straightening vanes

straightening vanes

[′strāt·ən·iŋ ‚vānz]
(engineering)
Horizontal vanes mounted on the inside of fluid conduits to reduce the swirling or turbulent flow ahead of the orifice or the venturi meters.
References in periodicals archive ?
A powerful fan system moves air past the object; the fan must have straightening vanes to smooth the airflow.
Additionally, content was added for launchers and receivers, strainers, orifice plates, straightening vanes, valve extensions and operators, and various coatings, linings, and weightings.
These special lances are designed to negotiate the internal straightening vanes all the way to the orifice plate (measuring device) at the meter's center.
Tube bundle straightening vanes have been around for a long time.
These options were the choice whether to use straightening vanes or not.
This can be accomplished by using straightening vanes and filters/strainers in the upstream piping.
Also included on the meter run were the temperature and pressure transmitters, a strainer with Dp switch, straightening vanes, an on-line meter lubricator, a load-limiting orifice and a welded double-valve bypass.
Straightening vanes are to be set ahead of five nominal pipe diameters upstream of the meter inlet.
For those meters having internal straightening vanes, swirl direction at the rotor inlet can be different from swift direction at the meter inlet.
Sources of jetting include a partially-open valve, a closed upstream regulator, a partially blocked strainer or filter, or an obstruction at the meter inlet or upstream straightening vanes.