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Water Flow Rate Units

Water Flow Rate Units. Volume / Time Cubic Feet Per Second (CFS) Gallons / Minute (GPM) Acre-inch / hour Miners Inch - used in the western US. Water Flow Rate Measurement in a Channel: Weir Method. V-Notch Weir. d. d. d. L. float. h. h. h.

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Water Flow Rate Units

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  1. Water Flow Rate Units • Volume / Time • Cubic Feet Per Second (CFS) • Gallons / Minute (GPM) • Acre-inch / hour • Miners Inch - used in the western US Flow Measurement

  2. Water Flow Rate Measurement in a Channel: Weir Method Flow Measurement

  3. V-Notch Weir Flow Measurement

  4. d d d L float h h h Water Flow Rate Measurement in a Channel Float Method V =(L / T)(C) C = 0.8 A = dSh Q = A V Flow Measurement

  5. d d d h h h Water Flow Rate Measurement in a Channel Slope-Area Method Measure S, A, R, estimate n A = dSh Q = A V Flow Measurement

  6. Water Flow Rate Measurement in a Pipe Impeller Meter Flow Measurement

  7. Water Flow Rate Measurement in a Channel Parshall Flume Flow Measurement

  8. Water Flow Rate Measurement in a Channel Parshall Flume Flow Measurement

  9. Water Flow Rate Measurement in a Pipe Orifice Meter Flow Measurement

  10. Water Flow Rate Measurement in a Pipe Orifice Meter a is the pipe area in square feet h is the head on the orifice in feet g = 32.2 ft / sec2 C = 0.6 for most orifices Flow Measurement

  11. Water Flow Rate Measurement in a Pipe Orifice Meter Example: 3-inch dia. orifice with a head of 2-feet. Find Q Flow Measurement

  12. Water Flow Rate Measurement in a Pipe Orifice Meter Flow Measurement

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