Based on a sensible fluid heating/cooling approximation (ρcp=1.23 J/L·°C ), the average supply air temperature delivered

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Based on a sensible fluid heating/cooling approximation (ρcp=1.23 J/L·°C ), the average supply air temperature delivered by the RTU will be closest to which of the following values?
A rooftop unit provides heating, cooling, and ventilation to a single HVAC zone. The supply fan provides air circulation rate of 1200 L/s. OA EA ↑ ↓ T НН CC HC conditioned space Ts RTU heat gain
Consider a period when the space temperature is 26°C, the net heat gain to the space is 13 kW, and the RTU operates to deliver average supply air temperature (Ts) to keep the room temperature steady. Based on a sensible fluid heating/cooling approximation ( pcp = 1.23 J/L. °C).