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Anonymous Poster	IQBAL 06/01/2010 2:19 PM
	Bundals of thanks to Mr. Abdul Haleem Galala for hydraulic power. I have Some more confusions regarding pipe flow and centrifugal pumps 1. How to calculate flow through a branch of pipe if pressure in pipe before branch is known 2. How to calculate NPSH in a closed circuit. 3. What is maximum flow that can be pushed in 1".2".3".4"-------10" pipes for a) Laminar Flow b) Turbulat Flow Dear Mr, Abdul Haleem I am looking forward to listen good answers. Basically I am working in a plastic industry in the field of maintenance of injection machines and molds, so remain out of touch with projects. but now a days need some calculations to resolve some issues. JezakALLAH Iqbal
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#1 Re: IQBAL 06/02/2010 2:57 AM
	<...How to calculate flow through a branch of pipe if pressure in pipe before branch is known...> Use the Darcy-Weisbach generalised flow equation on the downstream pipe. <...What is maximum flow that can be pushed in 1".2".3".4"-------10" pipes...> For liquids, keep the velocity below 3m/s. Keep gas flows below 10m/s. If the velocities are higher than this, then increase the pipe size. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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