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非分散式气体分析仪用于H₂O和CO₂流量分析通过埃迪共变量方法

Igor Fufurin¹, Ivan Karpov¹, Alisa Kosterova¹

¹Physics Department, Bauman Moscow State Technical University, 105005 Moscow, Russia.

Sensors (Basel, Switzerland)

|January 28, 2026

概括

开发了一种新的非分散红外 (NDIR) 气体分析仪原型 (NGAP-1),用于测量水蒸气和二氧化碳. 这种仪器是为使用旋共变量方法的生态站设计的.

科学领域:

环境科学与工程环境科学与工程
大气化学大气化学
仪器仪表和测量仪器的使用

背景情况:

精确测量大气中的气体,如水蒸气和二氧化碳,对于生态和气候研究至关重要.
旋共变率 (EC) 方法需要精确的实时气体度数据.
现有的气体分析仪在开放通道应用或特定测量方案方面可能存在局限性.

研究的目的:

介绍开发了一种新型非分散性红外 (NDIR) 开放式气体分析仪原型,称为NGAP-1.
详细介绍一个新的离散红外 (IR) 辐射生成方案,利用脉冲宽度调制进行气体分析.
为了验证该原型在一个生态和气候站的应用,使用旋转共变率 (EC) 方法.

主要方法:

开发一个非散射红外 (NDIR) 开放式气体分析仪原型 (NGAP-1).
使用脉冲宽度调制实现一个离散的红外辐射生成方案.
在生态和气候站设置中的组件选择,校准和实验场验证.

主要成果:

成功开发了NGAP-1原型,展示了一种新的红外辐射生成方法.
该原型能够测量水蒸气和二氧化碳度的动态.
现场验证证实NGAP-1适合整合到一个用于EC测量的生态和气候站中.

结论:

开发的NGAP-1原型为开放式NDIR气体分析提供了新的技术解决方案.
脉冲宽度调制方案为离散的红外辐射产生提供了一个从根本上新的方法.
在使用EC方法进行生态和气候研究时,NGAP-1对准确的大气气体度监测具有前景.

关键词:

在NDIR光谱法下进行 NDIR光谱.埃迪共变量方法的方法流量测量的流量测量气体分析仪的使用情况

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