FiberFlow

image of FiberFlow system

The FiberFlow LDA system is a highly flexible solution for non-intrusive measurements of velocity at a point in space as a function of time. This Laser Doppler Anemometry (LDA) solution uses fiber optics to connect the laser and the transceiver probe. Many applications benefit from or require a fiber optic connection for intrinsic safety, submersion, or remote locations. We offer a variety of probe sizes, laser types, and configurations of transmitter and processor, which allows you ultimate flexibility to meet your flow measurement needs.

The FiberFlow LDA can easily be upgraded and reconfigured to suit the requirements of existing and new applications. With a full range of options and accessories including our full featured software, our FiberFlow LDA solution is the best-in-class system.

How to set up FiberFlow

Key features:

  • Fiber optic connection between laser and probe without electronics meets requirements for C1D1 and other challenging environments
  • 1-, 2- and 3-velocity component configurations
  • Compact all-in-one laser transmitter including power supply, controller, and frequency shift optics
  • Laser power up to 1W for high performance even at long measurement distances
  • High transmission efficiency due to re-engineered optics with fewer components
  • Four probe sizes with a range of front lenses to match flow rigs of any size
  • Automatic laser safety shutters for user protection
  • Alignment mode with laser power attenuated 99%
  • Output polarization selectable for PDA applications

The basic elements are:

  • A Laser Transmitter comprising laser, power supply, interface, beam-splitting/frequency-shifting optics, and fiber manipulators for guiding the laser beams into optical fibers
  • A range of probes with diameters from 14 mm up to 112 mm
  • A Burst Spectrum Analyzer, available at two performance levels covering velocities up to supersonic
  • A BSA Flow software package with extensive data analysis presentation and export features

FiberFlow transmitting optics

The smallest probes are 14 mm in diameter and measure at 50 mm distance (in air) and can thus be employed where space is constrained, or where the probe can be placed directly in the flow. Application examples are flows in the engine compartment of a passenger car, and measurements in indoor-climate test rooms. The largest probes can be used for measurements at distances of up to several meters and are typically used in wind tunnels and large water channels.

Components

Seeding Generators

Seeding Generators

Dantec Dynamics offers liquid and powder seeding generators for LDA and PIV, and fog generators for LDA and flow visualization
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Seeding Materials

Seeding Materials

The choice of the right seeding material to scatter the light from laser beams or a light sheet is crucial to the acquisition of successful experimental data
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FiberFlow components

FiberFlow components

Highly flexible solution for non-intrusive measurements of velocity at a point in space as a function of time
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PCs and Workstations

PCs and Workstations

PC or Workstation to control your measurement system; store, analyze and post-process the data; and visualize the results
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Probe Supports and benches

Probe Supports and benches

Rigid benches and highly robust and stable probe supports with fine adjustments to ensure good overlap of the probe volumes in 3D LDA as well as PDA applications
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Traverse Systems

Traverse Systems

Map fluid velocity in space and perform boundary layer measurements with this high resolution system
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BSA Flow Software

BSA Flow Software

Combined with Dantec’s LDA processors and optical LDA systems, BSA Flow Software provides an integrated, flexible, and easy-to-use solution for all LDA fluids experiments
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Burst Spectrum Analyzer

Burst Spectrum Analyzer

Fast and powerful all-in-one processor for LDA & PDA systems
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Calibration of LDA Optics

Calibration of LDA Optics

Traceable calibration allowing for the use of an LDA system as a calibration reference for other velocity sensors
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Download Library

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AUTHOR(S)
YEAR
DOWNLOAD FILE
AUTHOR(S)

R. Theunissen, P. Gjelstrup

YEAR

2018

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AUTHOR(S)

Sophie Herpin, Laurent Perret, Romain Mathis, Christian Tanguy, Jean-Jacques Lasserre

YEAR

2018

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AUTHOR(S)

Palle Gjelstrup

YEAR

2009

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AUTHOR(S)

P. Gjelstrup, H. Nobach, F.E. Jørgensen, K. E. Meyer

YEAR

2000

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Learn more about the FiberFlow system today

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