DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Chapter 16, Problem 34RQ
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Assume a Space Launch System (Figure 1(a)) that is approximated as a cantilever undamped single degree of freedom (SDOF) system with a mass at its free end (Figure 1(b)). The cantilever is assumed to be massless. Assume a wind load that is approximated with a concentrated harmonic forcing function p(t) = posin(ωt) acting on the mass. The known properties of the SDOF and the applied forcing function are given below. • Mass of SDOF: m =120 kip/g • Acceleration of gravity: g = 386 in/sec2 • Bending sectional stiffness of SDOF: EI = 1015 lbf×in2 • Height of SDOF: h = 2000 inches • Amplitude of forcing function: po = 6 kip • Forcing frequency: f = 8 Hz Figure 1: Single-degree-of-freedom system in Problem 1. Please compute the following considering the steady-state response of the SDOF system. Do not consider the transient response unless it is explicitly stated in the question. (a) The natural circular frequency and the natural period of the SDOF. (10 points) (b) The maximum displacement of…
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Chapter 16 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 16 - What type of product would be considered to be a...Ch. 16 - What were some of the earliest powder metallurgy...Ch. 16 - Prob. 3RQCh. 16 - Why might the term particulate processing be a...Ch. 16 - What are some of the primary market areas for P/M...Ch. 16 - Prob. 6RQCh. 16 - What are the four basic steps that are usually...Ch. 16 - Prob. 8RQCh. 16 - Prob. 9RQCh. 16 - Prob. 10RQ
Ch. 16 - Which of the powder manufacturing processes are...Ch. 16 - Why might the powdered material be heat�treated...Ch. 16 - Prob. 13RQCh. 16 - Prob. 14RQCh. 16 - Prob. 15RQCh. 16 - Prob. 16RQCh. 16 - Prob. 17RQCh. 16 - Prob. 18RQCh. 16 - Prob. 19RQCh. 16 - Prob. 20RQCh. 16 - Prob. 21RQCh. 16 - What is the benefit of a removable die set in a...Ch. 16 - What limits the cross�sectional area of most P/M...Ch. 16 - Prob. 24RQCh. 16 - Prob. 25RQCh. 16 - Prob. 26RQCh. 16 - Prob. 27RQCh. 16 - Prob. 28RQCh. 16 - Prob. 29RQCh. 16 - Prob. 30RQCh. 16 - Prob. 31RQCh. 16 - Prob. 32RQCh. 16 - Prob. 33RQCh. 16 - Prob. 34RQCh. 16 - Prob. 35RQCh. 16 - What types of atmospheres are used during...Ch. 16 - Prob. 37RQCh. 16 - What is the purpose of the sinter brazing process?Ch. 16 - Prob. 39RQCh. 16 - Prob. 40RQCh. 16 - Prob. 41RQCh. 16 - Prob. 42RQCh. 16 - Prob. 43RQCh. 16 - What is canning and decanning, and how do these...Ch. 16 - Prob. 45RQCh. 16 - Prob. 46RQCh. 16 - Prob. 47RQCh. 16 - Prob. 48RQCh. 16 - Prob. 49RQCh. 16 - Prob. 50RQCh. 16 - How is the metal powder used in metal injection...Ch. 16 - Prob. 52RQCh. 16 - Prob. 53RQCh. 16 - Prob. 54RQCh. 16 - Prob. 55RQCh. 16 - Prob. 56RQCh. 16 - Prob. 57RQCh. 16 - Prob. 58RQCh. 16 - Prob. 59RQCh. 16 - Prob. 60RQCh. 16 - Prob. 61RQCh. 16 - Prob. 62RQCh. 16 - Prob. 63RQCh. 16 - Prob. 64RQCh. 16 - Prob. 65RQCh. 16 - Prob. 66RQCh. 16 - Prob. 67RQCh. 16 - Give an example of a product where two or more...Ch. 16 - What are the primary assets or advantages of the...Ch. 16 - Prob. 70RQCh. 16 - Prob. 71RQCh. 16 - Prob. 72RQCh. 16 - Prob. 73RQCh. 16 - Prob. 74RQCh. 16 - Prob. 75RQCh. 16 - Prob. 76RQCh. 16 - Prob. 1PCh. 16 - Prob. 2PCh. 16 - Prob. 3PCh. 16 - Prob. 4PCh. 16 - Prob. 5PCh. 16 - Particulate materials can be made by a variety of...Ch. 16 - Prob. 7PCh. 16 - Briefly discuss the properties and characteristics...Ch. 16 - Based on the size, shape, and reasonable precision...Ch. 16 - Prob. 8CSCh. 16 - Prob. 9CSCh. 16 - Prob. 10CS
