Question
Download Solution PDFWhy multi staging is used in centrifugal pumps?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
If a centrifugal pump consists of two or more impellers, the pump is called a multistage centrifugal pump. The impeller may be mounted on the same shaft or on different shafts.
A multistage pump is having the following functions:
To produce high heads:
- For developing a high head, a number of impellers are mounted in series or on the same shaft.
N = Number of identical impellers mounted on the same shaft
Hm = Head developed by each impeller
Total head developed = N × Hm
The discharge passing through each impeller is the same.
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