Crude oil, cp = 1.9 kJ/(kg.K), flows at a rate of 0.32 kg/s through the inner pipe of a tube-in-tube heat exchanger and it is heated from 29 °C to 96 °C. Another hydrocarbon, cp = 2.50 kJ/(kg.K), enters at 240 °C. The overall coefficient of heat transfer is found to be 4200 W/(m².K). Determine for a minimum temperature difference of 20 °C between the hot and cold fluids: a) the LMTD for parallel flow and for counterflow heat exchanger; b) the surface area for both heat exchanger configurations; c) mass flow rate of hot fluid for both heat exchanger configurations.
Crude oil, cp = 1.9 kJ/(kg.K), flows at a rate of 0.32 kg/s through the inner pipe of a tube-in-tube heat exchanger and it is heated from 29 °C to 96 °C. Another hydrocarbon, cp = 2.50 kJ/(kg.K), enters at 240 °C. The overall coefficient of heat transfer is found to be 4200 W/(m².K). Determine for a minimum temperature difference of 20 °C between the hot and cold fluids: a) the LMTD for parallel flow and for counterflow heat exchanger; b) the surface area for both heat exchanger configurations; c) mass flow rate of hot fluid for both heat exchanger configurations.
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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![Crude oil, cp = 1.9 kJ/(kg.K), flows at a rate of 0.32 kg/s through the inner pipe of a tube-in-tube
heat exchanger and it is heated from 29 °C to 96 °C. Another hydrocarbon, cp = 2.50 kJ/(kg.K),
enters at 240 °C. The overall coefficient of heat transfer is found to be 4200 W/(m².K). Determine
for a minimum temperature difference of 20 °C between the hot and cold fluids: a) the LMTD
for parallel flow and for counterflow heat exchanger; b) the surface area for both heat
exchanger configurations; c) mass flow rate of hot fluid for both heat exchanger configurations.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca602c42-39ee-4a22-8258-d9d2d5df0039%2Fa9c503eb-ba82-4f26-bcd5-9c77c3da58b4%2F3by4ahn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Crude oil, cp = 1.9 kJ/(kg.K), flows at a rate of 0.32 kg/s through the inner pipe of a tube-in-tube
heat exchanger and it is heated from 29 °C to 96 °C. Another hydrocarbon, cp = 2.50 kJ/(kg.K),
enters at 240 °C. The overall coefficient of heat transfer is found to be 4200 W/(m².K). Determine
for a minimum temperature difference of 20 °C between the hot and cold fluids: a) the LMTD
for parallel flow and for counterflow heat exchanger; b) the surface area for both heat
exchanger configurations; c) mass flow rate of hot fluid for both heat exchanger configurations.
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