Question: Using data from Figure 9.14, design a (9 mathrm{ft}) deep ground-pipe system for Dallas in June to deliver (1000 mathrm{cfm}) at (75^{circ} mathrm{F}) when the

Using data from Figure 9.14, design a \(9 \mathrm{ft}\) deep ground-pipe system for Dallas in June to deliver \(1000 \mathrm{cfm}\) at \(75^{\circ} \mathrm{F}\) when the outside air temperature is \(90^{\circ} \mathrm{F}\).

Figure 9.14

Warm air Conditioned space (heat gain from outside and occupants) Cool air Fresh air Air conditioner Underground air tunnel

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