Elementary Principles 476 - 11.6 a. out L min = kV L b g bg...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
11- 5 11.6 a. ±± . ± ν out V out kV V out Lm in L bg b g =⇒ = = = 300 60 0 200 ± . out s V = = 20 0 100 L b . Balance on water: Accumulation = input – output (L/min). (Balance volume directly since density is constant) dV dt V tV =− == 200 0200 03 0 0 .. , c . dV dt VV ss ⇒ = 0 200 0 200 100 . L The plot of V vs. t begins at (t=0, V=300). When t=0, the slope (dV/dt) is 20 0 0 200 300 40 0 ( ) . . −= As t increases, V decreases. = dV dt V /. . 20 0 0 200 becomes less negative, approaches zero as t → ∞ . The curve is therefore concave up.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online