Development of a volumetric image gas sensor for measuring gas emission concentrations and diffusivity in polymer materials charged with various gases
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Gas sensors play an important role in various areas, including industrial safety, environmental monitoring, gas infrastructure and medical diagnostics. These sensors identify and measure the concentration of specific gases in various environments, ensuring operational safety and efficiency by providing accurate on site measurement. Gas sensors are engineered for high sensitivity, stability, and reliability, while also being required to be cost-effective, responsive, and compact. To respond these needs, the volumetric image gas sensor based on volumetric measurement is developed. The sensor works by quantifying the volume of gas based on the emitted gas. This sensor is capable of determining gas uptake, solubility and diffusivity in gas-charged polymers under high pressure. The sensor delivers quick responses within a second and can detect gas concentrations from 0.01 wt·ppm to 1400 wt·ppm, with changeable sensitivity and measurement ranges. Performance testing verifies the reliability of the sensor, its ability to adapt to different measurement ranges and its stability under temperature and pressure variations. As a result, this sensor system enables real-time detection and analysis of gas transport properties in pure gases like H₂, He, N₂, O₂, and Ar, making it ideal for pure gas sensing applications.
Abstract
Gas sensors play an important role in various areas, including industrial safety, environmental monitoring, gas infrastructure and medical diagnostics. These sensors identify and measure the concentration of specific gases in various environments, ensuring operational safety and efficiency by providing accurate on site measurement. Gas sensors are engineered for high sensitivity, stability, and reliability, while also being required to be cost-effective, responsive, and compact. To respond these needs, the volumetric image gas sensor based on volumetric measurement is developed. The sensor works by quantifying the volume of gas based on the emitted gas. This sensor is capable of determining gas uptake, solubility and diffusivity in gas-charged polymers under high pressure. The sensor delivers quick responses within a second and can detect gas concentrations from 0.01 wt·ppm to 1400 wt·ppm, with changeable sensitivity and measurement ranges. Performance testing verifies the reliability of the sensor, its ability to adapt to different measurement ranges and its stability under temperature and pressure variations. As a result, this sensor system enables real-time detection and analysis of gas transport properties in pure gases like H₂, He, N₂, O₂, and Ar, making it ideal for pure gas sensing applications.