Spherical Water Parameter Sensor for Flow Path Tracking
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Solution Overview
Problem
Current methods for measuring environmental parameters in aquatic and estuarine environments struggle to continuously track changes along a flow path while minimizing interference from wind, waves, and debris, and ensuring accurate hydrological data collection.
Innovation Solution
A spherical device with electronic sensors and adjustable buoyancy, equipped with GPS and communication systems for tracking, allows for continuous measurement of environmental parameters along a flow path, isolating a volume of water for controlled studies, and minimizing interference from surface disturbances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional measurement device is used in aquatic environments, then it can measure environmental parameters, but it gets snagged by submerged debris and trapped in physical features
Solution Approach 1:
The device employs a spherical shape that eliminates corners and edges where debris could catch, allowing the device to move freely with water currents without being snagged by submerged vegetation, branches, or other obstacles in the aquatic environment
2Reliability
If a traditional measurement device is deployed at the water surface, then it can access environmental parameters, but it is heavily influenced by wind and waves
Solution Approach 1:
The spherical shape presents a uniform surface that distributes wind and wave forces evenly across the device, preventing the directional forces that affect flat or angular objects, thereby reducing the influence of surface disturbances on measurements
Solution Approach 2:
The device can operate in both surface and subsurface environments, allowing researchers to choose the depth that minimizes wind and wave influence while still capturing relevant hydrological data along the flow path
3Measurement precision
If a chamber is designed to isolate water for controlled experiments, then it can measure changes in a discrete volume, but it cannot travel freely with the surrounding water
Solution Approach 1:
The spherical chamber design allows it to move freely with water currents while maintaining its isolated volume, enabling the device to track discrete flow paths through rivers and streams while conducting controlled experiments on the enclosed water
4Loss of information
If synoptic measurement methods are used, then a snapshot of environmental parameters is obtained, but continuous changes along the flow path are not captured
Solution Approach 1:
The device combines multiple functions including environmental sensing, GPS tracking, and autonomous operation in a single unit, enabling continuous measurement along flow paths without requiring complex coordinated systems of multiple devices
Solution Approach 2:
The device autonomously navigates with water currents using its spherical buoyant design, automatically tracking flow paths and collecting continuous measurements without requiring external control or complex deployment systems
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
Enables accurate, continuous tracking of environmental changes in three dimensions, reducing the risk of snagging and interference from wind and waves, while allowing for both surface and subsurface travel to study biological, biogeochemical, and ecological processes.
Implementation Method 1
The design may provide a uniform surface for water currents and turbulence to act on, such that the movement of water in three dimensions is translated into equal forces acting on the instrument in three dimensions
Implementation Method 2
an inflatable device attached to the instrument capsule; and a valve within the instrument capsule that is capable of connecting the supply of compressed gas within the instrument capsule with the inflatable device
Data Source
AI summary
A portable device for measuring parameters of water includes: a shield spherical in shape; an instrument capsule maintaining a water-tight seal with the shield, isolating water inside the shield from water outside the shield; electronic sensors extending from the capsule for measuring chemical, physical, hydrological, and/or biological properties of water; a computer control device within the capsule for programming operation and data storage for the electronic sensors; a battery within the instrument capsule for powering the electronic sensors and computer control device; an electronic signal generator to transmit an acoustic or radio signal into water surrounding the instrument capsule; an electronic signal receiver to receive an acoustic signal in water surrounding the instrument capsule; a supply of compressed gas within the instrument capsule; an assembly capable of trapping gas released from the instrument capsule; and a valve capable of connecting the supply of compressed gas within the assembly.