please do it by computer typing You as a Biochemical Engineer in an ezyme industries is assigned to handle a counterflow double pipe heat exchanger with A,= 9 m2 which used for cooling a fermentationbroth (c, = 3.15 kJ/kg. K) at a rate of 10 kg/s with an inlet temperature of 90°C. Thewater used as coolant enters the heat exchanger at a rate of 8 kg/s with an inlettemperature of 10°C. The plant data gave the following equation for the overall heattransfer coefficient (in W/m².K):600%3D12• U.8|m.wherem.and m, are the cold and hot stream flow rates in kg/s, respectively. (a) Draw complete schem atic diagram of this heat exchanger. Calculate the rate of heattransfer and the outlet stream temperature for this unit.(b) The existing unit is to be replaced. A vendor is offering a very attractive discounton two identical heat exchangers that are presently stocked in its warehouse, eachwith area of 5.5 m?Because the tube diameters in the existing and new units are the same, the aboveheat transfer coefficient equation is expected to be valid for the new units as well.The vendor is proposing that the two new units could be operated in parallel, suchthat each unit would process exactly one-half the flow rate of each of the hot andcold streams in a counterflow m anner, hence, they together would meet (or exceed)the present plant heat duty. Draw a complete schematic diagram of the new heatexchangers. Suggest what should be the diameter and length. Give yourrecommendation, with supporting calculations on this replacement proposal.Compare perform ance of both heat exchanger.

Given DataA=9m2mh˙=10kg/smc˙=8kg/s ***As per our company policy we are supposed to do only 1…

Answered: (a) Draw complete schematic diagram of…

(a) Draw complete schematic diagram of this heat exchanger. Calculate the rate of heat transfer and the outlet stream temperature for this unit.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.46P

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