Benzene with a flow rate of 200 t / h and an average temperature of 30 ° C enters the tube bundle of a single-pass shell-and-tube heat exchanger, consisting of 710 pipes with a diameter of d × δ = 20 × 2 mm. Determine the speed of benzene in the tubes of the tube bundle and the mode of its movement in them.
Given: M = 200t / h = 55.56kg / s; t = 30ºС; n is 710; d × δ = 20 × 2 mm
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