Homework No 4

# Homework No 4 - Homework No 4 1 ChE 354 Fall'07 Prof Poehl...

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Homework No. 4 ChE 354 Fall ’07 Prof. Poehl 4 Problems (2 pages) 1. After being told to leave the monastery by the Elder Zosima, Alexei Fyodorovich Karamazov has decided to become a chemical engineer (or “химически инженер”), doing 19 th century research on packed beds. In one of his experiments, air at 100 F is flowing through a packed bed of spheres having a diameter of 0.5 inches. The void fraction ( ε ) of the bed is 0.38 and the bed diameter is 2 feet. The bed height is 8 feet. If the air enters at 16.2 psia at a rate of 47.5 lb/min calculate the pressure drop of the bed in psi. 2. After being wrongfully convicted of the murder of his father Fyodor Pavlovich Karamazov, Dmitri Fyodorovich Karamazov flees to America with Agrafena Alexandrovna Svetlova, where he decides to become a chemical engineer like his brother Alexei Fyodorovich. In his research, he builds a packed bed composed of cubes 0.02 m on a side. The bulk density of the packed bed is 980 kg/m 3 , and the

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## This homework help was uploaded on 04/17/2008 for the course CHE 353 taught by Professor Poehl during the Fall '07 term at University of Texas.

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Homework No 4 - Homework No 4 1 ChE 354 Fall'07 Prof Poehl...

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