(a) Interpretation: The force should be determined for the given block of silicon carbide causing a fracture in it. Concept Introduction : The ratio of strength and stress in deformation is known as Flexural Modulus. We can determine the flexural modulus with the help of below-mentioned formula: E b e n d = L 3 F 4 wh 3 δ In the abovementioned formula, F = the fracture L= the distance between the two points w = width of the specimen h = height of the specimen δ = the deflection

Question

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.

Answer 1

Question

Chapter 6, Problem 6.48P

Interpretation Introduction

(a)

Interpretation:

The force should be determined for the given block of silicon carbide causing a fracture in it.

Concept Introduction:

The ratio of strength and stress in deformation is known as Flexural Modulus.

We can determine the flexural modulus with the help of below-mentioned formula:

Ebend=L3F4 wh3δ

In the abovementioned formula,

F = the fracture

L= the distance between the two points

w = width of the specimen

h = height of the specimen

δ = the deflection

Interpretation Introduction

(b)

Interpretation:

The flexural strength of the given block of silicon carbide should be determined.

Concept Introduction:

The ability of any specimen to undergo deformation under the influence of load is known as a Flexural strength.

We can determine the flexural strength with the help of below-mentioned formula:

σBend=3FL2wh2

In the above-mentioned formula,

F = the fracture

L= the distance between the two points

w = width of the specimen

h = height of the specimen

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