A system for operating a flow meter in a pipeline includes at least one flow conditioner or mixer installed in a pipeline; at least one volumetric flow meter installed downstream from the at least one flow conditioner or mixer for measuring velocity of a fluid in the pipeline; a pair pressure transmitters for measuring fluid pressure at a first side and a second side of the at least one flow conditioner or mixer; and a flow computer, connected to the pair of pressure transmitters and to the at least one flow meter. The flow computer includes 1) at least one database having experimental Reynolds number data for the at least one flow meter for a plurality of fluids, and 2) a processor having programmable logic for calculating viscosity of a fluid in the pipeline and operating the flow meter when the fluid in the pipeline changes.
G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
G01F 1/36 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
A device to be installed in a pipeline, characterized by at least one static mixer and at least one pre-mixer arranged in a sleeve, wherein said at least one static mixer is characterized by: a body having a plurality of slots through the body, said slots having one or more sides that are angled with respect to an axis passing through a center of the body; a plurality of arms extending from an outer edge of the body towards a center of the body, wherein the plurality of slots comprising at least one concentric ring of slots.
F17D 1/20 - Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
B01F 25/431 - Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
B01F 33/81 - Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
A static mixer for mixing fluid flow in a pipeline includes a body having a plurality of slots through the body, the slots being angled with respect to an axis passing through a center of the body. A plurality of arms extends from an outer edge of the body towards a center of the body, each arm having a flat surface on a first side of the body and angled sides along at least a portion thereof extending to a second side of the body. The plurality of slots includes at least one concentric ring of slots.
A static mixer for mixing fluid flow in a pipeline includes a body having a plurality of slots through the body, the slots being angled with respect to an axis passing through a center of the body. A plurality of arms extends from an outer edge of the body towards a center of the body, each arm having a flat surface on a first side of the body and angled sides along at least a portion thereof extending to a second side of the body. The plurality of slots includes at least one concentric ring of slots.
A measurement ring for a pipeline includes a body having a central hole extending along a longitudinal axis of the body and at least one tap for measuring fluid flow parameters in the pipeline. The at least one tap includes a threaded portion on a circumferential surface of the body extending through the body towards the central hole, and a first channel extending from the threaded portion to the central hole.
G01F 15/18 - Supports or connecting means for meters
F16L 41/04 - Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
F16L 41/06 - Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor making use of attaching means embracing the pipe
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
E21B 47/10 - Locating fluid leaks, intrusions or movements
G01F 1/34 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
8.
Method of fluid flow measurement using nozzle bank
A method for measuring fluid flow within a fluid flow pipe includes partitioning a fluid flow within a pipeline with a nozzle bank, wherein a predetermined number of stepped nozzles is open; measuring the fluid flow in at least one partitioned fluid stream with at least one mass flow device; and calculating a total fluid flow within the pipeline. The nozzle bank includes a plurality of nozzles, each nozzle having a single step at about 1 throat diameter from an inlet plane of the nozzle, wherein the single step is an increase corresponding to about 10% of the throat diameter and has a length of about throat diameter/2.
A measurement ring for a pipeline includes a body having a central hole extending along a longitudinal axis of the body and at least one tap for measuring fluid flow parameters in the pipeline. The at least one tap includes a threaded portion on a circumferential surface of the body extending through the body towards the central hole, and a first channel extending from the threaded portion to the central hole.
F16L 41/04 - Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
F16L 41/06 - Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor making use of attaching means embracing the pipe
G01F 15/18 - Supports or connecting means for meters
E21B 47/10 - Locating fluid leaks, intrusions or movements
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
G01F 1/34 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
A pipe assembly for flow measurement characterized by a fluid flow pipe and two or more flow conditioners each having a stepped configuration and disposed in series within the fluid flow pipe in an orientation substantially perpendicular to an axis of the fluid flow pipe.
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
A flow conditioner includes a single disk having a first side and a second side; an outer ring comprising a plurality of holes, wherein the holes extend from the outer ring to the first side of the disk; at least one inner ring recessed from the outer ring, the at least one inner ring comprising a plurality of holes, wherein the holes extend from the at least one inner ring to the first side of the disk; and a central hole recessed from the at least one inner ring. The plurality of holes in the outer ring and in the at least one inner ring provide fluid passages of unequal length from a first side of the flow conditioner to a second side of the flow conditioner.
A heated flow conditioning system includes a flow conditioner comprising a plurality of apertures and a flange, the flange surrounding said plurality of holes and comprising a first open-ended groove; and a spacer ring comprising a second open-ended groove. The first and the second open-ended grooves are configured to be connectable to each other, thereby forming a fluid channel for at least one heating medium.
A system for generating swirl includes a pipe and at least two orifice plates located within a section of the pipe and defining a swirl generation area. Each orifice plate has an off-set orifice or hole and is configured to have a position that is adjustable within the swirl generation area. Each orifice plate may be oriented at an angle variable to each other to generate a variable degree of swirl as fluid flow exits the swirl generation area.
F17D 1/20 - Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
A flow conditioner includes a single disk comprising an array of holes; a first set of integral vanes at least partially following a contour or pattern of an outer ring the holes; and a second set of integral vanes at least partially following a contour or pattern of an inner ring the holes. The second set of integral vanes is recessed from the first set of integral vanes in a stepped configuration.
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
F17D 1/17 - Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by mixing with another liquid
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
A flow conditioner includes a single disk comprising an array of holes and at least one integral vane, for example a plurality of integral vanes. The at least one integral vane is machined out of the same material as the flow conditioner and is not attached to the flow conditioner via a weld connection or adhesive.
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
A meter tube assembly for use with an ultrasonic flow meter is provided. The meter tube assembly includes a pipe spool having an extremely rough first section including an interior surface with a relative roughness (ε/D) of 1% or greater. Fluid passing through the extremely rough section exhibits a flow profile that remains substantially constant over the range of Reynolds numbers. As such, ultrasonic flow meters can be simplified as they need not account for different Reynolds numbers.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
A flow conditioner includes 1) a single disk comprising an array of holes and having an outer ring of holes, and 2) a section extending longitudinally from an outer circumference of the disk and comprising bores that at least partially follow the contour or pattern of the outer ring of holes.
G01F 3/12 - Meters with nutating members, e.g. discs
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
A reflector for a fluid flow system includes an orifice plate comprising a flange and an opening; at least one disk; and at least one vane extending between the orifice plate and the at least one disk.
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
patents
