hot wire anemometer Articles

  • Flow measurement technology comparison: GA5000 Vs Hot Wire Anemometer

    A typical landfill or contaminated land site under investigation will comprise of a suitable number of gas monitoring wells, with a planned series of monitoring visits.  The monitoring will include gas flow measurements, which together with methane and carbon dioxide concentrations will be used to calculate gas screening values (GSV) and hence allow the determination of whether any gas ...


    By Geotech

  • Estimation of the surface stress from the streamwise pressure gradient: The Kármán Integral Momentum Equation revisited

    A method is developed to estimate the stress at the surface in a portable wind tunnel for wind erosion studies. The boundary layer height and the pressure gradient are used in a simple expression from the Kármán Integral Momentum Equation. Values of friction velocity u * are within 10% of experimental values obtained through correlation techniques, including measurements of differential pressures ...


    By Springer

  • Do you need to measure air flow?

    Look no further. This hot wire thermo-anemometer is ideal for low air velocity, volume, and temperature measurement. If your desired application involves ventilation surveying, the maintenance of air conditioning systems, or environmental monitoring, this product will meet your requirements and more. Record your measurements on a slim plug-in telescopic probe and download the data ...


    By ATP Instrumentation Ltd

  • The evolution of thermal mass flow meters

    Who were some of the pioneers in thermal mass flow technology? A. Thermo-Systems, Inc. (TSI) began in its founder’s basement in 1959, with a cooled-film anemometer designed for transient measurements in high temperature fluid flows. This led to TSI’s hot-film and hot-wire anemometers, the first commercial products of this type. These immersion-type devices were used mainly as ...


    By Sierra Instruments, Inc.

  • Technology white paper: immersible thermal dispersion

    Thermal dispersion mass flowmeters comprise a family of instruments for the measurement of the total mass flow rate of a fluid, primarily gases, flowing through closed conduits. The operation of thermal dispersion mass flowmeters is attributed to L.V. King who, in 1914 (Ref. 1). published his famous King's Law revealing how a heated wire immersed in a fluid flow measures the mass velocity at a ...


    By Sierra Instruments, Inc.

  • Momentum Flux: Gross, Scalar, Alongwind, or Net?

    Modern micrometeorology is an amalgam of two traditions: one arises from field measurements in the open atmosphere and another from wind tunnel experiments. Early micrometeorological field work, and even relatively recent studies (viz. the von Karman constant experiments by Frenzen and Vogel, 1995), were done with precision cup anemometers, which can only provide a scalar speed measurement. Most ...

  • Luminant Oak Grove Power Station - Case Study

    Powering Texas Luminant, a subsidiary of Energy Future Holdings Corp. (EFH) -which owns competitive and regulated energy subsidiaries in Texas -is the largest electricity generator in Texas. Unit two of the Oak Grove Power plant near Franklin in Robertson County, TX went online in the middle of 2010. Fluor, the project’s EPC company, completed the plant in 35 months and used ...

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