ECE_3820_lecture_16_2011

# ECE_3820_lecture_16_2011 - Velocity at position 2 is 254.6...

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Today (10/25), lecture #16 1) General concepts of hemodynamics 2) Derive Poiseuille’s Law of flow rate Thursday (10/27), lecture #17 1) Quiz #7: Reading #7 and problem 3.1 of HW set #5. Bring your calculator. 2) Blood as a non-Newtonian fluid 3) Continuity equation 4) Equations of motion HW Set #5 is posted on the Blackboard site.

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Ritter 3.1 a) 0.0256 mmHg/mL/min b) If P2 remains at 4mmHg then P1 must increase to 124.69 mmHg. c) See table below Ch Rbefore (mmHg/mL/min) Rafter (mmHg/mL/min) Qbefore (mL/min) Qafter (mL/min) A 0.0738 0.0356 1300 2697 B 0.0873 0.0873 1100 1098 C 0.0711 0.0291 1350 3299 Ritter 3.2 Ventricular pressure at position 1 is 124.07 mmHg

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Unformatted text preview: Velocity at position 2 is 254.6 cm/sec Viscous fluid between parallel plates. The lower plate moves with velocity (V) in the positive x direction. No-slip boundary condition : fluid nearest the wall clings to the wall and moves at the same velocity as the wall. transient steady-state Laminar flow : fluid moves in sheet-like layers (lamellae) that slide in an orderly fashion. Steady-state flow in a rigid tube: Poiseuille’s Law L P R Q µ π 8 4 ∆ = Q=flowrate R=tube radius L=length of the tube ∆ P=pressure gradient μ=fluid viscosity Derivation will be discussed on the board....
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## This note was uploaded on 11/14/2011 for the course ECE 3820 taught by Professor Wang during the Fall '11 term at GWU.

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ECE_3820_lecture_16_2011 - Velocity at position 2 is 254.6...

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