Africtionless, incompressible steady flow field is given by v = 2xyi − y2j (2) in arbitrary units. let the density be rhoo = constant and neglect gravity. find expressions for the pressure gradients in both the x and y directions.

pressure gradient in x direction:

pressure gradient in y direction:

Explanation:

Here the gravity is neglected and the field velocities is time independent, so we can use a simplify equation to Navier-Stokes.

V: Field Flow

ρ: Density

p: pressure

Before finding the pressure, let's define the components of the field vector.

Now, the x component pressure gradient will be:

We can apply the same analyze to find the y component of the pressure gradient. We just need to take the partial derivative from v.

I hope it helps you! :)

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation:

b) returns freshwater to the earth.

c) returns freshwater to the earth.c) occurs after condensation.

d) returns freshwater to the earth.c) occurs after condensation.d) roughly equal to the amount of evaporation.

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