Laminar Flow Liquid Flow Meters

Description

Laminar Flow Liquid Flow Meters are devices designed to measure the flow rate of liquids by utilizing the principles of laminar flow. These meters provide precise flow measurements by ensuring that the fluid flows in parallel layers with minimal disruption between them.

Working Principle

Laminar Flow Liquid Flow Meters operate based on the principle that the differential pressure across the meter is directly proportional to the volumetric flow rate. This linear relationship distinguishes them from other types of flow meters, such as orifice plates and Venturi meters, where the pressure differential is proportional to the square of the flow rate. The meters require individual calibration due to their complex internal geometry, which allows for high precision in predicting the meter's behavior across various operating conditions once calibrated .

Applications

Specific applications for Laminar Flow Liquid Flow Meters are not detailed in the provided documents. Therefore, I do not have the information to provide specific examples of applications.

Advantages over other Liquid Flow Meters

Laminar Flow Liquid Flow Meters offer a linear relationship between the flow rate and the measured value, which simplifies the interpretation of data and enhances measurement accuracy. This feature provides an advantage over other flow meters that may have more complex relationships between flow rate and pressure differential .

Limitations

One limitation of Laminar Flow Liquid Flow Meters is the requirement for specific inlet and outlet sections to maintain laminar flow conditions. Additionally, a minimum Reynolds number is necessary to ensure accurate measurements, which can limit their use in certain flow conditions .

Considerations

Considerations for Laminar Flow Liquid Flow Meters include the need for precise calibration to achieve high accuracy, which can impact initial costs. The durability and maintenance requirements are not explicitly detailed in the provided documents, so I do not have the information to provide guidance on these aspects.

3 Results
Dr. Eddy™ Flowmeters
from DME Company

Dr. Eddy diagonoses flow condition. Using Fluid Characteristic Indication (FCI) technology, Dr. Eddy. displaysthe condition of the water as it relates to flow. efficiency: laminar flow, transient flow, or turbulent flow. Dr. Eddy has four scales built into the meter: three scales for FCI. and one... [See More]

  • Meter Technology: Laminar Flow; Variable Area
  • Meter Type: Volumetric Flow Meter
  • Process Media Type: Liquid
  • Pipe Diameter: 0.20 to 0.38
Water Flowmeter -- FLR-1600A
from OMEGA Engineering, Inc.

The OMEGA ® Series FLR-1600 and FLV-4600 series flowmeters and controllers use two of the best studied physical properties of liquids to measure flow: Pressure and Viscosity. Differential pressure measurement, across a laminar flow element, results in a flow meter that is inherently linear. [See More]

  • Meter Technology: Laminar Flow
  • Operating Pressure: 100
  • Process Media Type: Liquid
  • Media Temperature: 122
Meter Tubes
from Daniel Measurement and Control Inc.

Made by experienced code qualified welders, Daniel meter tubes are accurate and dependable instruments that adhere to the highest quality standards. A meter tube consist of an orifice fitting (Daniel Senior, Junior, Simplex or Orifice Flange Union), a length of pipe upstream of the fitting and a... [See More]

  • Meter Technology: Laminar Flow
  • Meter Type: Volumetric Flow Meter
  • Process Media Type: Liquid; Gas
  • Mounting: In-line