基于传感技术的辛烷值测量

Measuring octane number based on transducer technology

分析研究表明汽油的辛烷值与组成汽油的各个组份的综合介电常数ε有近似的对应关系。因此 ,利用电容式传感器测量ε的变化可以得出辛烷值。介绍了测量汽油辛烷值的传感器的原理及仪表。实验表明 ,与市售汽油辛烷值相比 ,测量精度可以达到± 0 .5个标号。

Through analyzing and researching, it was indicated that o ctane number has a relationship with the average ε constant of each compo nent in the gasoline.Therefore, the octane number can be obtained by measuring t he dielectric constant with the capacitive sensor.The principle of sensor and me ter were introduced. The experiment shows that the measurement accuracy is abou t ±0.5 number compared with octane number of gasoline on market.