Combustion Arrester Performance Quantification
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Solution Overview
Problem
Conventional combustion arrester testing is costly and time-consuming due to the need for complex and large-scale system replication to verify performance across various operating conditions, and existing methods provide only binary outcomes, failing to quantify the effectiveness of combustion arresters in stopping combustion fronts effectively.
Innovation Solution
A system and method for quantifying combustion arrester performance by filling an upstream volume with flammable gas, igniting it, and measuring the composition of gas discharged from the arrester, using optical and gas sampling techniques to analyze the chemical and physical properties of the discharged gas, allowing for standardized testing conditions and direct comparison of different arresters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional combustion arrester testing is performed with system replication, then reliable performance verification is achieved, but testing cost and time increase significantly
Solution Approach 1:
The patent creates a simplified test environment that copies only the essential features needed to evaluate combustion arrester performance. Instead of replicating entire complex systems, the invention uses a controlled test chamber with standardized flame sources and measurement apparatus, allowing reliable performance verification without the time and cost of full system replication
Solution Approach 2:
The patent extracts the combustion arrester from its complex operational system and tests it as a standalone component in a simplified environment. By removing unnecessary system elements and focusing only on the arrester's core function of flame suppression, the testing process becomes significantly faster while maintaining reliability through standardized test procedures
2Measurement precision
If complex system replication is used for testing, then accurate performance evaluation is achieved, but device complexity increases
Solution Approach 1:
The patent segments the testing process into distinct, manageable components: a standardized test chamber, controlled flame sources, and specific measurement apparatus. This segmentation allows each component to be optimized independently for its specific function, achieving accurate performance evaluation without requiring a complex integrated system
Solution Approach 2:
The patent applies local quality by creating highly controlled and instrumented zones only where needed for measurement and flame interaction. The test chamber contains precise sensors and standardized components localized to the critical measurement areas, while the rest of the system remains simple and standardized, balancing measurement accuracy with overall system simplicity
3Reliability
If repetitive testing is performed to verify combustion arrester performance, then reliable results are obtained, but testing efficiency decreases
Solution Approach 1:
The patent implements periodic action through standardized test sequences that can be rapidly repeated. The controlled test environment allows for systematic variation of test parameters (flame types, gas compositions, pressure conditions) in a structured manner, enabling efficient comparison of multiple test cases while maintaining reliable results through consistent procedural frameworks
Solution Approach 2:
The patent enables efficient testing by allowing rapid changes in test parameters such as flame velocity, gas composition, and pressure without requiring physical reconfiguration of the test system. The standardized chamber design with controllable boundaries and instrumented zones permits systematic parameter variation to evaluate arrester performance under diverse conditions, improving productivity while maintaining reliability through controlled parameter exploration
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 enables more efficient and streamlined testing by providing quantitative measures of arrester efficacy, reducing the need for repetitive testing and allowing for the prediction of performance in alternate conditions, thus optimizing the design and validation of combustion arresters.
Implementation Method 1
The permeable element permits gas to flow but has small passages that are arranged to cool the burning gas of a combustion front to below the autoignition temperature of the gas
Implementation Method 2
Some combustion arresters also may significantly attenuate the pressure wave or shock wave associated with the combustion front
Implementation Method 3
igniting the flammable gas in the upstream volume (and upstream of the combustion arrester)
Implementation Method 4
measuring a composition of gas discharged from the combustion arrester due to ignition of the flammable gas
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
Systems (10) and methods (200) for quantifying combustion arrester performance are disclosed. Methods include filling (210) an upstream volume (12) and a combustion arrester (20) with a flammable gas (28), igniting (214) the flammable gas in the upstream volume (and upstream of the combustion arrester), measuring (216) a composition of gas (32) discharged from the combustion arrester due to ignition of the flammable gas, and quantifying (220) the performance of the combustion arrester based on the composition of gas measured. The measured gas composition may include types and/or amounts of combustion species within the gas discharged from the combustion arrester.