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Question:

I designed a helical coil heat exchanger and i decided to calculate the mass flow rate.?

So that i passed water through it and it takes 101sec to fill a one litre bottle.From that i calculated the volumetric flow rate and i multiplied with the density of water.( got mass flow rate) am i right.

Answer:

by using understanding the properties of the pumps (pumps ability and rotating velocity), you may calculate the mass bypass fee that's pumped to the pipes. Then by using right here formula the cost could be calculated: Mass bypass = Density * velocity * Pipe section
tricky factor. seek from a search engine. just that might help!
Yes you are right.
No. In application the flow rate is dependent on the pressure difference over your helical coil heat exchanger. It also depends on the conditions that determine the type of flow, laminor or turbulent.

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