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TDY$2602$ SELF ASSESS

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$]\}$

$T_1=\{[-34C]\}$

$T_2=\{[65C]\}$

$T_3=\{[42C]\}$

$h_4=\{[111\mathrm{.}25k\frac{J}{k}g$

Using saturated liquid enthalpy at the given temperature, for water we have $($Table A$-4)$

$h_{w1}=h_{f18C}=75\mathrm{.}47k\frac{J}{k}g$

$h_{w2}=h_{f\text{@}26C}=108\mathrm{.}94k\frac{J}{k}g$

$($b$)$ The mass flow rate of the refrigerant may be determined from an energy balance on the compressor