Abstract
Transfer of low-solubility gas between air and flowing water is studied experimentally and through analysis of previous studies. The smallest turbulent motions are seen to have a theoretical advantage in overcoming interfacial resistance, and measurements of oxygen absorption rates are found to agree with small-eddy scaling. Though recent studies have emphasized large motions, this conflict is resolved by a conceptual framework incorporating both scales in terms of the distribution of near-surface turbulent energy dissipation rates. At higher Reynolds numbers, such as in natural streams, transfer rates are expected to be controlled by mean dissipative scales.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call