Wave Power Device Using Half-Wavelength Tube Offsets
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Solution Overview
Problem
There is a need for an efficient system to extract power from ocean waves and convert it into clean, renewable electricity, while minimizing environmental damage typically caused by fossil and nuclear fuel extraction.
Innovation Solution
A wave power device comprising two parallel wave collection tubes offset by half a wavelength, a rectifier with check valves to convert alternating airflow into linear flow, and a turbine-generator system to produce electricity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional power generation sources are used to meet increasing industrial power needs, then power supply is improved, but environmental pollution worsens
Solution Approach 1:
The patent converts the natural motion of ocean waves, which is typically a passive environmental phenomenon, into a useful energy source. By capturing wave motion and converting it to electrical energy through the oscillating water column and turbine system, the invention transforms a natural process into a beneficial power generation mechanism that replaces polluting fossil fuels
Solution Approach 2:
The patent employs pneumatic principles by using the oscillating water column to create alternating air pressure changes within the chamber. These pressure variations drive air through a turbine, converting hydraulic wave energy into pneumatic motion and then into electrical energy, thus utilizing fluid dynamics to bridge mechanical wave motion and electrical generation
2Productivity
If wave power devices are developed to extract power from ocean waves, then renewable energy production is improved, but device complexity increases
Solution Approach 1:
The patent divides the wave energy conversion system into distinct functional segments: the oscillating water column chamber that captures wave motion, the air turbine that converts pneumatic pressure to mechanical rotation, and the generator that produces electricity. This segmentation allows each component to be optimized independently and simplifies the overall system architecture compared to direct hydraulic approaches
Solution Approach 2:
The patent inverts the conventional approach by having waves drive water upward into a chamber rather than using floating bodies that move with waves. The oscillating water column is forced by wave action to rise and fall, creating air pressure changes that directly drive the turbine, reversing the typical sequence of energy conversion found in other wave energy devices
3Productivity
If two tubes are placed parallel to the advancing wave front and offset by half wavelength to alternate pressure, then power extraction efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The patent utilizes the periodic nature of wave motion by positioning two tubes offset by half a wavelength, ensuring that when one tube experiences high pressure, the other experiences low pressure. This periodic alternation creates continuous bidirectional airflow through the system, maximizing power extraction efficiency by keeping the turbine in constant rotation without interruption
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 device effectively converts wave energy into continuous, uninterrupted renewable electricity, reducing environmental impact by avoiding fossil and nuclear fuel extraction.
Implementation Method 1
The alternating pressure of the waves is converted into an alternating airflow
Implementation Method 2
a rectifier, wherein the rectifier is a system of check valves that turn the alternating airflow output of the collecting tubes into linear flow
Implementation Method 3
the airflow from the rectifier is fed to the turbine which in turn, rotates the generator to produce electricity
Implementation Method 4
the airflow from the rectifier is fed to the turbine which in turn, rotates the generator to produce electricity
Data Source
AI summary
A wave power device is disclosed for extracting power from water waves and converting it into clean renewable electricity. The wave power device is comprised of three parts. The first part comprises a set of wave collection tubes. The two wave collection tubes are placed in parallel to the advancing wave front and adjacent to each other and offset by one half of a wavelength. The alternating pressure of the waves is converted into an alternating airflow. The second part comprises a rectifier, wherein the rectifier is a system of check valves that turn the alternating airflow output of the collecting tubes into linear flow. The third part comprises a turbine and a generator, wherein the airflow from the rectifier is fed to the turbine which in turn, rotates the generator to produce electricity.