Aircraft Aerodynamic Probe Using Electromagnetic Wave Heating
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Solution Overview
Problem
Aircraft aerodynamic measurement probes face challenges in reducing electrical consumption and preventing ice or supercooled water penetration, which typically requires high electrical power for heating.
Innovation Solution
An aerodynamic measurement probe that uses an electromagnetic wave, such as an infrared laser beam, to heat water and ice in the airflow and on the probe's walls, reducing the need for internal heating resistors and minimizing water penetration, thereby lowering overall electrical consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electrical heating is used to prevent ice and water penetration in the tube, then reliability is improved, but electrical power consumption increases
Solution Approach 1:
The patent replaces the conventional electrical heating system with an electromagnetic radiation system. Instead of using resistive heating elements that consume significant electrical power, the invention uses electromagnetic waves (such as microwaves or infrared radiation) to heat the probe surface and prevent ice and water accumulation. This substitution maintains the anti-icing function while significantly reducing electrical power consumption.
Solution Approach 2:
The patent introduces electromagnetic radiation as an intermediary energy transfer mechanism. Rather than directly converting electrical energy to heat through resistors, the system uses electromagnetic waves as a mediator to transfer energy to the probe surface and water/ice particles. This intermediary approach allows for more efficient energy transfer and reduced electrical power consumption while maintaining effective ice prevention.
2Object-affected harmful factors
If conventional electrical heating is used to heat the probe, then ice prevention is improved, but device complexity increases
Solution Approach 1:
The patent extracts the heating function from the complex electrical heating system and implements it through electromagnetic radiation. By removing the need for intricate heating element wiring, thermal management systems, and control circuits associated with conventional electrical heating, the invention simplifies the overall device architecture while maintaining effective ice prevention capabilities.
Solution Approach 2:
The patent replaces the complex mechanical and electrical heating infrastructure with a streamlined electromagnetic radiation system. This substitution eliminates numerous components including heating elements, thermal insulation layers, temperature sensors, and control systems, thereby reducing device complexity while effectively preventing ice accumulation on the probe.
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
This solution reduces electrical power consumption and minimizes ice and water accumulation, allowing for efficient aerodynamic measurements while maintaining performance, even in icing conditions.
Implementation Method 1
means for emitting an electromagnetic wave directed towards a free zone located in the extension of the tube on the side of the open end, the electromagnetic wave making it possible to heat water likely to be located in the free zone
Data Source
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AI summary
The invention relates to an aerodynamic measuring probe (10) for use on an aircraft. The probe (10) comprises a tube (18) designed to substantially face an airflow along the aircraft, the tube (18) being open at one (20) of its ends (20, 21). According to the invention, the probe (10) further comprises means (30) for emitting an electromagnetic wave directed towards a free zone (28) located in the extension of the tube (18) on the side of the open end (20), the electromagnetic wave heating any water that may be located in the free zone (28). The electromagnetic wave is directed towards the free zone (28) through the inside of the tube (18).