1. A tank containing saturated steam undergoes a rapid drop in pressure. This results in rainout…

1. A tank containing saturated steam undergoes a rapid drop
in pressure. This results in rainout from the steam. In the absence of any
other process, use the conservation equations of mass and energy to derive a
relation for the rainout mass flow rate in terms of the depressurization rate.

2. Consider a tank filled with steam at enthalpy hv.
A spray valve is opened allowing water at a rate of msr and at
enthalpy of hsp to flow into the vapor space. The rate of steam
condensation on the spray droplets is msc. Assuming both spray water
and the condensate reach saturation, write a steady
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1. A tank containing saturated steam undergoes a rapid drop
in pressure. This results in rainout from the steam. In the absence of any
other process, use the conservation equations of mass and energy to derive a
relation for the rainout mass flow rate in terms of the depressurization rate.

2. Consider a tank filled with steam at enthalpy hv.
A spray valve is opened allowing water at a rate of msr and at
enthalpy of hsp to flow into the vapor space. The rate of steam
condensation on the spray droplets is msc. Assuming both spray water
and the condensate reach saturation, write a steady state energy balance and
find the rate of spray condensation.

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