Engineering, 21.10.2020 17:01 rileybantaos1c8s
Your company is planning to build a pipeline to transport gasoline from the refinery to a field of storage tanks. The parameters for the prototype system are a pipe diameter of 1 m, with a flow velocity of 0.5 m/s at 25°C. The model system will use water at STP with a geometric scaling factor of 1 : 20. What fluid velocity is required in the model system to guarantee kinematic similarity in the form of equal Reynolds numbers?
Answers: 1
) is a dimensionless criterion use for flow regime of fluids, which is defined as:
(Eq. 1)
- Density, measured in kilograms per cubic meter.
- Dynamic viscosity, measured in kilograms per meter-second. 
- Average flow velocity, measured in meters per second.
- Pipe diameter, measured in meters.
. That is:
(Eq. 2)
is used for water and 
for gasoline.
, 
, 
, 
, 
, 
and 
, then we get the following formula:
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