Question

if the value of reynold's number is 800 then the flow of liquid flow is _?​

Answer 1

Answer:

EYNOLDS NUMBER

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Reynolds number, in fluid mechanics, a criterion of whether fluid (liquid or gas) flow is absolutely steady (streamlined, or laminar) or on the average steady with small unsteady fluctuations (turbulent). Whenever the Reynolds number is less than about 2,000, flow in a pipe is generally laminar, whereas, at values greater than 2,000, flow is usually turbulent. Actually, the transition between laminar and turbulent flow occurs not at a specific value of the Reynolds number but in a range usually beginning between 1,000 to 2,000 and extending upward to between 3,000 and 5,000.

Answer 2

Answer:

The flow of liquid flow is laminar or streamlined if the value of Reynold's number is 800.

Explanation:

Reynold's number is ratio of inertial forces to the viscous force per unit area for flowing liquid.

• Reynold's number determines the difficulty in changing the velocity of any flowing liquid.

• Reynold's number has expression to find the nature of flow of a fluid.

        $N_r=\frac{v\rho r}{\eta}$

      where, v is velocity of flowing liquid, ρ is density of liquid, η is viscosity and r is the radius of the tube.

• Reynold's number is a unitless quantity which is denoted by Re.

• If the value of Reynold's number lies in between 0 to 2000 then the flow of the liquid is laminar.
• If the value of the Reynold's number lies in between 2000 to 3000 then the flow of the liquid is changing between laminar and turbulent.
• If the value of Reynold's number is above 4000 then the flow of liquid is turbulent.

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