Engineering Your Future
9th Edition
ISBN: 9780190279264
Author: William C. Oakes, Les L. Leone
Publisher: Oxford University Press, USA
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Chapter 17, Problem 17.68EAA
To determine
The value of current
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5. (计算题)
Calculate the DOF of following mechanisms. If there are compound hinge, passive DOF or Redundant Constraint, please point
them out.
品
⑤A
(a) 凸轮拨杆机构
6.(计算题)
Calculate the DOF of following mechanisms. If there are compound hinge, passive DOF or Redundant Constraint, please point
them out.
E
D
A
B
C
F
A hot surface at 150°C is to be cooled by attaching 3-cm-long, 0.25-cm-diameter aluminum pin fins (k = 237 W/m-K) to it, with a center-
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35 W/m²K. Determine the rate of heat transfer from the surface for a 1-m × 1-m section of the plate. Also determine the overall
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0.6 cm
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The fin effectiveness is
Chapter 17 Solutions
Engineering Your Future
Ch. 17 - Prob. 17.1EAACh. 17 - Prob. 17.2EAACh. 17 - Prob. 17.3EAACh. 17 - Prob. 17.4EAACh. 17 - Prob. 17.5EAACh. 17 - Prob. 17.6EAACh. 17 - Prob. 17.7EAACh. 17 - Prob. 17.8EAACh. 17 - Prob. 17.9EAACh. 17 - Prob. 17.10EAA
Ch. 17 - Prob. 17.11EAACh. 17 - Prob. 17.12EAACh. 17 - Prob. 17.13EAACh. 17 - Prob. 17.14EAACh. 17 - Prob. 17.15EAACh. 17 - Prob. 17.16EAACh. 17 - Prob. 17.17EAACh. 17 - Prob. 17.18EAACh. 17 - Prob. 17.19EAACh. 17 - Prob. 17.20EAACh. 17 - Prob. 17.21EAACh. 17 - Prob. 17.22EAACh. 17 - Prob. 17.23EAACh. 17 - Prob. 17.24EAACh. 17 - Prob. 17.25EAACh. 17 - Prob. 17.26EAACh. 17 - Prob. 17.27EAACh. 17 - Prob. 17.28EAACh. 17 - Prob. 17.29EAACh. 17 - Prob. 17.30EAACh. 17 - Prob. 17.31EAACh. 17 - Prob. 17.32EAACh. 17 - Prob. 17.33EAACh. 17 - Prob. 17.34EAACh. 17 - Prob. 17.35EAACh. 17 - Prob. 17.36EAACh. 17 - Prob. 17.37EAACh. 17 - Prob. 17.38EAACh. 17 - Prob. 17.39EAACh. 17 - Prob. 17.40EAACh. 17 - Prob. 17.41EAACh. 17 - Prob. 17.42EAACh. 17 - Prob. 17.43EAACh. 17 - Prob. 17.44EAACh. 17 - Prob. 17.45EAACh. 17 - Prob. 17.46EAACh. 17 - Prob. 17.47EAACh. 17 - Prob. 17.48EAACh. 17 - Prob. 17.49EAACh. 17 - Prob. 17.50EAACh. 17 - Prob. 17.51EAACh. 17 - Prob. 17.52EAACh. 17 - Prob. 17.53EAACh. 17 - Prob. 17.54EAACh. 17 - Prob. 17.55EAACh. 17 - Prob. 17.56EAACh. 17 - Prob. 17.57EAACh. 17 - Prob. 17.58EAACh. 17 - Prob. 17.59EAACh. 17 - Prob. 17.60EAACh. 17 - Prob. 17.61EAACh. 17 - Prob. 17.62EAACh. 17 - Prob. 17.63EAACh. 17 - Prob. 17.64EAACh. 17 - Prob. 17.65EAACh. 17 - Prob. 17.66EAACh. 17 - Prob. 17.67EAACh. 17 - Prob. 17.68EAACh. 17 - Prob. 17.69EAACh. 17 - Prob. 17.70EAACh. 17 - Prob. 17.71EAACh. 17 - Prob. 17.72EAACh. 17 - Prob. 17.73EAACh. 17 - Prob. 17.74EAACh. 17 - Prob. 17.75EAACh. 17 - Prob. 17.76EAACh. 17 - Prob. 17.77EAACh. 17 - Prob. 17.78EAACh. 17 - Prob. 17.79EAACh. 17 - Prob. 17.80EAACh. 17 - Prob. 17.81EAACh. 17 - Prob. 17.82EAACh. 17 - Prob. 17.83EAACh. 17 - Prob. 17.84EAACh. 17 - Prob. 17.85EAACh. 17 - Prob. 17.86EAA
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- Consider a stainless steel spoon (k = 8.7 Btu/h·ft·°F) partially immersed in boiling water at 200°F in a kitchen at 75°F. The handle of the spoon has a cross section of 0.08 in × 0.5 in and extends 7 in in the air from the free surface of the water. The heat transfer coefficient at the exposed surfaces of the spoon handle is 3 Btu/h·ft2·°F. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A spoon is placed inside the container, such that the distance of the water level from the top end of the handle of the spoon is 7 meters. T sub air is indicated in the region outside the container. Identify the assumptions required to solve the problem. Check All That Apply One-dimensional heat transfer analysis is used to solve the problem. One-dimensional heat transfer analysis is used to solve the problem. Bi-dimensional heat transfer analysis is used to solve the problem. Bi-dimensional heat transfer analysis is…arrow_forwardA turbine blade made of a metal alloy (k=17 W/m-K) has a length of 5.3 cm, a perimeter of 11 cm, and a cross-sectional area of 5.13 cm². The turbine blade is exposed to hot gas from the combustion chamber at 1133°C with a convection heat transfer coefficient of 538 W/m²K. The base of the turbine blade maintains a constant temperature of 450°C and the tip is adiabatic. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Hot gas h=538 W/m²K -Turbine blade k = 17 W/m-K p=11 cm, L=5.3 cm A = 5.13 cm² -T=450°C Determine the heat transfer rate to the turbine blade. W. The heat transfer rate isarrow_forwardConsider a very long, slender rod. One end of the rod is attached to a base surface maintained at Tb, while the surface of the rod is exposed to an air temperature of 400°C. Thermocouples imbedded in the rod at locations 25 mm and 120 mm from the base surface register temperatures of 325°C and 375°C, respectively. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. . x1 32 x Calculate the rod base temperature (°C). The rod base temperature is °C. Air T∞arrow_forward
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