EXPERIMENTAL AND NUMERICAL INVESTIGATION OF FLOW-INDUCED VIBRATION : IN A HIGH PRESSURE DOUBLE VOLUTE CENTRIFUGAL PUMP
Language: English
Published by VDM Verlag Dr. Müller, 2010
- Softcover
- New
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
AbeBooks seller since August 14, 2006
Condition: New
£ 75.49
Quantity: 2 available
Add to basketItem description from seller
nach der Bestellung gedruckt Neuware - Printed after ordering - This work is an experimental and numerical investigation of the flow induced vibration problem at blade passing frequencies of a high-pressure double volute boiler feed pump. The effects of variable operating conditions and different design modifications were studied by model testing to minimize the vibration level. The amplitude and strength of the pressure fluctuation inside the pump depend on the measuring location with respect to the interaction zone at volute tongues. The unsteady pressure fluctuations are very sensitive to the flow rate. Pressure fluctuations are increased at high rotational speeds and at off-design conditions. The original pump has a special V-shaped cut at the exit of impeller blades which reduces the pressure fluctuations up to 45% depending on flow rate and measuring location. It also reduced pump vibration by 20 to 50% depending on flow rate. The selection of the suitable gap between impeller and diffuser vanes for minimum vibration levels was based on experimentation under the expected operating conditions. Smaller gaps are not preferable for the pressure fluctuations inside the pump since they produce higher impeller/volute interaction.…
Seller Inventory # 9783639286618
- Title
- EXPERIMENTAL AND NUMERICAL INVESTIGATION OF FLOW-INDUCED VIBRATION : IN A HIGH PRESSURE DOUBLE VOLUTE CENTRIFUGAL PUMP
- Author
- Atia Khalifa
- