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Turbulence

least understood phenomena in classical physics.

See Also: Anemometers, Vibration, Wind


Showing results: 1 - 15 of 17 items found.

  • Constant Temperature Anemometry (CTA) - Hot-Wire Anemometry - Thermal Anemometry

    Dantec Dynamics A/S

    Constant Temperature Anemometry (CTA), also known as Thermal Anemometry, is a technique for the measurement of turbulence in 1, 2 or 3-dimensional gas and liquid flows, using hot-wire or hot-film probes inserted in the flow. CTA is particularly suitable for the measurement of flows with very fast fluctuations at a point (high turbulence) and the study of flow micro structures, where there is a need to resolve small flow eddies down to the order of tenths of a mm.

  • Particle Image Velocimetry (PIV)

    Dantec Dynamics A/S

    Particle Image Velocimetry (PIV) is a non-intrusive laser optical measurement technique for research and diagnostics into flow, turbulence, microfluidics, spray atomization, and combustion processes.

  • Leak Detectors

    Monarch Instrument

    The Monarch Instrument VPE Leak Detectors use ultrasonic waves to detect sounds associated with friction, arcing, and turbulence. They do this while avoiding noise interference like wind or workshop noises. Find the right leak detector for your application today.

  • PICO Pµlse Contact Dispense Valves

    Nordson Corporation

    This contact dispense valve provides many of the same benefits of the PICO Pµlse jet valve, including high-speed dispensing at up to 1000Hz continuous*. It also delivers more accurate contact dispensing with less turbulence for greater fluid deposit consistency, placement, and process control.

  • Airborne Gravimeter

    GT-1A - CMG

    The GT-1A airborne gravimeter brings proven design and fully automatic operation to mobile scalar gravity measurement. Intelligent Platform Control combined with continuously recorded wide dynamic range allows the collection of high quality data through periods of turbulence. Proprietary software provides on-side delta-g values for post-flight evaluation.

  • Thermal Microclimate PMV-PPD / WBGT

    HD32.3TC – HD32.3TCA - Delta OHM S.r.L.

    Thermal microclimate for the measurement of WBGT, PMV (mean predicted vote), PPD (predicted percentage of dissatisfied), DR (draught rate), TU (local turbulence intensity), HI (heat index), UTCI (Universal Thermal Climate Index), TEP (perceived equivalent temperature) indices, CO2, PM1.0, PM2.5 and PM10. Estimation of SARS-CoV-2 decay time on surfaces.

  • Tri-Axial Transient Shock Data Logger

    TSR101-EB - MadgeTech, Inc

    The TSR101-EB is a battery powered, stand alone transient tri-axial shock data logger. The TSR101-EB measures and records data of instantaneous shock levels when the user-selectable shock levels have been exceeded. There are 15 rates to choose from ranging from 1024Hz to 1 Hz. The TSR101-EB is valuable in characterizing environments such as railcar coupling impacts and aircraft turbulence monitoring.

  • 8-Zone SMT Reflow Oven

    CR8000 - Manncorp

    A combination of 8 independently controlled full-convection heating zones (16), 2 cooling zones, and low-velocity, low turbulence air flow allows the CR8000 reflow oven to provide you with thermal accuracy of ±1°C and a ΔT of ±2°C across PCB assemblies to 22" (570 mm) wide. This high-performance model takes up less floorspace than comparable alternatives on the market and offers a throughput that can keep pace with even high-volume production requirements.

  • Airborne Gravimeter

    GT-2A - CMG

    The very large dynamic range provides high precision data even in turbulent flying conditions; data is acquired through short periods of saturation in extreme turbulence by the automatic application of a reduced order Kalman filter, enabling platform misalignment to be computed and hence controlled; the automatic calibration program computes accelerometer scale factors and errors in perpendicularity between the accelerometer sensitive axis and the platform surface. The GT-2A installation in a fixed wing aircraft is shown in Fig 1 (courtesy of Excalibur).

  • Anemometers

    Bristol Industrial & Research Associates Ltd

    Biral provides a wide range of anemometers ensuring that we have a solution to almost every environmental wind measurement requirement. Our traditional cup and vane anemometers range from simple devices for general wind monitoring through to certified products for use in wind energy applications. Our ultrasonic anemometers, which benefit from having no moving parts, provide for everything from simple 2-axis measurement through to research quality 3-axis sensing and integrated turbulence measurement.

  • Phasecam Twyman-Green Laser Interferometers

    4D Technology

    PhaseCam dynamic Twyman-Green laser interferometers provide high resolution measurements despite vibration and air turbulence. Dynamic Interferometry® enables PhaseCam laser interferometers to capture full wavefront measurements in as little as 30 microseconds—5000 times faster than conventional phase shifting interferometers. Compact and lightweight, PhaseCams make reconfiguring test setups simple and easy, without vibration isolation.

  • Turbine Flow Meters

    AW Gear Meters

    Axial turbine flow meters are designed with wear resistant internal components to provide trouble-free operation and a long service life. Fluid entering the flow meter is first conditioned by the inlet flow straightener which reduces turbulence in the fluid. The moving fluid causes the rotor to spin at a speed that is proportional to its flow rate. As the turbine blades on the rotor pass through the magnetic field of the pickup, an electronic pulse is generated.

  • Laser Doppler Anemometry

    Dantec Dynamics A/S

    Laser Doppler Anemometry (LDA), also known as Laser Doppler Velocimetry (LDV), is an optical technique ideal for non-intrusive 1D, 2D and 3D point measurement of velocity and turbulence distribution in both free flows and internal flows. Science and industry apply our LDA systems to gain a clearer understanding of fluid mechanics. The measurement results are important steps in fine-tuning product designs to improve aerodynamic efficiency, quality and safety.

  • Multi-frequency Ultrasound And Acoustic Imaging Camera

    SonaVuTM - SDT Ultrasound Solutions

    SonaVu™ is an acoustic imaging camera. Using its 112 ultrasound sensors and optical camera, it can detect sources of airborne ultrasound and transmit them into a visual image on its touch screen. Defects such as compressed air system leaks, compressed gas system leaks, vacuum leaks, the presence of partial discharge on electrical assets, and failed/working steam traps all create turbulence. And when there is turbulent flow present, there is airborne ultrasound. SonaVu™ makes the superhuman hearing capabilities of SDT Ultrasound Devices visible to the human eye.

  • wavefront sensor

    HASO3 FAST - Imagine Optic

    Our HASO3 Fast Shack-Hartmann wavefront sensors provide fast accurate and reliable measurements by uniting the standard HASO family's standard functionalities that customers have come to rely on, including absolute measurement, unequalled accuracy and insensitivity to vibration, with an acquisition speed of 905 Hz and a spatial resolution of 14 x 14 microlenses.When coupled with our HASOv3 software package, you can perform both zonal and modal wavefront reconstruction; calculate the PSF*, MTF* and Strehl ratio*; visualize the spot diagram; and obtain the M* parameter. Adaptive optics users can take advantage of our CASAO software package to control adaptive optics loops to compensate for atmospheric turbulence, optimize the focal spots of laser beams and Freespace communications.

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