Fluid Flow Conditioning Conduit for Accurate Volume Measurement
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Solution Overview
Problem
Conventional fluid flow control gates produce fluid flow characteristics that vary significantly, making it difficult to accurately measure the volume of water passing through them, which is a requirement for agricultural water suppliers due to regulatory mandates.
Innovation Solution
A fluid flow conditioning conduit with structural elements such as vanes and a ramp, which directs fluid flow to the central axis, increasing laminar flow and homogeneity, and includes a fill-flush mechanism to maintain uniform flow characteristics and remove debris, allowing for more efficient measurement of fluid volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional slide gates are used to control fluid flow, then the gate structure is simple and easy to operate, but the fluid flow characteristics vary significantly making volume measurement difficult
Solution Approach 1:
A flow conditioning conduit is introduced as an intermediary component between the conventional slide gate and the flow measurement device. This conduit contains internal structural elements (baffles, vanes, or ribs) that condition the fluid flow by reducing turbulence and promoting uniform velocity distribution, thereby enabling accurate volume measurement without modifying the simple gate structure itself
Solution Approach 2:
The flow conditioning conduit is divided into multiple functional sections with different internal structural elements arranged along the flow path. The first section contains baffles or vanes for turbulence reduction, while the second section may contain ribs for flow straightening, allowing each segment to perform a specific flow conditioning function that collectively achieves uniform flow characteristics for measurement
2Ease of operation
If the gate structure is simplified for ease of operation, then the gate is easy to operate and maintain, but the fluid flow characteristics become highly variable
Solution Approach 1:
The flow conditioning conduit serves as a mediator that takes the variable flow output from the simple conventional gate and transforms it into a stable, uniform flow pattern suitable for measurement, preserving the ease of operation of the gate while stabilizing the flow characteristics
Solution Approach 2:
The internal structural elements of the flow conditioning conduit (baffles, vanes, ribs) change the flow parameters by reducing turbulence intensity and redistributing velocity profiles, transforming the unstable variable flow from the gate into a stable uniform flow that maintains consistency across different operating conditions
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 conditioning conduit ensures uniform fluid flow characteristics over a wide range of operating conditions, enhancing the accuracy of fluid volume measurement and compliance with regulatory requirements by reducing turbulence and debris accumulation.
Implementation Method 1
generating increased laminar flow between the first end and the second end of a fluid flow conditioning conduit; generating increased homogeneity of fluid flow velocity over the cross sectional area of the fluid flow path
Data Source
AI summary
A fluid flow conditioning conduit for a fluid flow control gate which generates a conditioned fluid flow coupled to a flow meter which measures the velocity of the conditioned fluid flow allowing calculation of the volume of the conditioned fluid flow.