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http://hdl.handle.net/11375/21594
Title: | The Impact and Rebound of a Small Water Drop Striking a Hot Surface |
Authors: | Harvey, Denis |
Advisor: | Hoffman, T. W. |
Department: | Chemical Engineering |
Keywords: | Rebound;Small Water Drop;Hot Surface;steam atmosphere |
Publication Date: | Mar-1967 |
Abstract: | <p> Water drops at their boiling point were projected through a steam atmosphere to strike a surface which was varied in temperature from 300 to 900 degrees Fahrenheit. A high-speed motion picture study of the collision process showed that, except at low surface temperatures, the drop flattened out on impact and rebounded in a state of oscillation. Measurements of the change in drop diameter on--collision indicated that the amount of evaporation due to heat transfer from the surface was extremely small except when the drop extensively wetted the surface. Solution of a mathematical model of the initial impact dynamics and models of heat transfer through a vapour film beneath the drop and by direct liquid-surface contact confirmed experimental observations. </p> |
URI: | http://hdl.handle.net/11375/21594 |
Appears in Collections: | Digitized Open Access Dissertations and Theses |
Files in This Item:
File | Description | Size | Format | |
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Harvey_Denis_M_1967_Phd.pdf | 13.28 MB | Adobe PDF | View/Open |
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