Chemical and Biochemical Engineering Homework Solutions

Introduction to the Pennes Bioheat Transfer Equation. Attachments in PDF format.

Give the Pennes Bioheat Transfer Equation, describe all terms and units, and discuss its limitations.

Determine the value of Henry's law constant of chlorine for the chlorine water system.

Determine the value of Henry's law constant of chlorine for the chlorine water system. See attachment

Determine the value of Henry's law constant of chlorine for the chlorine water system

Determine the value of Henry's law constant, in Pa/(kg/m3) of chlorine for the chlorine water system. The following equilibrium data at 293K were reported in the Chemical Engineering Handbook: Partial pressure of Cl2 in Pa 666 1330 4000 6660 13200 Solubility, kg Cl2/m3 0.438 0.575 0.937 1.210 1.773

Heat Transfer -- thermal conductivity -- heat flux

A flat plane of thickness delta x with one surface maintained at T1 and the other at T2. Thermal conductivity of the flat plane varies according to temperatures as k = A + BT + CT^3. Write an expression for one-dimensional heat flux. (We've been talking about how conductivity is not constant. I think this problem is meant to sho ...continues

Heat Transport -- conduction -- convection -- flux

A cubical cavity of width 0.5 m on a side. The cavity wall is made of Pyrex and the thickness is 3 cm. A block of 1 kg ice at 0 degrees Celsius is contained in the box. The exterior wall temperature of the cube is 20 degrees Celsius. The box is suspended in mid-air of a big room where the air and surrounding temperatures are the ...continues

Heat Transport -- Conduction, Convection, Radiation

I'm not sure how to do this at all. I know the q" equations for conduction and convection come into play somehow, right? Also, could you please explain to me where conduction is taking place here and where convection is taking place? Is there radiation also? Thanks! please see attachment

Conduction (heat transfer)

Problem. The ratio of thermal Conductivity of material 1 to the thermal Conductivity of material 2 is (a)Less than 1 (b) greater than 1 (c) equal to 1 (d) infinity And why? Give reason There is a plot given in problem file in which both material shown.

Heat Transport -- convection -- equivalent thermal circuit

Heat Transport -- convection -- equivalent thermal circuit Please see attachment.

Heat Transport -- unit length heat loss of pipe -- no radiation heat loss

Find unit length heat loss of pipe. Please see attachment.

Heat Transport -- convection -- equivalent thermal circuit

In this problem we required interior temperatures of a circuit combining brick and plaster, also calculate the thickness of plaster for reducing the heat loss.

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