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  1. tomb7us

    Sizing a heat exchanger

    I'm an up in coming engineer yet to have taken heat transfer, and im curious how you would size a heat exchanger. I am going to start working on a project in which im going to have to size an exchanger, with help of course. Water will be entering the exchanger at approx 120*F then will need...
  2. tomb7us

    In line refractometer

    I'm interested in seeing if it would be possible to use a in line process refractometer to measure or correlate an amount solids flowing through the refractometer in our process. This would be going on a sweet milk line that is approximatly 87% solids, 13% moisture, would a refractometer even...
  3. tomb7us

    Head Pressure

    How do you determine the head pressure of a line to overcomb the weight of a full silo? For example say i have a 30,000 gallon silo 210 feet tall and i need to move material into it from the bottom, what head pressure do i need to overcomb the pressure of the fluid? Isint it just a height x...
  4. tomb7us

    Conductivity

    Hello, I have a question that ive been pondering. How does sugars and fats influence conductivity in water. Basically we have a process here where we run 30% solids milk through an evaporator and separate the milk and water to 60% solids. What happens is we have carryover of milk into the...
  5. tomb7us

    black welded steel (carbon?)

    Is black welded steel safe to be heated to 500*F? I don't know what grade it is heres the information i have: schedule 40 OD 6.625" ID 6.065" wall thickness .280" 12" length ASTEM A53, ASTM A733 Its under zero pressure. Thanks, Tom

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