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Important Blog Entry

See this blog entry for an important update about two (2) of our services:

http://www.cheresources.com/invision/blog/1/entry-457-online-store-and-chexpress-run-coming-to-an-end/

Community Status Updates


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Innocent Bharathi

can anyone tell me why efficiency vs discharge graph is inverted parabola in centrifugal pump??
Dec 22 2011 03:20 AM
  • vikramltv's Photo
    vikramltv
    Efficiency = 80-0.2855*HEAD+3.78*10^-4*HEAD*FLOW - 2.23*10^-7*HEAD*FLOW^2+5.39*10^-4*HEAD^2-6.39*10^-7*HEAD^2*FLOW+4*10^-10*HEAD^2*FLOW^2
    Dec 25 2011 11:40 PM