The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON SYSTEMS
Transactions ID Number: 88-368
Full Name: Anca Constantin
Position: Associate Professor
Age: ON
Sex: Female
Address: 22b Unirii Str., Constanta
Country: ROMANIA
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E-mail address: anca.constantin@ymail.com
Other E-mails: aconstantina@univ-ovidius.ro
Title of the Paper: Numerical Simulation of Hydraulic Shock in a Water Pumping System Protected by Air
Authors as they appear in the Paper: Anca Constantin , Claudiu Stefan Nitescu
Email addresses of all the authors: anca.constantin@ymail.com,aconstantina@univ-ovidius.ro,claudiu.nitescu@univ-ovidius.ro
Number of paper pages: 10
Abstract: Air may be efficiently used in water pumping system protection from hydraulic shock, due to its elasticity. The paper presents the results regarding the extreme pressures in the discharge duct of a pumping installation, obtained by numerical simulation of the water hammer phenomenon in two cases of protection with air: using air chamber and using free air dispersed throughout the pumped water. The air chamber increases the pipe wall elasticity in the particular section where the chamber is mounted. The air bubbles transform single-phase water into a biphasic fluid with greater compressibility. Specific parameters are related to these methods, in order to establish criteria for best protection solution choice in water supply engineering design.
Keywords: Hydraulic Shock, Pumping Installation, Air Chamber, Biphasic Flow, Dissolution
EXTENSION of the file: .doc
Special (Invited) Session: Simulation of Water Hammer Phenomenon in a Pumping Discharge Duct Protected by Air
Organizer of the Session: 646-393
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