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Title: The Theory And Application Of Optical Flow Meters In The Natural Gas Industry
Author: Ivan Melnyk
Source: 2005 Western Gas Measurement Short Course
Year Published: 2005
Abstract: Optical means have been successfully utilized in variety of process control applications, they demonstrated high accuracy and ability to measure physical parameters which were impossible to measure otherwise such as distributed and remote temperature sensing, gas analysis, etc. Optical control devices are used in harsh industrial environments due to inherent immunity of the optical sensors to electromagnetic field and their ability to operate at long distances. Application of optical means to flow measurement in the natural gas industry offers a number of advantages which might establish a new class of meters in the industry, optical gas flow meters (OFM). This paper describes the theory and operation of the OFM, and it provides first experimental data from testing the OFM which are based on laser-two-focus principle.

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