Fundamentals Of Engineering Thermodynamics
Fundamentals Of Engineering Thermodynamics
9th Edition
ISBN: 9781119391388
Author: MORAN, Michael J., SHAPIRO, Howard N., Boettner, Daisie D., Bailey, Margaret B.
Publisher: Wiley,
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A 3-in.-radius drum is rigidly attached to a 5-in.-radius drum as shown. One of the drums rolls without sliding on the surface shown, and a cord is wound around the other drum. Knowing that at the instant shown. point A has a velocity of 4.875 in./sin./s and an acceleration of 15.50 in./s2in./s2 , both directed to the right, determine the accelerations of points A, B, and C of the drums. The cord is wound around the 3 inch radius drum. Point B is at the bottom of the 5 inch radius drum. Point A is at the bottom of the 3 inch radius drum. Point C is on the right edge of the 5 inch radius drum.   The accelerations of point B is ______  in./s2 The accelerations of point A is ______  in./s2  _____⦨  °.  The accelerations of point C is _______ in./s2 ____  ⦪  °.
The average heat transfer coefficent for airflow over an odd shaped body is to be determined by mass transfer measurements and using the Chilton-Colburn analogy btwn heat and mass transfer. The experiemnt is conducted by blowing dry air at 1 atm at a free-stream velocity of 2 m/s over a body covered with a layer of naphthalene. The surface area of the body is .75 m^2, and it is observed that 100 g of maphthalene has sublimated in 45 min. During the experiemnt, both the body and the air were kep at 25oC, at which the vapor pressure and mass diffusivity of naphthalene are 11 Pa and Dab=0.61*10^-5 m^2/s respectively. Determine the heat transfer coefficent under the same flow conditions over the same geometry.
Auto Controls   Design a PID controller for thefollowing system so that the modified system satisfies the followingspecifications : 1. settling time ,ts = 1.96 s and % Overshoot Mp = 70.7 %   Assume a non-dominant pole at  s = -15 to solve the problem     The plot the compensated andThen plot the uncompensated system in MATLAB.   what can you see from the plot ? what is your observation ?
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