All Problems

Transport Phenomena

Problem 2.220

Calculate what fraction of gas molecules (a) traverses without collisions the distances exceeding the mean free path \(\lambda\); (b) has the free path values lying within the interval from \(\lambda\) to \(2 \lambda\)

Reveal Answer
 (a) η0.37 (b) η0.23\text { (a) } \eta \approx 0.37 \text { (b) } \eta \approx 0.23