Non-Intrusive Fluid Flow Rate Assessment via Tracer Stimulus

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Solution Overview

Problem

Current methods for measuring fluid flow rates in fluid transfer pump systems are expensive, disruptive, and require system shutdowns, making real-time, non-intrusive flow measurement challenging, especially in closed-loop thermal energy systems.

Innovation Solution

The use of Internet of Things (IoT) sensors in a cloud computing environment to detect a tracer stimulus injected into the system, allowing for real-time, non-intrusive estimation of fluid flow rates without disrupting the system, using statistical detection operations and machine learning models.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If inline flow sensors are installed to measure fluid flow rates, then measurement precision is improved, but device complexity and cost increase

Engineering Contradiction:
Improvefluid flow rate measurementVSAvoidsensor installation complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

A tracer substance is introduced as an intermediary to enable indirect measurement of fluid flow rate. The tracer mixes with the fluid and its concentration changes are detected by sensors, providing flow rate information without requiring direct intrusive measurement of the fluid itself.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces mechanical inline flow sensors with a chemical/biological tracing method combined with external detection. Instead of mechanically measuring fluid velocity directly through intrusive sensors, the system uses tracer concentration changes detected by external sensors to infer flow rate.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If inline flow sensors are installed to measure fluid flow rates, then measurement precision is improved, but system disruption increases

Engineering Contradiction:
Improvefluid flow rate measurementVSAvoidsystem shutdown requirement
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The tracer substance serves as a mediator that can be introduced into the flowing fluid without stopping the system. This allows continuous operation while enabling measurement through the tracer's behavior in the moving fluid.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The tracer is pre-introduced into the fluid stream before measurement begins, allowing the system to continue operating. The tracer mixes with the fluid and carries measurement information through the system without requiring any preliminary system shutdown or installation disruption.

Inventive Principle:
Principle #10Preliminary action

3Measurement precision

If expensive inline flow sensors are used, then measurement precision is improved, but loss of substance increases

Engineering Contradiction:
Improvefluid flow rate measurementVSAvoidfluid loss during installation
Core Design Contradiction:
Measurement precisionVSLoss of substance

Solution Approach 1:

The tracer acts as an intermediary that can be introduced in minimal quantities into the closed-loop system. Unlike inline sensor installation that may require draining and cutting pipes, the tracer method adds negligible substance to the system while enabling measurement.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

Instead of directly measuring the fluid's physical properties through intrusive sensors, the system creates a measurable copy or proxy by introducing the tracer. The tracer's concentration changes provide information about fluid flow without requiring direct physical interaction with the main fluid stream.

Inventive Principle:
Principle #26Copying

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 cost-effective, real-time fluid flow rate measurement and energy usage anomaly detection in thermal energy systems, reducing the need for expensive inline sensors and minimizing system disruptions, while providing continuous operation and predictive maintenance capabilities.

Implementation Method 1

A fluid flow rate may be cognitively determined according to a tracer stimulus, injected into the fluid transfer pump system

Methodology Applied
Scientific EffectFluid flow:

Data Source

PatentUS10041844B1Fluid flow rate assessment by a non-intrusive sensor in a fluid transfer pump system
Publication Date: 2018.08.07 INTERNATIONAL BUSINESS MACHINE CORPORATION
  • US10041844B1 patent drawing
  • US10041844B1 patent drawing
  • US10041844B1 patent drawing

AI summary

Embodiments for assessing energy in a fluid transfer pump system in a cloud computing environment by a processor. A fluid flow rate may be cognitively determined according to a tracer stimulus, injected into the fluid transfer pump system, and adequately detected by one or more Internet of Things (IoT) sensors located at one or more selected positions of a piping network in the fluid transfer pump system.