Articles | Volume 11, issue 1
Research article
26 Jan 2015
Research article |  | 26 Jan 2015

Comparative heat and gas exchange measurements in the Heidelberg Aeolotron, a large annular wind-wave tank

L. Nagel, K. E. Krall, and B. Jähne


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Short summary
A comparative study of simultaneous heat and gas exchange measurements was performed in the large annular Heidelberg Air-Sea Interaction Facility, the Aeolotron, under homogeneous water surface conditions, including the measurement of the Schmidt number exponent. Provided the Schmidt number exponent is known and that the heated patch is large enough to reach the thermal equilibrium, it is possible to scale heat transfer velocities measured by active thermography to gas transfer velocities.