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Chemical Process Technology

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Wednesday, September 26, 2007

In the earlier post, <<Hydraulic Design of Liquid Piping Systems >>, it presented the concepts in hydaulic study such as Bernoulli's theorem, pressure head, static head, velocity head, acceleration head, static head loss, dynamic head loss, etc. All this are related to hydraulic of piping alone. Now, this following article is the extension of above mentioned article.

by John Cheng, PhD, PE
(Click to download)

It extended to pumping liquid from one tank / drum to another tank /drum. It elaborate quite a lot on the pump head-capacity curve and interaction with piping resistance curve. the best features in this article is the STEP-by-STEP of pump hydraulic calculation, available Net Positive Suction Head (NPSHa) determination. This typical form the basis for a pump specification. A process engineer MUST read this and familiar with pump hydraulic.

Apart it also discuss the affinity law, selection guidelines for centrifugal & reciprocating pumps, pump protection methodology, etc.

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posted by Webworm, 3:35 AM


Anonymous Anonymous said...

The page is Not Found
I cannot locate the page. Please could check the address to download the article. Thanks

November 2, 2008 at 3:02 PM  
Blogger Webworm said...

Thanks. Rectified.

November 2, 2008 at 3:38 PM  

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