Velocity different than Expected -- CFD Online Discussion Forums

June 3, 2013, 21:27	Velocity different than Expected	#1
ajhunte New Member AJ Hunter Join Date: Feb 2013 Posts: 29 Rep Power: 13	I have just ran a fluid model with a given mass flow rate for water. I did hand calculations and determined that my velocity at a particular point of the setup should be about 57 ft/s. However, CFX gives me a velocity of 107.88 ft/s. Does anyone know why this might happen. ABOUT THE MODEL: A single pipe comes in and then splits into 25 smaller channels, which then go back into a single pipe of different diameter. The channels are the locations where I calculated the expected velocity.

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