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A chemical process stream enters a shell-and-tube exchanger at a temperature of 200 °F and does...

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Chemistry

A chemical process stream enters a shell-and-tube exchanger at atemperature of 200 °F and does two passes on the shell side,exiting the exchanger at 170 °F. For this particulate scenario, theheat exchanger has 200 stainless steel tubes that are 2-in. OD and10 ft long. Indicate whether the temperature of the process streamwill increase, decrease, or remain the same under the followingscenarios. Justify your answer. a) The flow rate of the coolingfluid is increased. b) There are 100 tubes that are 1.5-in. OD and26.6 ft long. c) The number of shell passes is doubled. d) The tubematerial is changed to copper.

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4.2 Ratings (557 Votes)
Heat transferred Q UALMTD U overall heat transfer coefficient 1hi 1ho where hi and ho are shell side and tube side heat transfer coefficients a A heat transfer area nPIdL n number of tubes d diameter of tube and L length of tubes A 2003142212ft10    See Answer
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