In a Shell and Tube Heat exchanger, an organic liquid is flowing at 3600 kg/h cooled from 90 ° C to 45° C with the help of cooling water available at 25 ° C. Maximum temperature of cooling water is not more than 15 °C from the inlet temperature. The water is flowing in shell side and organic liquid is in inner pipes. Outside diameter of inner pipe 4.2 cm Inside diameter of inner pipe 3.5 cm Organic fluid Water Density (kg/m3) Cp (kJ/kg K) 180 1000 1.7 4.21 Viscosity kg/ ms 0.45 x 10-3 1.1×10-3 Thermal conductivity W /m K 0.1420 0.180 Determine the value of inside heat transfer coefficient in W/m2 C Formula Nu = 0.023 (Re)0.8(Pr)0.33

Introduction to Chemical Engineering Thermodynamics
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ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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QUESTION6
In a Shell and Tube Heat exchanger, an organic liquid is flowing at 3600 kg/h cooled from 90 ° C to 45° C with the help of cooling water available at 25 ° C.
Maximum temperature of cooling water is not more than 15 °C from the inlet temperature. The water is flowing in shell side and organic liquid is
in inner pipes.
Outside diameter of inner pipe
4.2 cm
Inside diameter of inner pipe
3.5 cm
Organic fluid
Water
Density (kg/m3)
Cp (kJ/kg K)
Viscosity kg/ ms
180
1000
1.7
4.21
0.45 x 10-3
1.1×10-3
Thermal conductivity W /m K
0.1420
0.180
Determine the value of inside heat transfer coefficient in W/m2 C
Formula Nu = 0.023 (Re)0.8(Pr0.33
Transcribed Image Text:QUESTION6 In a Shell and Tube Heat exchanger, an organic liquid is flowing at 3600 kg/h cooled from 90 ° C to 45° C with the help of cooling water available at 25 ° C. Maximum temperature of cooling water is not more than 15 °C from the inlet temperature. The water is flowing in shell side and organic liquid is in inner pipes. Outside diameter of inner pipe 4.2 cm Inside diameter of inner pipe 3.5 cm Organic fluid Water Density (kg/m3) Cp (kJ/kg K) Viscosity kg/ ms 180 1000 1.7 4.21 0.45 x 10-3 1.1×10-3 Thermal conductivity W /m K 0.1420 0.180 Determine the value of inside heat transfer coefficient in W/m2 C Formula Nu = 0.023 (Re)0.8(Pr0.33
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