5) During an experiment, a plate heat exchanger that is used to transfer heat from a hot-water stream to a cold-water stream is tested, and the following measurements are taken: Hot water Cold water stream stream Inlet temperature, "C Outlet temperature, C Volume flow rate, L/min 38.9 14.3 27.0 19.8 2.5 4.5 The heat transfer arca is calculated to be 0.0400 m. (a) Calculate the rate of heat transfer to the cold water. (b) Calculate the overall heat transfer coefficient. (c) Determine if the heat exchanger is truly adiabatic. If not, determine the fraction of heat loss and calculate the heat transfer efficiency. (d) Determine the effectiveness and the NTU values of the heat exchanger. (Answers: (a) 1724 W (b) 3017 Wiw C (c) the heat exchanger is not adiabatic so heat loss 16.4% and heat transfer efficiency 83.6% (d) effectiveness 44.4% and NTU 0.697)

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
icon
Related questions
Question
5) During an experiment, a plate heat exchanger that is used to transfer heat from a hot-water
stream to a cold-water stream is tested, and the following measurements are taken:
Hot water
Cold water
stream
stream
38.9
Inlet temperature, °C
Outlet temperature, "C
Volume flow rate, L/min
14.3
27.0
19.8
2.5
4.5
The heat transfer arca is calculated to be 0.0400 m.
(a) Calculate the rate of heat transfer to the cold water.
(b) Calculate the overall heat transfer coefficient.
(c) Determine if the heat exchanger is truly adiabatic. If not,
determine the fraction of heat loss and calculate the heat
transfer efficiency.
(d) Determine the effectiveness and the NTU values of the
heat exchanger.
(Answers: (a) 1724 W (b) 3017 Wiw C (c) the heat exchanger is not adiabatic so heat loss
16.4% and heat transfer efficiency 83.6% (d) effectiveness 44.4% and NTU 0.697)
Hot
water
38.9°C
19.8°C
Cold
water
14.3°C
27.0°C
Transcribed Image Text:5) During an experiment, a plate heat exchanger that is used to transfer heat from a hot-water stream to a cold-water stream is tested, and the following measurements are taken: Hot water Cold water stream stream 38.9 Inlet temperature, °C Outlet temperature, "C Volume flow rate, L/min 14.3 27.0 19.8 2.5 4.5 The heat transfer arca is calculated to be 0.0400 m. (a) Calculate the rate of heat transfer to the cold water. (b) Calculate the overall heat transfer coefficient. (c) Determine if the heat exchanger is truly adiabatic. If not, determine the fraction of heat loss and calculate the heat transfer efficiency. (d) Determine the effectiveness and the NTU values of the heat exchanger. (Answers: (a) 1724 W (b) 3017 Wiw C (c) the heat exchanger is not adiabatic so heat loss 16.4% and heat transfer efficiency 83.6% (d) effectiveness 44.4% and NTU 0.697) Hot water 38.9°C 19.8°C Cold water 14.3°C 27.0°C
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Heat Exchangers
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Elements Of Electromagnetics
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY