What is the typical flow rate for long-distance natural gas pipelines?
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I would like to ask the teachers: What is the typical flow rate for long-distance natural gas pipelines? Is the selection of flow rate related to operating pressure? Which standard specifies this?
The natural gas flow rate depends on the pipe diameter and pressure conditions. The flow velocity in low-pressure pipelines is generally 5-6 meters per second, while it is around 10-15 meters per second in medium-pressure pipelines; in any case, it is usually below 15 meters per second, and this value is referred to as the economic flow velocity.