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  • Users: harrinshotmail
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  1. harrinshotmail

    Heat transfer-SS Tank

    Stainless steel tank 27cu. feet volume, is filled with water. The top has a lid with a few small holes for the water vapours. Water has to be heated from 20 deg celsius to 95 deg celsius in 25 minutes(not critical). Once the water is hot, the water is pumped from the tank using a 2 gpm pump and...
  2. harrinshotmail

    AC Invertor

    Hello Guys! If I use an AC invertor to reduce the speed of a motor(900rpm) how much will the torque reduce if it is a 2hp motor? The pf i0.68 and mechanical effeciency is 78%. I donot have the torque characteristics of this motor. The AC invertor when connected to this motor shows 70V and...
  3. harrinshotmail

    sprocket vs gear box

    The reduction ratio needed im our application is 1800. Following are the ways to do it: 1. Use an AC invertor and bring its speed down to 140rpm. Then use worm reducing gear 60:1 ratio. Then use a sprocket to reduce the speed further by 4.5 ratio to get a final rpm of 0.5 rpm. The motor chosen...

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