T-Sensor Movable Aperture Divider for Diffusion Interface Control
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Solution Overview
Problem
Fluid T-sensors with fixed apertures and limited sensing locations struggle to capture the full diffusion image of species between two fluids, leading to a loss of information due to resource constraints and sparse sampling methods like cavity enhanced absorption spectroscopy.
Innovation Solution
The development of T-sensors with movable apertures and flow control valves allows for the adjustment of the diffusion interface location relative to fixed sensors, enabling the capture of additional image information without altering the sensor's position within the conduit, utilizing both movable dividers and flow control valves in conjunction with data receivers and controllers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If fixed apertures and limited sensing locations are used in T-sensors, then device complexity is reduced, but information completeness is lost
Solution Approach 1:
The patent applies the dynamics principle by making the aperture divider movable rather than fixed. The divider can be positioned at different locations along the conduit to alter the diffusion interface location relative to the sensor, enabling a single sensor to capture multiple diffusion images at different positions. This dynamic adjustment resolves the contradiction by providing comprehensive information without requiring multiple fixed sensors, thus maintaining low device complexity while improving information completeness.
2Loss of information
If multiple sensing locations are implemented, then information completeness is improved, but device complexity increases
Solution Approach 1:
The patent applies segmentation by separating the sensing function from the aperture structure. Instead of having multiple sensors (which would increase complexity), the system uses a single sensor combined with a movable aperture divider that segments the diffusion process into different observable positions. This allows comprehensive information gathering while maintaining a simple single-sensor configuration.
Solution Approach 2:
The movable aperture divider enables dynamic repositioning to capture diffusion images at multiple virtual sensing locations. This dynamic approach provides the information completeness of multiple sensors while using only one physical sensor, thereby avoiding the complexity increase that would result from implementing multiple fixed sensing locations.
3Loss of information
If the sensor position is altered to capture more diffusion images, then information completeness is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent resolves this contradiction by making the aperture divider movable rather than repositioning the sensor. The movable divider can be precisely controlled to different positions along the conduit, allowing the same sensor to capture multiple diffusion images at different locations. This approach improves information completeness while avoiding the need for high manufacturing precision to position multiple sensors or a movable sensor within the conduit.
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 approach enhances the ability of fluid T-sensors to gather more comprehensive data on diffusion processes, particularly in cavity enhanced absorption spectroscopy, by effectively altering the diffusion interface location, thereby improving the detection of trace analytes and species concentrations without the need for extensive resource allocation.
Implementation Method 1
Over the length of the filter, species in the fluids diffuse from one flow stream into another. Slow diffusing species tend to remain in the original laminar flow stream over a finite period of time, whereas fast diffusing species tend to appear or 'occur' in the other laminar flow stream within the same finite period of time.
Implementation Method 2
H-filters combine two or more fluid flows into a combined, side-by-side, laminar flow stream
Data Source
AI summary
T-sensor devices that include a main conduit that defines a diffusion space, at least a first and second supply conduit for conveying fluids into the main conduit, and at least one sensor having a sensing zone that extends into the diffusion space in a fixed location relative to the main conduit. The first and second supply conduits are separated by divider from which a diffusion interface extends into the diffusion space. In order to capture sensing information without employing moving the physical location of sensors or employing more sensors, devices according to the invention alter a location of a diffusion interface extending into the diffusion space from a diffusion start point on the divider relative to the sensing zone of the at least one sensor, without altering the fixed location of the sensor relative to the main conduit. Methods of sensing properties of fluids and analytes are also disclosed.