Question

Which of the curves is used in the design of volute casing of centrifugal Pump​

Answer 1

Answer:

(a) Q-η curve, (b) Q-H curve, and (c) Q-P shaft curve. As is indicated in Figure 6(a) and Table 3, the highest efficiency is reached when volute cross-section shape is round, and the second highest cross-section shape is horseshoe shaped which is 1.05% lower than that of round-shaped cross-section.