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A hot fluid passes through a thin-walled tube of 10-mm diameter and 1-m length, and a coolant at T = 25°C is in cross flow over the tube. When the flow rate is m = 18 kg/h and the inlet temperature is Tm,i = 85°C, the outlet temperature is Tm,o = 78°C. Hot fluid Tm,i=85°C Coolant T = 25°C Tube, D = 10 mm, L=1m Tm,o=78°C

A hot fluid passes through a thin-walled tube of 10-mm diameter and 1-m length, and a coolant at T = 25°C is in cross flow over the tube. When the flow rate is m = 18 kg/h and the inlet temperature is Tm,i = 85°C, the outlet temperature is Tm,o = 78°C. Hot fluid Tm,i=85°C Coolant T = 25°C Tube, D = 10 mm, L=1m Tm,o=78°C

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A hot fluid passes through a thin-walled tube of 10-mm diameter and 1-m length, and a coolant at T = 25°C is in cross flow over the tube. When the flow rate is m 18 kg/h and the inlet temperature is Tm,i = 85°C, the outlet temperature is Tm,0 = 78°C. Hot fluid Tmi = 85°C m = 18 kg/h Coolant T = 25°C - Tube, D = 10 mm, L=1m Tm,o= 78°C Assuming fully developed flow and thermal conditions in the tube, determine the outlet temperature, Tm,o, if the flow rate is increased by a factor of 2. That is, m = 36 kg /h, with all other conditions the same. The thermophysical properties of the hot fluid are p = 1079 kg/m³, cp = 2637 J/kg · K, µ = 0.0034 N s/m², and k = 0.261 W/m. K.
Transcribed Image Text:A hot fluid passes through a thin-walled tube of 10-mm diameter and 1-m length, and a coolant at T = 25°C is in cross flow over the tube. When the flow rate is m 18 kg/h and the inlet temperature is Tm,i = 85°C, the outlet temperature is Tm,0 = 78°C. Hot fluid Tmi = 85°C m = 18 kg/h Coolant T = 25°C - Tube, D = 10 mm, L=1m Tm,o= 78°C Assuming fully developed flow and thermal conditions in the tube, determine the outlet temperature, Tm,o, if the flow rate is increased by a factor of 2. That is, m = 36 kg /h, with all other conditions the same. The thermophysical properties of the hot fluid are p = 1079 kg/m³, cp = 2637 J/kg · K, µ = 0.0034 N s/m², and k = 0.261 W/m. K.
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