Laser Induced Fluorescence (Mixing LIF)

Planar laser-induced fluorescence (PLIF) is an optical diagnostic technique widely used in fluid and gas applications. PLIF has proven to be a valuable tool for flow visualization as well as for quantitative whole-field measurements of concentration and temperature in liquid and concentration in gaseous flows. Applications can be found in process engineering, biomedical engineering, and fluid dynamics research.

Mixing and heat transfer studies in liquid flows by LIF

With Dantec Dynamics’ planar LIF solutions, quantitative information can be obtained in many applications, including:

  • Mixing performance of chemical processes
  • Interaction between large-scale and smaller-scale in turbulent mixing
  • Dispersion of pollutants in model ocean systems
  • Heat transfer phenomena in heat exchangers, pumps, and other devices for improvement of apparatus performance and equipment design
  • Temperature distribution in fluids of engineering interests such as foodstuffs and paints

Mixing studies in gas phase flows by tracer-LIF

By adding a fluorescent tracer species (e.g. acetone) to a non-fluorescent fuel or gas, visualization of the gas phase mixing as well as quantitative concentration measurements can be made by means of LIF. One common application is fuel visualization in development of combustion engines, where LIF allows for diagnostics of the pre-combustion as well as the combustion process to be made.

Dantec Dynamics’ powerful yet easy-to-use system dedicated for gas phase tracer-LIF enables investigations of properties such as:

  • Fuel distribution
  • Ignition phenomena
  • Fuel injection behavior
  • Gas phase mixing studies

Features & Benefits

Feature

Benefit

Feature:

Non-intrusive technology

Benefit:

Does not disturb the phenomenon being studied

Feature:

Quantitative, precise and accurate measurements of concentration or temperature liquids and concentration in gas flows

Benefit:

Helps understand mixing processes

Feature:

Multi-parameter measurements by combination with e.g. PIV

Benefit:

Transport properties (e.g. Reynolds flux, turbulent diffusion coefficients and other parameters) are made experimentally available

Feature:

Modular system allowing easy future upgrades

Benefit:

Match budget and allow for easy future upgrades

Components

DynamicStudio

DynamicStudio

State-of-the-art software platform designed to support researchers performing imaging measurements
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Synchronizers

Synchronizers

Combine cameras, lasers, and an intensifier all with different timing needs into a single system with nanosecond precision
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Double Frame Cameras

Double Frame Cameras

High resolution, low noise cameras with double-frame capability for PIV
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Time Resolved Cameras

Time Resolved Cameras

High-speed cameras with up to 4 MP resolution and up to 25500 frames per second
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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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Traverse Systems

Traverse Systems

Map fluid velocity in space and perform boundary layer measurements with this high resolution system
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Camera Accessories

Camera Accessories

Lenses, filters, Scheimpflug Mounts, fast shutters, DualScope
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