Monday, November 18, 2013

Week-8 Lab–Air Flow Rate

Question

Within the instructions for lab 8, there is an equation given to find the mass of the air, however only one of the two necessary parameters is given. The air density is given, but the volumetric flow rate, Qt, is not given and without it neither the mass nor Qt can be solved through the equation.

Response

There is sufficient information. The equation given addresses any volumetric flow rate.  If you look through the rest of the lab you’ll see several possible flow rates.  You use this equation to determine the mass flow rate in each case.

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