The cardiovascular countercurrent heat exchnager mechanism is to warm venous blood from 28 degrees C to 35 degrees C at a mass flow rate of 2 g/s. The artery inflow temp is 37 degrees C at a mass flow rate of 5 g/s. The average diameter of the vein is 5 cm and the overall heat transfer coefficient is 125 W/m^2*K. Determine the overall blood vessel length needed too warm the venous blood to 35 degrees C if the specific heat of both arterial and venous blood is constant and equal to 3475 J/kg*K.

The cardiovascular countercurrent heat exchnager mechanism is to warm venous blood from 28 degrees C to 35 degrees C at a mass flow rate of 2 g/s. The artery inflow temp is 37 degrees C at a mass flow rate of 5 g/s. The average diameter of the vein is 5 cm and the overall heat transfer coefficient is 125 W/m^2K. Determine the overall blood vessel length needed too warm the venous blood to 35 degrees C if the specific heat of both arterial and venous blood is constant and equal to 3475 J/kgK.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.46P

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