EPC School

Natural gas (NG) has become an important part of the energy mix, particularly in electric power generation, where it’s prized as an easily handled, clean-burning liquid. Liquefied Natural Gas (LNG) is a more cost-effective way to bring gas to market across oceans and continents. Construction of many overland pipe-lines is underway, but gas companies are also investing in LNG supply chains, building massive LNG tankers to convey gas from port to port, and terminals to convert gas to its form for easy transport, and back to gas for consumption. In this Paper, we’ll analyze the challenges of Flow measurement at LNG service applications. 

Ultrasonic flow meters can be used on wide range of fluids, i.e. liquids, gases and steam. The “transit –time” or “time-of-flight” meters are basically “time-difference” meters, as they are based on time difference measurement of acoustic waves that are transmitted in opposite directions through the flow. The time difference is directly proportional to flow rate.

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Coriolis - for liquid & gas service, size 1/6"-6", generally for clean service, very limited use for dirty service.