PIV Glossary

Like in any specialized matter there are a lot of abbreviations and technical terms in the field of flow analysis. Although there are many excellent books with detailed explanations this short list is planned to give an introduction into commonly used terms.

CA Crank Angle
CCD Charge Coupled Device
CVD Chemical Vapor Deposition
CW Continuous Wave
DI-spray Direct Injection Spray
DLR Deutsches Zentrum fuer Luft- und Raumfahrt (German Aerospace Center)
DPIV Digital Particle Image Velocimetry
DSPIV Digital Stereo Particle Image Velocimetry
GFM Gas Flow Monitor
IC Internal Combustion
ICCD Intensified Charge Coupled Device
Interrogation Area also Interrogation window or Interrogation cell; part of an image that is used to calculate particle displacement by means of correlation
IRO Intensified Relay Optics
LDA Laser Doppler Anemometry
LDS Laser Diagnostic System
LIF Laser Induced Fluorescence
LIPF Laser Induced Predissociation Fluorescence
LSV Laser Speckle Velocimetry
MBE Molecular Beam Epitaxy
PDA Phase Doppler Anemometry
PDF Probability Density Function
Peak-Locking an effect caused by small particles leading to the tendency of calculations giving integer displacement values
PIV Particle Image Velocimetry
pixel Picture Element
PLD Pulsed Laser Deposition
PSC Pressure Sensitive Coating
PSP Pressure Sensitive Paint
PTU Programmable Timing Unit
PTV Particle Tracking Velocimetry
QE Quantum Efficiency
Rheed Reflective High Energy Electron Diffraction
Scheimpflug the condition which causes a tilted image plane when imaging at an angle
Seeder device which places particles, droplets or bubbles into a flow medium
SI Self Ignition
SMD Sauter Mean Diameter
SNR Signal to Noise Ratio
SPM Surface Pressure Monitor
Vorticity differential quantity that is often of more interest than the velocity