Atomization and Sprays Journal of the International Institutes for Liquid Atomization and Spray Systems

ISSN for PRINT: 1045-5110

For Online Access

Best Paper Award Selection - Editorial Board Site

1991, Volume1

Issue 4

132 pages

Issue price - $75.00

Sang Yong Lee
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 373-1, Kusong-Dong, Yusong-Gu, Taejon, 305-701 Korea

Byung Suh Park
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 373-1, Kusong-Dong, Yusong-Gu, Taejon, 305-701, Korea

In Goo Kim
Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, 373-1, Kusong-Dong, Yusung-Gu, Taejon 305-701, Korea

This paper describes how the threshold gray level should be chosen for accurate measurements of polydispersed spray drops in using image sensing or image processing techniques. For this purpose, reference pictures were prepared to simulate the photographs of spray drops with various sizes based on the Rosin-Rammler and upper-limit distribution functions. Graphical correlations between the optimum threshold level and the distribution parameters are proposed, and a guideline for using those results is provided.

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