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  2. Particle image velocimetry - Wikipedia

    en.wikipedia.org/wiki/Particle_image_velocimetry

    Particle image velocimetry (PIV) is a non-intrusive optical flow measurement technique used to study fluid flow patterns and velocities. PIV has found widespread applications in various fields of science and engineering, including aerodynamics, combustion, oceanography, and biofluids.

  3. Peak inverse voltage - Wikipedia

    en.wikipedia.org/wiki/Peak_inverse_voltage

    For rectifier applications, peak inverse voltage (PIV) or peak reverse voltage (PRV) is the maximum value of reverse voltage which occurs at the peak of the input cycle when the diode is reverse-biased. [4] [5] The portion of the sinusoidal waveform which repeats or duplicates itself is known as the cycle. The part of the cycle above the ...

  4. PIV - Wikipedia

    en.wikipedia.org/wiki/PIV

    Particle image velocimetry, an optical method of flow visualization; Peak inverse voltage, in electronics; Pentium 4 microprocessor, produced by Intel ("IV" is Roman numeral for "4")

  5. Stokes number - Wikipedia

    en.wikipedia.org/wiki/Stokes_number

    In experimental fluid dynamics, the Stokes number is a measure of flow tracer fidelity in particle image velocimetry (PIV) experiments where very small particles are entrained in turbulent flows and optically observed to determine the speed and direction of fluid movement (also known as the velocity field of the fluid). For acceptable tracing ...

  6. Velocimetry - Wikipedia

    en.wikipedia.org/wiki/Velocimetry

    Velocimetry portal is an online center for Laser Flow Diagnostic Techniques (PIV, StereoPIV, MicroPIV, NanoPIV, High speed PIV, PTV, LDV, PDPA, PLIF, ILIDS, PSP etc.). This portal is being developed so as to provide as much information as possible about the Laser Flow Diagnostic Techniques in a consolidated manner.

  7. Particle tracking velocimetry - Wikipedia

    en.wikipedia.org/wiki/Particle_tracking_velocimetry

    The 3-D particle tracking velocimetry (PTV) belongs to the class of whole-field velocimetry techniques used in the study of turbulent flows, allowing the determination of instantaneous velocity and vorticity distributions over two or three spatial dimensions. 3-D PTV yields a time series of instantaneous 3-component velocity vectors in the form of fluid element trajectories.

  8. How years of corruption and mismanagement led to LA running ...

    www.aol.com/news/years-corruption-mismanagement...

    LA residents voiced their outrage over the conditions that allowed the fire — and two other blazes in Los Angeles County — to rage out of control. Five people died as of Wednesday night ...

  9. Plena Ilustrita Vortaro de Esperanto - Wikipedia

    en.wikipedia.org/wiki/Plena_Ilustrita_Vortaro_de...

    In 2002, after many years of work, a new revised edition appeared with the title La Nova Plena Ilustrita Vortaro de Esperanto (The New PIV), also dubbed PIV2 or PIV2002. Its chief editor was Michel Duc-Goninaz. PIV2002 (much like PIV2005) includes 16,780 words and 46,890 lexical units. [1]