Air direction Figure 1: Airstream passing through a square flat plate. Question 2 In the engine oil industry, double-pipe counter-flow heat exchanger is used to cool the hot engine oil. The heat exchanger is consist of copper tubes for engine oil and water. During the cooling process, the mass flow rate of water through the inner tube is 0.8 kg/s, and the oil through the outer tube at a rate of 1.3 kg/s. The average temperatures of the water and the engine oil to be 40°C and 110°C, respectively, Given the diameter of inner tube is 3 cm and negligible thickness. The inner diameter of the outer tube is 4 cm. Determine the overall heat transfer coefficient of this heat exchanger.

Air direction Figure 1: Airstream passing through a square flat plate. Question 2 In the engine oil industry, double-pipe counter-flow heat exchanger is used to cool the hot engine oil. The heat exchanger is consist of copper tubes for engine oil and water. During the cooling process, the mass flow rate of water through the inner tube is 0.8 kg/s, and the oil through the outer tube at a rate of 1.3 kg/s. The average temperatures of the water and the engine oil to be 40°C and 110°C, respectively, Given the diameter of inner tube is 3 cm and negligible thickness. The inner diameter of the outer tube is 4 cm. Determine the overall heat transfer coefficient of this heat exchanger.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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