A large office building is designed to provide working space for $200$ people. $(4$ points total$)$ A large office building is designed to provide working space for $200$ people. The cooling load of the space is $15$ tons, with $SHF=0\mathrm{.}7.$ The design conditions within the space are $25\mathrm{.}6C,50\%RH.$ The supply air dry$-$bulb temperature should be $14\mathrm{.}5C.$ The outdoor air conditions are $32\mathrm{.}2C,70\%RH.$ In addition, there is sensible heat gain of $10k{W}_{th}$ to both the supply air duct and to the return air duct. Determine the following:

a$.(1$ point$)$ The minimum volumetric flow rate of outdoor air, based on the number of people in the space $(\frac{m^3}{s}).$ Assume $5$ liters $\frac{?}{sec}\frac{?}{?}$ person of fresh air is required.

b$.(1$ point$)$ The dry$-$bulb temperature of the air leaving the cooling coil $(C)$

c$.(1$ point$)$ The total heat removed by the cooling coil $(\{$:$k{W}_{th})$

d$.(1$ point$)$ The SHF of the cooling coil

$T_1$

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The cooling load of the space is $15$ tons, with SHF $=0\mathrm{.}7.$ The design conditions within the

space are $25\mathrm{.}6\backslash$deg C$,50\%$ RH$.$ The supply air dry$-$bulb temperature should be $>=14\mathrm{.}5\backslash$deg C$.$ The

outdoor air conditions are $32\mathrm{.}2\backslash$deg C$,70\%$ RH$.$ In addition, there is sensible heat gain of $10$ kW th

to both the supply air duct and to the return air duct. Determine the following:

a$.(1$ point$)$ The minimum volumetric flow rate of outdoor air, based on the number

of people in the space $($m$3/$s$).$ Assume $5$ liters$/$sec$/$person of fresh air is required.

b$.(1$ point$)$ The dry$-$bulb temperature of the air leaving the cooling coil $(\backslash$deg C$)$

c$.(1$ point$)$ The total heat removed by the cooling coil $($kW th $)$

d$.(1$ point$)$ The SHF of the cooling coil