Determine the parallel plate separation distance L, above which the thermal resistance associated with molecule-surface collisions R

Question:

Determine the parallel plate separation distance L, above which the thermal resistance associated with molecule-surface collisions Rt,m-s is less than 1% of the resistance associated with molecule–molecule collisions, Rt,m-m for 

(i) Air between steel plates with α=0.92 and 

(ii) Helium between clean aluminum plates with α= 0.02. The gases are at atmospheric pressure, and the temperature is T = 300 K.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Fundamentals Of Heat And Mass Transfer

ISBN: 9780470501979

7th Edition

Authors: Theodore L. Bergman, Adrienne S. Lavine, Frank P. Incropera, David P. DeWitt

Question Posted: