Question

4. Using data for the 2×3-10 pump (Fig. 4-16) at 3,560 rpms: (a) Estimate the performance characteristics (H, Q, efficiency, power) of the 10-in. rotor at 1,750 rpm using the manufacturer's information for the 10-in. rotor at 3,560 rpm. Plot the estimate on top of the data as given by the manufacturer. (b) Estimate the performance characteristics of the 6-in. rotor at 3,560 rpm from the 10-in. rotor at 3,560 rpm. Plot the estimate on top of the actual data for the 6-in. rotor at 3,560 rpm. (c) Estimate the performance characteristics of the 6-in. rotor at 1,750 rpm from the 10-in. rotor at 3,560 rpm. Plot the estimate on top of the actual data for the 6-in. rotor at 1,750 rpm. (d) Discuss the implications and limitations of the similarity method of estimating pump per- formance data.

          4. Using data for the 2×3-10 pump (Fig. 4-16) at 3,560 rpms:
(a) Estimate the performance characteristics (H, Q, efficiency, power) of the 10-in. rotor at
1,750 rpm using the manufacturer's information for the 10-in. rotor at 3,560 rpm. Plot
the estimate on top of the data as given by the manufacturer.
(b) Estimate the performance characteristics of the 6-in. rotor at 3,560 rpm from the 10-in. rotor
at 3,560 rpm. Plot the estimate on top of the actual data for the 6-in. rotor at 3,560 rpm.
(c) Estimate the performance characteristics of the 6-in. rotor at 1,750 rpm from the 10-in. rotor
at 3,560 rpm. Plot the estimate on top of the actual data for the 6-in. rotor at 1,750 rpm.
(d) Discuss the implications and limitations of the similarity method of estimating pump per-
formance data.

4. Using data for the 2×3-10 pump (Fig. 4-16) at 3,560 rpms:
(a) Estimate the performance characteristics (H, Q, efficiency, power) of the 10-in. rotor at
1,750 rpm using the manufacturer's information for the 10-in. rotor at 3,560 rpm. Plot
the estimate on top of the data as given by the manufacturer.
(b) Estimate the performance characteristics of the 6-in. rotor at 3,560 rpm from the 10-in. rotor
at 3,560 rpm. Plot the estimate on top of the actual data for the 6-in. rotor at 3,560 rpm.
(c) Estimate the performance characteristics of the 6-in. rotor at 1,750 rpm from the 10-in. rotor
at 3,560 rpm. Plot the estimate on top of the actual data for the 6-in. rotor at 1,750 rpm.
(d) Discuss the implications and limitations of the similarity method of estimating pump per-
formance data.

Added by Justin E.

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