] In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing th...

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Abstract

The invention discloses a supercooled large water drop icing probe and a detector, which belong to the technical field of aviation detection and include a probe body and a supercooled water phase state sensing film. The windward cone at the rear end and the cone at the tail end; the supercooled water phase state sensing membrane is installed on the outer surface of the probe body; after the supercooled large water droplets hit the windward cone at the front end, a part of it overflows from the windward cone at the front end and is affected by the airflow in the middle The cone area stops and freezes, and the other part directly hits the windward cone at the rear end and freezes; the supercooled water phase state sensing membrane respectively detects the dynamic process of overflow and freezing on the surface of the supercooled water probe body, and obtains the supercooled water phase state The transient distribution information of supercooled water and ice layer detected by sensing membrane can realize the detection of freezing of supercooled large water droplets. The invention aims at efficiently and reliably realizing the detection function of supercooled large water droplet icing during the flying process of the aircraft, and providing accurate icing status data for the icing protection system of the aircraft.

Description

technical field [0001] The invention belongs to the technical field of aerial detection, and more specifically relates to a supercooled large water drop icing detector and a detection method. Background technique [0002] The birth of airplanes has provided convenience for people to travel, but due to the existence of supercooled water droplets, icing has caused a large number of aviation accidents. In these accidents, the freezing of super cooled large droplets (SLD) is particularly dangerous. The conventional icing envelope of an aircraft contains water droplets with a median volume diameter (MVD) in the range of 15 μm to 50 μm, while the MVD of SLD reaches 50 μm or even hundreds of microns, its impact and splash characteristics are more complicated, and because the temperature of water droplets Due to the high height, large volume and the ability to flow through the icing protection zone of the aircraft to form overflow ice, the icing detector based on the conventional i...

Claims

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Application Information

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IPC IPC(8): B64D15/20
CPCB64D15/20
Inventor 桂康葛俊锋叶林
Owner HUAZHONG UNIV OF SCI & TECH
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