An acid (Cp = 2000 J/kg-K) is being cooled from 80 degC to 55 degC by heat exchange with water entering a 1-4 shell and tube heat exchanger at 35 degC and leaving at 61 degC. The total length of the tubes in the STHE is 45 m, fabricated from a 1-in Sch. 40 steel pipe (k = 45 W/m-K). Assume ho = 2200 W/m2-K and hi = 5000 W/m2-K. If the hot stream is placed in the tubes,   -What is the mass rate of the acid in kg/hr? -What is the overall heat transfer coefficient (W/m2-K) -

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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An acid (Cp = 2000 J/kg-K) is being cooled from 80 degC to 55 degC by heat exchange with water entering a 1-4 shell and tube heat exchanger at 35 degC and leaving at 61 degC. The total length of the tubes in the STHE is 45 m, fabricated from a 1-in Sch. 40 steel pipe (k = 45 W/m-K). Assume ho = 2200 W/m2-K and hi = 5000 W/m2-K. If the hot stream is placed in the tubes,

 

-What is the mass rate of the acid in kg/hr?

-What is the overall heat transfer coefficient (W/m2-K)

-

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