Observations of high temperature impinging-jet boiling phenomena
Author(s)
Woodfield, PL
Monde, M
Mozumder, AK
Griffith University Author(s)
Year published
2005
Metadata
Show full item recordAbstract
A high-speed video camera and microphone were used to capture the flow behavior and boiling sound of a free-surface water jet impinging on a high temperature surface during quench cooling. It was found that depending on the superheat of the surface considerably different flow patterns appeared. For cases where the initial surface temperature was above about 300 àan almost explosive pattern appeared. This was in contrast to slightly lower temperatures where a liquid sheet flow structure was apparent. The change in phenomena was accompanied by a sudden change in the boiling sound and an increase in the heat transfer rate.A high-speed video camera and microphone were used to capture the flow behavior and boiling sound of a free-surface water jet impinging on a high temperature surface during quench cooling. It was found that depending on the superheat of the surface considerably different flow patterns appeared. For cases where the initial surface temperature was above about 300 àan almost explosive pattern appeared. This was in contrast to slightly lower temperatures where a liquid sheet flow structure was apparent. The change in phenomena was accompanied by a sudden change in the boiling sound and an increase in the heat transfer rate.
View less >
View less >
Journal Title
International journal of heat and mass transfer
Volume
48
Issue
10
Subject
Mechanical Engineering not elsewhere classified
Mathematical Sciences
Physical Sciences
Engineering