Engineering, 05.11.2019 02:31 algahimnada

In an electricity-generating facility, steam leaves a turbine and is piped to a condensing unit. after condensation occurs, it is desired to further cool the (distilled) water by means of a shell-and-tube exchanger. the water enters the heat exchanger at 110°f with a flow rate of 170,000 lbm/hr. the heat will be transferred to raw water from a nearby river. the raw water is available at 65°f, and the mass flow rate is 150,000 ibm/hr. it is proposed to use a heat exchanger that has a 17-1/4-in- id shell and 3/4-in-od, 18-bwg tubes that are 16 ft long. the tubes are laid out on a 15/16-in triangular pitch. the tube fluid will make two passes. the shell contains baffles that are spaced 1 ft apart. determine the outlet temperature of the distilled water (by using ntu method) and the pressure drop for each stream.

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In an electricity-generating facility, steam leaves a turbine and is piped to a condensing unit. aft...

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