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  1. BrianD

    Wheel Torque Measurement

    Hi, I need to purchase wheel torque transducers for use in an off-highway application (wheel torque of 30kNm). Can someone please recommend some suppliers in the UK that I could speak too? I am looking for a supplier that can supply either a ready assembly (transducer / amplifier / slip rings...
  2. BrianD

    Pressure drop in a pipe due to a spherical ball

    JTE & BHMech - thanks for your replys. To BHMech: When I first looked into correlating flow rate with pressure drop, I calculated the area of the 'annular aperature / ring' between the ball OD and the pipe ID and converted this to an equivalent orifice diameter. I then used the metric...
  3. BrianD

    Pressure drop in a pipe due to a spherical ball

    Hello, I have an assembly which is essentially a spherical ball located in a cylinderical pipe. I am after a formula that can be used to calculate the pressure drop across the ball for a given fluid flow rate in the pipe. There is a small clearance between the ball outside diameter and the...
  4. BrianD

    SRI values for an aluminium door

    Hi, I am after some transmission loss figures for a single skin aluminium roller door. Does anyone know of any web references were I can find typical OBCF figures for roller shutter doors? Thanks
  5. BrianD

    Summing spectral lines to give an overall level

    I would like some advise about calculating an overall level by summing the amplitude of the individuals lines that make up a frequency spectrum. In my case I am measuring acoustic data and the frequency range I am interested in is 0 to 5kHz. When I summed the individual lines the overall level...

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