Square‐root valve

  title={Square‐root valve},
  author={Hubert Houtman},
A new type of valve is introduced, the square‐root valve, in which the valve stem radius is machined to vary as the square root of the turn number N. The open area then varies in direct proportion to the turn number, and the measured flow rate Qs(N) was found to be adequate to allow this valve to be used in an automatic feedback control system. As the flow‐rate function will generally depend on the source and load impedances, a systematic method to empirically obtain precise linear (or other… CONTINUE READING

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