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3 years ago

In the fully developed region of flow in a circular pipe, does the velocity profile change in the flow direction?

Engineering

1 answer:

taurus [48]3 years ago

3 0

Answer:

No, the velocity profile does not change in the flow direction.

Explanation:

In a fluid flow in a circular pipe, the boundary layer thickness increases in the direction of flow, until it reaches the center of the pipe, and fill the whole pipe. If the density, and other properties of the fluid does not change either by heating or cooling of the pipe, then the velocity profile downstream becomes fully developed, and constant, and does not change in the direction of flow.

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Hacking is correcttttttttt

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3 years ago

A glass plate is subjected to a tensile stress of 40 MPa. If the specific surface energy is 0.3 J/m2 and the modulus of elastici

Pavlova-9 [17]

Answer:

8.24μm

Explanation:

The theory of brittle fracture was used to solve this problem.

And if you follow through with the attachment made a the subject of the formula

Such that,

a = 2x(69x10⁹)x0.3/pi(40x10⁶)²

= 4.14x10¹⁰/5.024x10¹⁵

= 8.24x10^-06

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3 years ago

what is called periodic function give example? Plot the output which is started with zero degree for one coil rotating in the un

marta [7]

Answer:

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Explanation:

A periodic function is a function that returns to its value over a certain period at regular intervals an example is the wave form of flux density (B) = sin wt

attached to the answer is a free plot of the output starting with zero degree for one coil rotating in a uniform magnetic field

B ( wave flux density ) = Bm sinwt and w = 2 $\pi$ f = $\frac{2\pi }{T}$ rad/sec

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2 years ago

How may acres of land are estimated to be lost each day to development?

Law Incorporation [45]

175 acres per hour of agricultural land lost to development – 3 acres per minute.

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3 years ago

The chart describes four people’s credit histories.

icang [17]

Answer:

D). Eesha pays more than the minimum payment each month.

Explanation:

Eesha would be considered most creditworthy among the given persons as she not only pays on time but also repays more than the minimum amount assigned to pay each month. In order to test the creditworthiness of an individual, his ontime debt paying capability is tested at first followed by the past credit repayment history and the credit score. Except Eesha, all the given candidates have failed to make timely repayment of their debts and hence, they cannot be considered creditworthy.

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3 years ago

Read 2 more answers