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Determine the appropiate orifice sizes for uniform exit temperatures of 140F from the four units in 70F ambient/ sea level pressure? Components (50W, 500W, 1000W and 300W)

Thank you

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- Thread starter elmandilon11
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- #1

- 5

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Determine the appropiate orifice sizes for uniform exit temperatures of 140F from the four units in 70F ambient/ sea level pressure? Components (50W, 500W, 1000W and 300W)

Thank you

- #2

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- #3

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I do have a problem. It is a cabinet, it has 4 components. Each component has has an inlet an an exit orifice where the air passes through. I would like to determine the orifice size for uniform exit temperatures of 140F from the four components in 70F ambient at sea level pressure.

- #4

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remember that mdot=(rho)(A)(V), you know rho given the 1 atm at 70

you know Ti=70

To=140

Given Q

Solve for mdot

But you need to know a flow rate to know a velocity at which the air is entering the compartment so you can solve for area and then diameter.

I may have miss understood your question but if you are given a flow rate or velocity then follow these steps.

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