Question: A sugar solution is heated from 1 0 deg C to 1 5 deg C in a double - pipe heat exchanger with

A sugar solution is heated from 10\deg C to 15\deg C in a double-pipe heat exchanger with water flowing countercurrently, which cools from 49\deg C to 27\deg C. The sugar solution flows at a flow rate of 14400 kg/hour in a pipe with an outer diameter of 8 mm and an inner diameter of 5 mm. Ignore the resistances on the pipe wall and water side. Calculate the length of the pipe.

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