In many devices involved in energy industries, a fluid (liquidor gas) flows thro

Question

In many devices involved in energy industries, a fluid (liquidor gas) flows through a pipe. If the cross-sectional area ofa pipe is 2.0 m2, and the fluid in it has a speed of 1.5m/s: a) What is the volume flow rate in m3/s? (i.e.,what volume of fluid pass through any cross-section of the pipeevery second?) b) What mass of fluid passes through any cross-section of thepipe every second, if the fluid has a density of 1.0x103kg/m3? In many devices involved in energy industries, a fluid (liquidor gas) flows through a pipe. If the cross-sectional area ofa pipe is 2.0 m2, and the fluid in it has a speed of 1.5m/s: a) What is the volume flow rate in m3/s? (i.e.,what volume of fluid pass through any cross-section of the pipeevery second?) b) What mass of fluid passes through any cross-section of thepipe every second, if the fluid has a density of 1.0x103kg/m3?

Explanation / Answer

a) the volume flow rate : dV/dt = S*V*dt/dt = S*V= 2*1.3 = 3 m3/s b)the mass :
m= D*dV(1) = 1x10^3*3 = 3000kg

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