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how to design the blades for centrifugal compressors? Answered

4 Replies

Re-design (author)2011-02-16

I'm sorry but your question while seemingly simple is much too vague.

In the order they came to me;
What material,
What size,
What shape,
Are you going to build it or is this a thinking project,
What power source,
What are your skills,
What final pressure,
How many stages,
Compressing what? Air?,
How much are you willing to spend,
are just a few questions that come to mind when I tried to answer your question and can't really give you a start without atleast some of them answered.

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karthikraja_09 (author)Re-design2011-02-17

i want the pressure difference to be rised in the order of 1.3bar for compressing refrigerant.. to be used for small refrigeration unit.. i want at minimum cost and valuable..

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Re-design (author)karthikraja_092011-02-17

Hire an engineer if you want it to compress refrigerant.

Why not use something that has already been designed? Starting from scratch is NOT going to be cheap.

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karthikraja_09 (author)Re-design2011-02-18

we hav to design the centrifugal compressor which needs to b run by 100watts motor...with 1500 rpm.... since we hav struck up the details like..dia of impeller disc.eye dia....no of blades to b used..final pressure is also not sure ....kindly suggest us the design procedures and the suitable material to be used..

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