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harshmech
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Join Date: Sep 2007
Posts: 2

Looking to Design a Simple Convergent Fire-Fighting Nozzle

09/20/2007 6:10 AM

I want to design a simple convergent nozzle for fire fighting application to spray water on ships. What is design procedure to calculate the nozzle dimensions as per requirement? Is there any specific book in which I can find this information?
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Stinky Pete
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Join Date: Jul 2007
Location: The cigarette-stained drunkard living in the cardboard box outside Marks & Sparks delivery entrance, Eastgate Shopping Centre, Basildon.
Posts: 487
#1

Re: nozzle problem

09/20/2007 6:12 AM

Blimey! What's wrong with using those already on the market? Dirt cheap and compliant with all the current Standards....

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harshmech
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Join Date: Sep 2007
Posts: 2
#2
In reply to #1

Re: nozzle problem

09/20/2007 6:21 AM

hello! im in final year mechanical and doing project on designing of fire fighting system so later i will be picking frm market but as for now basic design is required.
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Stinky Pete
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Location: The cigarette-stained drunkard living in the cardboard box outside Marks & Sparks delivery entrance, Eastgate Shopping Centre, Basildon.
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#3
In reply to #2

Re: nozzle problem

09/20/2007 6:36 AM

........So go to the current standards and start from there. Unless you want me to nick one from Basildon Fire Station? Eh?

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Bill
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#4

Re: Fire-Fighting Nozzle

09/20/2007 2:36 PM

A simple convergent nozzle is just that: Simple. It's cone shaped. More sophisticated ones have a short, straight section at the small end, and the end is typically radiused (or at least chamfered) to eliminate a sharp edge at the exit.

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