Surface shear stress dependence of gas transfer velocity parameterizations using DNS
Artikel i vetenskaplig tidskrift, 2016

Air-water gas-exchange is studied in direct numerical simulations (DNS) of free-surface flows driven by natural convection and weak winds. The wind is modeled as a constant surface-shear-stress and the gas-transfer is modeled via a passive scalar. The simulations are characterized via a Richardson number Ri=Bν/u*4 where B, ν, and u* are the buoyancy flux, kinematic viscosity, and friction velocity respectively. The simulations comprise 0Ric or kg=Ashearu*Sc-n, Ri

Gas transfer velocity

Heat flux

Wind

Direct numerical simulations

Turbulence

Air-sea gas exchange

Natural convection

Surface cooling

Författare

Sam Fredriksson

Göteborgs universitet

Lars Arneborg

Göteborgs universitet

Håkan Nilsson

Chalmers, Tillämpad mekanik, Strömningslära

Robert Handler

Texas A&M University

Journal of Geophysical Research: Oceans

21699275 (ISSN) 21699291 (eISSN)

Vol. 121 10 7369-7389

Drivkrafter

Hållbar utveckling

Fundament

Grundläggande vetenskaper

Infrastruktur

C3SE (Chalmers Centre for Computational Science and Engineering)

Ämneskategorier

Oceanografi, hydrologi, vattenresurser

Klimatforskning

DOI

10.1002/2016JC011852

Mer information

Skapat

2017-10-08