Question

Biotransport page 1 of HW02 Due: 9/10 Evaluation Prob Pts la) 2 lb) 2 2b) 2 2c) 2 1. Given: Apply conservation principles ·Apply empirical laws Make simplifying assumptions E, R, C all constant Apply auxiliary conditions Q. charge, coul t : time, ts subscripts (0)0 C : capacitor, R: resistor show doLE dt C and 2. 16 Re The graph at the right represents thousands of measurements of fluid flow through a pipe of diameter D and length L Re ZXU2)pa) Show that f and Re are Re Dve dimensionless. b) Show that f 16/Re is the Hagen-Poiseuille relation. (hint: what is the relation between v P: pressure, Pa p: fluid density, kg mand Qy?) v : velocity, m s u: viscosity, kg mst ) Suggest a reason for the two separate lines

Answer 1