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International Heat Transfer Conference 10

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)


R. Marlow
Department of Mechanical Engineering McMaster University, Hamilton, Ontario. L8S 4L7

A. M. C. Chan
Research Division, Ontario Hydro, 800 Kipling Avenue, Toronto, Ontario; Department of Mechanical Engineering, McMaster University Hamilton, Ontario, CANADA

Mamdouh Shoukri
McMaster University, Department of Mechanical Engineering, Hamilton, Ontario, Canada

DOI: 10.1615/IHTC10.610
pages 365-370


A simple analytical approach was developed to analyze steam condensation induced water hammer in a pipe. The model solved the transient one-dimensional equation of motion of the incoming fluid assuming piston-like flow. Steam pressure in the pipe during the transient was calculated based on an estimated steam condensation rate. A coefficient of restitution was used to determine the separation velocity of the water column after impacting the pipe dead-end. Hammering magnitudes were obtained using the Joukowsky relationship.
The model was used to analyse the water hammer transients in a vertical pipe. The hammering frequency and magnitudes were found to compare well with existing test data.

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