Numerical Study of Entropy Generation in a Vertical Square Channel Packed with Saturated Porous Media

Abstract

Entropy generation in a vertical square channel packed with saturated porousmedia, and subjected to differentially heated isothermal walls has beennumerically investigated.The effect of Darcy, Reynolds, and Eckert numbers on Entropy generation wasstudied. The entropy generation was found to be inversely proportional to bothReynolds and Darcy number, while it was directly proportional with the Eckertnumber.It was shown that as Darcy and Reynolds numbers were increasing, the Bejannumber decreases, i.e., the irreversibility due fluid friction is dominated, while asthe Eckert increases, theirreversibility due to heat transfer increases