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Experiments on the Cloud Droplet Collision Efficiency of Cylinders

Lasse MakkonenLaboratory of Structural Engineering, Technical Research Centre of Finland, Betonimiehenkuja 3, 02150 Espoo, Finland

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J. R. StallabrassLow Temperature Laboratory, Division of Mechanical Engineering, National Research Council of Canada, Ottawa, Ontario KIA OR6, Canada

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Abstract

The theory of Langmuir and Blodgett for the droplet collision efficiency was verified by growing rime ice accretions on rotating cylinders in a wind tunnel. The results show that the theory is in excellent agreement with the experimental data in the studied range of mean cylinder collision efficiency from 0.07 to 0.63.

Abstract

The theory of Langmuir and Blodgett for the droplet collision efficiency was verified by growing rime ice accretions on rotating cylinders in a wind tunnel. The results show that the theory is in excellent agreement with the experimental data in the studied range of mean cylinder collision efficiency from 0.07 to 0.63.

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