Recent content by Hiarum

  1. H

    Efficient way to convert kinetic energy to heat

    A pony brake is a good start!
  2. H

    Is this Variable frequency drive compatible with this motor?

    Inverter optimized motors are not a requirement for useful VFD compatibility. Long power runs being much more significant than insulation break down within the motor due to synthesized frequency profiles.
  3. H

    Do I need a feedback card to acquire motor RPM from a VFD?

    Depending on the precision required, If you know the design slip factor of the motor, (based on load, read AMPS) Frequency output of the VFD may be close enough. Some VFD's offer "conversion" calculations to display "motor RPM" based on similar input.
  4. H

    Can Older Adults Stay Connected in the Digital Age?

    thank you for the welcome
  5. H

    Can Older Adults Stay Connected in the Digital Age?

    Hi Just trying to stay in touch
  6. H

    What Happens Thermally When High-Pressure Air Bursts into a Dead-Ended Tube?

    I have a question in regards to a specific situation and really don't know which elements are significant. The example is high pressure AIR (a real gas/ not ideal ;-) of relatively unlimited volume, released via a rupture diaphragm into an enclosed tubulation. (dead ended) Relative dimensions...
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