Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube?

Exit-fluid temperature > wall temperature
Exit fluid temperature
Exit fluid temperature = wall temperature
Graetz number > 100

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

Let'

4 views Answered 2022-09-01 13:21

Related Questions

What is the ratio of total kinetic energy of fluid passing per second to the value obtained on the basis of average velocity (for laminar flow through a circular pipe)?

1 Answers 4 Views

For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is?

1 Answers 8 Views

Fourier's law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body)?

1 Answers 4 Views

The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)?

1 Answers 23 Views

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)?

1 Answers 4 Views

For laminar flow of Newtonion fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to(where, μ = fluid viscosity )?

1 Answers 5 Views

The velocity at which the flow changes from laminar flow to turbulent flow is called?

1 Answers 5 Views

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be?

1 Answers 5 Views

In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?

1 Answers 5 Views

In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow?

1 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)