Chemical Engineering - Heat Transfer - Discussion
Discussion Forum : Heat Transfer - Section 1 (Q.No. 21)
21.
Hot water (0.01 m3 /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m3/min) of density 800 kg/m3 and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately
Discussion:
36 comments Page 3 of 4.
Ashwin said:
9 years ago
36.69 is the answer in the case of counter current flow.
Sandip said:
9 years ago
@JAYESH There is 50 instead of 30. So the ans is 36.66.
Mujahid Yusuf Barde said:
7 years ago
The answer is 36.5 = 37 ° considering counterflow.
Anon said:
2 years ago
how did u guys get 35.75 deg C as outlet temp of oil?
(1)
Ankush said:
1 decade ago
Answer is 37. Since its a counter current flow.
Danish said:
8 years ago
37 (for counter flow).
32 (for parallel flow).
32 (for parallel flow).
Rana Rohan said:
6 years ago
Given answer is right for co-current.
Monil said:
7 years ago
How to put t2=35.54?
Please explain.
Please explain.
Zubair Farooq said:
7 years ago
Log mean Temp Diff = T2-T1/ln(T2/T1).
Ritik said:
7 years ago
Thanks for your answer @Shan Rana.
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