Water flows through a horizontal tube of variable crosssection. The area of crosssection at A and B are 4 mm2 and 2 mm2 respectvely. If 1 cc of water enters per second through A, find (a) the speed of water at A, (b) the speed of water at B and (C) the pressure difference PA - PB
Given data:
Area of cross-section at A:
Area of cross-section at B:
Volume flow rate:
Solution:
(a)
Volume flow rate,
Speed of water at A:
(b)
Volume flow rate,
Speed of water at B:
(c)
From Bernoulli's equation:
Area of cross-section at A:
Area of cross-section at B:
Volume flow rate:
Solution:
(a)
Volume flow rate,
Speed of water at A:
(b)
Volume flow rate,
Speed of water at B:
(c)
From Bernoulli's equation: