
EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Chapter 38, Problem 16RQ
To determine
What do the Opitz and KK-3 systems have in common?
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2. Jojoba oil is flowing through a ¾-nom stainless steel pipe at a flow rate of 1,850 lbm/h. After
the velocity profile in the pipe is fully developed, the oil enters a heater, as shown in Figure P5.7.
The length of the heater section is 5 ft. The properties of the jojoba oil at the average temperature
in the heater section are given in Table P5.7. Determine the convective heat transfer coefficient
inside the heater section of the
pipe.
¾ nom stainless steel pipe
Heater section
L=5ft
Fig. P5.7
TABLE P5.7
Thermophysical Properties of Jojoba Oil at the Average Temperature in the Heater
P
(lbm/ft³)
68.671
(Btu/lbm-R)
0.30339
μ
(lbm/ft-s)
0.012095
k
(Btu/h-ft-°F)
0.077424
1. Water is flowing inside of a 3-std type K copper tube at a flow rate of 1.2 kg/s. The average
temperature of the water is 50°C. Cold, dry air at a temperature of 5°C and atmospheric pressure
flows outside of the tube in cross flow with a velocity of 85 m/s. Determine the UA product for
this tube under clean conditions.
Hints: Find the closed loop transfer function and then plot the step response for diFerentvalues of K in MATLAB. Show step response plot for different values of K.
Auto Controls
Show solutions and provide matlab code
NO COPIED ANSWERS OR WILL REPORT!!!!
Chapter 38 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 38 - In what ways have computers had an impact on...Ch. 38 - Describe the benefits of computer-integrated...Ch. 38 - What is a database? Why is it necessary?Ch. 38 - What is an STL file? What is it popularly used...Ch. 38 - What are the differences between the terms...Ch. 38 - Prob. 6RQCh. 38 - What do the following abbreviations mean:...Ch. 38 - Prob. 8RQCh. 38 - Describe the purposes of process planning. How...Ch. 38 - Describe the features of a routing sheet. Why is...
Ch. 38 - What are the advantages of simulation of...Ch. 38 - What is group technology? Why was it...Ch. 38 - Explain the three types of GT coding:...Ch. 38 - Describe what is meant by the term...Ch. 38 - What does classification and coding mean in...Ch. 38 - Prob. 16RQCh. 38 - Describe your observations regarding Figs. 38.1...Ch. 38 - Prob. 19QLPCh. 38 - Give examples of primitives of solids other than...Ch. 38 - Describe your understanding of the octree...Ch. 38 - Explain the logic behind the arrangements shown...Ch. 38 - Prob. 23QLPCh. 38 - What is the difference between a variant system...Ch. 38 - Referring to Fig. 38.3, explain the advantages ofa...Ch. 38 - Prob. 26QLPCh. 38 - Describe situations that would require a design...Ch. 38 - Prob. 28QLPCh. 38 - How would you describe the principle of...Ch. 38 - Review various manufactured parts illustrated in...Ch. 38 - Think of a simple part and make a decision-tree...Ch. 38 - Review the machine arrangements in Fig. 38.12...Ch. 38 - Think of a simple product and make a routing...Ch. 38 - Review Fig. 38.9, and prepare a routing sheet for...
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