What is the typical flow velocity for vertical gravity flow in pipes?
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Does that expert know what the maximum flow velocity of the fluid within a pipe, due to gravity alone, is generally in vertical pipe calculations?
A fluid refers to either a gas or a liquid; for gases, the suction force resulting from differences in elevation must be calculated. The specific calculations can be found in the \"Chemical Process Design Manual\", in the section on the design of furnace chimneys. As for whether it is a gas or a liquid, refer to the same manual (Pipe Flow Mechanics Calculations and Adiabatic Design), page P3-73
To allow the caustic soda solution to flow by gravity. According to the principles of chemical engineering, the economic flow rate range determined through pipeline calculations is 0.5–1 m/s. I would like to know whether it’s acceptable to use a flow rate higher than 1 m/s.
Sure, it mainly depends on whether your pipeline pressure drop allows it!