The study of energy, mass, momentum transfer and spray measurement at an air-water interface

The experimental program was undertaken in an attempt to obtain some quantitative information about the spray concentration and size distribution, as well as to determine what role the spray plays in the total energy and mass transfer processes. Five variations of wind speed conditions were employed. Energy and mass flux were determined by the integral method with velocity, humidity and thermal profile data taken by a pitot-static probe and thermistors. Four sets of spray data were obtained using an electrostatic capacitance-wire probe, 0.063 mm in diameter and 6 cm in length. The sensing wire is contained within a grounded, metal-wire helix which serves as an electrical shield but does not materially impede the flow carrying the aerosols. Also, measurements of the water surface characteristics were made by the use of a wave height gage.