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- The design of the gear-and-shaft system shown requires that steel shafts of the same diameter be used for both AB and CD. It is further required that the angle D through which end D of shaft CD rotates not exceed 1.5°. Knowing that G = 77.2 GPa, determine the required diameter of the shafts. 40 mm 400 mm 100 mm 600 mm T-1000 N-m Darrow_forwardAssume a Space Launch System (Figure 1(a)) that is approximated as a cantilever undamped single degree of freedom (SDOF) system with a mass at its free end (Figure 1(b)). The cantilever is assumed to be massless. Assume a wind load that is approximated with a concentrated harmonic forcing function p(t) = posin(ωt) acting on the mass. The known properties of the SDOF and the applied forcing function are given below. • Mass of SDOF: m =120 kip/g • Acceleration of gravity: g = 386 in/sec2 • Bending sectional stiffness of SDOF: EI = 1015 lbf×in2 • Height of SDOF: h = 2000 inches • Amplitude of forcing function: po = 6 kip • Forcing frequency: f = 8 Hzarrow_forward13.44 The end of a cylindrical liquid cryogenic propellant tank in free space is to be protected from external (solar) radiation by placing a thin metallic shield in front of the tank. Assume the view factor Fts between the tank and the shield is unity; all surfaces are diffuse and gray, and the surroundings are at 0 K. Tank T₁ Shield, T T₁ = 100 K E1 Solar irradiation Gs ε₁ = ε₂ = 0.05 ε₁ = 0.10 Gs = 1250 W/m² E2 Find the temperature of the shield T, and the heat flux (W/m²) to the end of the tank.arrow_forward
- question 664 thank youarrow_forward13.38 Consider the attic of a home located in a hot climate. The floor of the attic is characterized by a width of L₁ = 8 m while the roof makes an angle of 0 = 30° from the horizontal direction, as shown in the schematic. The homeowner wishes to reduce the heat load to the home by adhering bright aluminum foil (ε = 0.07) onto the surfaces of the attic space. Prior to installation of the foil, the surfaces are of emissivity & = 0.90. Attic A2, 82, T2 0 = 30° A1, E1, T₁ 土 L₁ = 8 m (a) Consider installation on the bottom of the attic roof only. Determine the ratio of the radiation heat transfer after to before the installation of the foil. (b) Determine the ratio of the radiation heat transfer after to before installation if the foil is installed only on the top of the attic floor. (c) Determine the ratio of the radiation heat transfer if the foil is installed on both the roof bottom and the floor top.arrow_forward13.1 Determine F2 and F2 for the following configura- tions using the reciprocity theorem and other basic shape factor relations. Do not use tables or charts. (a) Small sphere of area A, under a concentric hemi- sphere of area A₂ = 3A₁ A₂ A1 (a) (b) Long duct. Also, what is F₁₂? A₂ Αν (b) (c) Long inclined plates (point B is directly above the center of A₁) B 100 mm A₂ - 220 mm (c) (d) Long cylinder lying on infinite plane + A₁ Az (d) (e) Hemisphere-disk arrangement -A₂, hemisphere, diameter D A₂ A₁, disk, diameter D/2 (e) (f) Long, open channel 1 m AA₂ 2 m (f) (g) Long cylinders with A₁ = 4A₁. Also, what is F₁₂? -D₁ A1 -A₂ -D2 (e) (h) Long, square rod in a long cylinder. Also, what is F22? w=D/5 18 A₁ -A2 (h) -Darrow_forward
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- ११११११११ TABLE Much 160,000kg Croll 0,005 CD Ap Par ng При nchs 0.15 5m² 1.2kg/m³ 0.98 0.9 0,98 0,9 0,88 IF 20 10 to add The train is going to make several stops along its journey. It will be important for the train to accelerate quickdy to get back up to speed. In order to get Tesla Model S motors until we get the combined The Forque and power needed we are goins bined power and forque needed to accelerate from 0 to 324 km/hr in less than 5 Minutes. Tesla Prated 270 kW Tesla Trated Twheel ng Jaxle 440 NM 20 8.5kgm² 0.45M a) What is the minimum whole number of Tesla Motors required to achieve accelerate the train from 0 to 324 km/hr in less than 5 Nnutes? Seperate the acceleration into constant torque and constant power 0. b) How long does it take the train to accelerate from 0 to 324 km/hr with the number of Tesla motors from part a? c) Using Matlab plot the relocity profile as a function of time, Is this a constant acceleration profile? Barrow_forwardExample find f(t)? -4s F(s)= (s² + 4)²arrow_forwarddraw a kinematic diagramarrow_forward
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