Abstract
The idea of research is the detection of gases using the transmitter and receiver system for electromagnetic radiation in the IR region using the optical absorption method. As a result of the interaction of the light with the gas molecules can be detect and measure gas pressure adoption absorption method. It was chosen best absorption band between (1.4-1.6) um at the wavelength 1.5 um to build a sensor for accurate measurement of ammonia gas which is characterized by precision, where he was the measuring pressure range (1-6) bar. The importance of the oil industry has been focusing on this kind of scientific research for the detection of ammonia gas.
Highlights
Ammonia (NH3) is colorless gas composed of nitrogen and hydrogen with a sharp, penetrating dour
Sensitive and continuous monitoring of NH3 is relevant in several applications such as environment monitoring to quantify NH3 emissions from coal waste piles in combustion (Viveiros et al, 2014)
The main optical gas sensor technologies are based on absorption spectroscopy of fundamental bands in the 3-25 μm spectral region, near infrared vibration overtone and combination bands from 1-3 μm (Viveiros et al, 2015)
Summary
Ammonia (NH3) is colorless gas composed of nitrogen and hydrogen with a sharp, penetrating dour. The main optical gas sensor technologies are based on absorption spectroscopy of fundamental bands in the 3-25 μm spectral region, near infrared vibration overtone and combination bands from 1-3 μm (Viveiros et al, 2015). A portable diode-laserbased sensor for NH3 detection, using vibration overtone absorption spectroscopy at 1532 nm (optical path length of 36 m), was described using a fiber-coupled optical element that made a trace gas sensor rugged and easy to align (Huszár et al, 2008).
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