Ellipsoidal Gas Sensor Flow Convergence Design
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Solution Overview
Problem
Current industrial gas leakage detection methods are inefficient due to the inability to detect leaks at any wind speed, lack of 360-degree detection, and impracticality in large industrial settings, requiring extensive manual monitoring and lacking portable, easily installable sensors with wireless communication capabilities.
Innovation Solution
An emission detection device with an aerodynamic design, such as an ellipsoidal shape, that increases flow stream velocity and enhances gas molecule exchange, allowing for 360-degree detection and improved sensitivity and response time, combined with AI capabilities and wireless communication for efficient leak location and size estimation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional gas sensors are used with standard mounting orientations, then they can prevent dust and water ingress, but they lack aerodynamic design which reduces sensitivity and speed of response
Solution Approach 1:
The sensor housing is designed with an aerodynamic shape featuring a front surface, rear surface, and curved lateral surfaces that taper toward the rear. This curved, streamlined design guides gas flow efficiently toward the sensing element while maintaining protection from environmental factors, thereby improving both sensitivity and response speed without sacrificing reliability
2Measurement precision
If manual monitoring with handheld devices is used, then gas concentrations can be monitored near each asset, but it is very time consuming and expensive requiring extensive human resources
Solution Approach 1:
The sensor device is designed to autonomously perform gas detection and transmit data without requiring manual operation. The device includes wireless communication capabilities that enable it to self-report measurements to remote systems, eliminating the need for continuous human intervention and significantly reducing time consumption while maintaining measurement precision
3Measurement precision
If conventional sensors are deployed to monitor all assets, then gas leak detection is possible, but individual assets are only monitored infrequently due to the large number of assets
Solution Approach 1:
The patent replaces manual mechanical monitoring systems with automated electronic sensor devices equipped with wireless communication. This substitution enables continuous or near-continuous monitoring of multiple assets simultaneously, dramatically increasing monitoring frequency from periodic manual checks to constant automated surveillance across the entire asset base
4Speed
If aerodynamic shape is added to gas sensors, then sensitivity and response speed are optimized, but device complexity and installation difficulty increase
Solution Approach 1:
The aerodynamic design uses smooth curved surfaces that taper from front to rear, creating an elegant streamlined form. This geometric approach achieves flow optimization through natural aerodynamic principles rather than complex mechanical adjustments, maintaining manufacturing feasibility and installation simplicity while delivering improved response characteristics
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 detects gas leaks at any wind speed and in all directions, improving sensitivity and response time, enabling timely and focused monitoring of industrial greenhouse gas emissions with reduced resource requirements.
Implementation Method 1
a sensor having a converging shape (e.g., ellipsoidal) that causes a flow stream velocity to increase from the entry towards the center (narrowest region), in line to Bernoulli's principle
Implementation Method 2
The positioning of the sensor in the narrow region of the emission detection device can expose it to higher velocity and higher ppm, which in turn lead to a better exchange of molecules between ambient and the void in front of a gas sensing element inside the sensor
Data Source
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AI summary
A sensor having a converging shape (e.g., ellipsoidal) that causes a flow stream velocity to increase from the entry towards the center (narrowest region), in line to Bernoulli's principle. The sensor includes a trapped volume that can be used to detect gas molecules. The positioning of the sensor in a narrow region can expose it to higher velocity and higher ppm, which in turn lead to a better exchange of molecules between ambient and the void in front of a gas sensing element within the sensor, thereby improving the sensor's ability to detect gas molecules at lower concentrations and with a higher speed of response. The shape of the emission detection device allows for flow convergence regardless of the wind direction in 360°.