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Equation of continuity
1. Equation Of Continuity
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This expression is called the equation of continuity for fluids.
Equation14.7 showsthat the speedishighwhere the tube isconstricted(small A) andlow
where the tube iswide (large A).The productAv, whichhasthe dimensionsof volumeper
unittime,iscalledeitherthe volume flux orthe flowrate. The condition Avconstantis
equivalenttothe statementthatthe volume of fluidthatentersone endof atube ina given
time interval equalsthe volume leavingthe otherendof the tube inthe same time interval if
no leaksare present.