Applied Statics and Strength of Materials (6th Edition)
Applied Statics and Strength of Materials (6th Edition)
6th Edition
ISBN: 9780133840544
Author: George F. Limbrunner, Craig D'Allaird, Leonard Spiegel
Publisher: PEARSON
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Chapter 18, Problem 18.17P
To determine

Determine the lightest W14 for a subjected load of 360 kips

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2. Consider a polymeric membrane within a 6 cm diameter stirred ultrafiltration cell. The membrane is 30 μm thick. The membrane has pores equivalent in size to a spherical molecule with a molecular weight of 100,000, a porosity of 80%, and a tortuosity of 2.5. On the feed side of the membrane, we have a solution containing a protein at a concentration of 8 g L-1 with these properties: a = 3 nm and DAB = 6.0 × 10-7 cm² s¹. The solution viscosity is 1 cP. The hydrodynamic pressure on the protein side of the membrane is 20 pounds per square inch (psi) higher than on the filtrate side of the membrane. Assume that the hydrodynamic pressure difference is much larger than the osmotic pressure difference (advection >> diffusion). Determine the convective flow rate of the solution across the membrane.
1. Calculate the filtration flow rate (cm³ s¹) of a pure fluid across a 100 cm² membrane. Assume the viscosity (µ) of the fluid is 1.8 cP. The porosity of the membrane is 40% and the thickness of the membrane is 500 μm. The pores run straight through the membrane and these pores have a radius of 0.225 μm. The pressure drop applied across the membrane is 75 psi. (Note: 1 cP = 0.001 N s m²² = 0.001 Pa s.)
3. Tong and Anderson (1996) obtained for BSA the following data in a polyacrylamide gel for the partition coefficient (K) as a function of the gel volume fraction (4). The BSA they used had a molecular weight of 67,000, a molecular radius of 3.6 nm, and a diffusivity of 6 × 10-7 cm2 s-1. Compare the Ogston equation K=exp + to their data and obtain an estimate for the radius of the cylindrical fibers (af) that comprise the gel. Hint: You will need to plot Ink as a function of gel volume fraction as part of your analysis. Please include your MATLAB, or other, code with your solution. Gel Volume Fraction (4) KBSA 0.00 1.0 0.025 0.35 0.05 0.09 0.06 0.05 0.075 0.017 0.085 0.02 0.105 0.03

Chapter 18 Solutions

Applied Statics and Strength of Materials (6th Edition)

Ch. 18 - For Problems 18.11 through 18.17, unless otherwise...Ch. 18 - For Problems 18.11 through 18.17, unless otherwise...Ch. 18 - For Problems 18.11 through 18.17, unless otherwise...Ch. 18 - For Problems 18.11 through 18.17, unless otherwise...Ch. 18 - For Problems 18.11 through 18.17, unless otherwise...Ch. 18 - For Problems 18.11 through 18.17, unless otherwise...Ch. 18 - Prob. 18.17PCh. 18 - For Problems 18.18 through 18.21, use the...Ch. 18 - For Problems 18.18 through 18.21, use the...Ch. 18 - For Problems 18.18 through 18.21, use the...Ch. 18 - For Problems 18.18 through 18.21, use the...Ch. 18 - For Problems 18.22 through 18.26, assume normal...Ch. 18 - For Problems 18.22 through 18.26, assume normal...Ch. 18 - For Problems 18.22 through 18.26 assume normal...Ch. 18 - For Problems 18.22 through 18.26, assume normal...Ch. 18 - For Problems 18.22 through 18.26, assume normal...Ch. 18 - For the following computer problems, any...Ch. 18 - For the following computer problems, any...Ch. 18 - Calculate the Euler buckling load for an axially...Ch. 18 - 18.32 Calculate the Euler buckling load for an...Ch. 18 - 18.33 A structural steel shape of ASTM A992 steel...Ch. 18 - Calculate the Euler buckling load for a...Ch. 18 - 18.35 Rework Problem 18.34 assuming that the...Ch. 18 - 18.36 A built-up steel column is made by welding a...Ch. 18 - A 2-in-diameter standard-weight steel pipe is used...Ch. 18 - A structural steel column is 30 ft long and must...Ch. 18 - 18.39 Compute the allowable axial compressive load...Ch. 18 - 18.40 Determine the allowable axial compressive...Ch. 18 - 18.41 Using the AISC column approach, compute the...Ch. 18 - Using the AISC column equations, select the...Ch. 18 - Select the lightest extrastrong steel pipe section...Ch. 18 - 18.44 Compute the required diameter of a steel...Ch. 18 - 18.45 A 19-mm-diameter steel rod is 350 mm in...Ch. 18 - 18.46 A pin-connected linkage bar is 16 in. long...Ch. 18 - Prob. 18.47SPCh. 18 - Prob. 18.48SPCh. 18 - Prob. 18.49SPCh. 18 - Prob. 18.50SPCh. 18 - Prob. 18.51SP
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Column buckling; Author: Amber Book;https://www.youtube.com/watch?v=AvvaCi_Nn94;License: Standard Youtube License