Aerosol Seeding Generators

suitable for most laser velocimetry applications in air


Seeding Principle

Available Models (click on links)


Liquid Atomization (see specifications below)

PIVpart14

PIVpart30

PIVpart40

PIVpart45

PIVpart160

Powder Dispersion (more...)

PIVsolid3

PIVsolid8

     

PIVpart14

Small Seeding Device with 14 Cascadable Nozzles

  • 14 high precision brass Laskin nozzles

  • seeding quantity adjustable through combination of 2, 4 and 8 nozzles

  • internal impactor plate for improved removal of larger droplets

  • overpressure range -1 - 3 bar (5 bar on request)

 

PIVpart14
Click on image to enlarge

PIVpart30

 

Medium-sized Seeding Device with 30 Cascadable Nozzles

  • 30 high precision brass Laskin nozzles

  • seeding quantity adjustable in increments of 2 (15 quantity levels in total)

  • new design with 90% reduction of large droplet generation

  • lightweight stainless steel pressure vessel

  • overpressure range 0 - 2.5 bar

PIVpart30
Click on image to enlarge

PIVpart40

 

Medium-sized Seeding Device with 40 Cascadable Nozzles

  • 40 high precision brass Laskin nozzles

  • seeding quantity adjustable in steps of 8

  • new design with 90% reduction of large droplet generation

  • lightweight stainless steel pressure vessel

  • overpressure range 0 - 2.5 bar

PIVpart30
Click on image to enlarge

PIVpart45

 

Medium-Sized Seeding Device with 45 Cascadable Nozzles

  • 45 high precision brass Laskin nozzles

  • seeding quantity adjustable in increments of 3 (15 quantity levels in total)

  • solenoid valve for remote control

  • internal impactor plate for improved removal of larger droplets

  • overpressure range -1 - 3 bar (5 bar on request)

PIVpart40
Click on image to enlarge

PIVpart160

 

Large Seeding Device with 160 Cascadable Nozzles

  • 160 high precision brass Laskin nozzles

  • seeding quantity adjustable in combinations of 8 (15 quantity levels in total)

  • solenoid valve for remote control

  • internal impactor plate for improved removal of larger droplets

  • overpressure range -0.5 - 0.5 bar (1 bar on request)

PIVpart40
Click on image to enlarge

Specifications Seeding devices based on atomization of liquids

Operating principle

Laskin atomizer nozzles
Fully adjustable through control of individual seeding nozzles (cascading)

Typical particle size

1 µm (peak in PDF of size distribution)

Tested seeding material

DEHS ( Di(2-ethylhexyl)sebacate, sebacic acid),
vegetable oils

Operating pressure

up to 3 bar overpressure, safety valve set at 5 bar
high pressure devices available upon request

Supply pressure

10 bar max, uses regulator

Applications

Laser Doppler Velocimetry (LDA),
Particle Image Velocimetry (PIV),
Planar (Global) Doppler Velocimetry (PDV),
Laser Lightsheet Visualization,
Flow Visualization

Options (please inquire)

- custom designs for large scale applications (160 nozzles and more)
- particle impactor (cyclone) to limit maximum particle size (1 µm)
- high pressure versions (up to 20 bar backpressure with nitrogen supply)
- remote control (USB or SPS)


Products subject to change without notice!

For more information about our seeding generators feel free to contact us directly at info@pivtec.com.



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Send comments or questions to info@pivtec.com
Last change: 2013-03-12