QUESTION 5 The mass flowrate, specific heat, and inlet temperature of the tube-side stream in a double pipe, parallel flow heat exchanger are 3200 kg/h, 2.0 kJ/kg.ºC, and 120 °C respectively. The mass flowrate, specific heat, and inlet temperature of the other stream are 2000 kg/h, 4.2 kJ/kg.°C, and 20 °C respectively. The heat transfer area and overall heat transfer coefficient are 0.5 m? and 2.0 kW/m2.°C, respectively. Discuss your answers by comparing the both methods. Propose the best method for the evaluation of the outlet temperatures of both streams in steady operation by considering the LMTD method and the effectiveness-NTU method. ii. Discuss your answers by comparing the both methods.
QUESTION 5 The mass flowrate, specific heat, and inlet temperature of the tube-side stream in a double pipe, parallel flow heat exchanger are 3200 kg/h, 2.0 kJ/kg.ºC, and 120 °C respectively. The mass flowrate, specific heat, and inlet temperature of the other stream are 2000 kg/h, 4.2 kJ/kg.°C, and 20 °C respectively. The heat transfer area and overall heat transfer coefficient are 0.5 m? and 2.0 kW/m2.°C, respectively. Discuss your answers by comparing the both methods. Propose the best method for the evaluation of the outlet temperatures of both streams in steady operation by considering the LMTD method and the effectiveness-NTU method. ii. Discuss your answers by comparing the both methods.
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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Transcribed Image Text:QUESTION 5
The mass flowrate, specific heat, and inlet temperature of the tube-side stream in a double pipe, parallel
flow heat exchanger are 3200 kg/h, 2.0 kJ/kg.ºC, and 120 °C respectively. The mass flowrate, specific
heat, and inlet temperature of the other stream are 2000 kg/h, 4.2 kJ/kg.°C, and 20 °C respectively. The
heat transfer area and overall heat transfer coefficient are 0.5 m² and 2.0 kW/m2.°C, respectively.
Discuss your answers by comparing the both methods.
i.
Propose the best method for the evaluation of the outlet temperatures of both streams in steady
operation by considering the LMTD method and the effectiveness-NTU method.
ii.
Discuss your answers by comparing the both methods.
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