Q: Since the heat transfer coefficient (thermal conductivity, k) of the adsorbed absorbent cannot be directly predicted, a formula for the heat transfer coefficient that can be calculated by measuring T1, T3 of Experiment 1 and T1, T3 of Experiment 2 is required. Define the modulus and surface area ofthe dura mater in the atmosphere and derive the formula.

Without absorbent With absorbent Pipe outer wall Pipe inner wall Without absorbent With absorbent Pipe outer wall Pipe inner wall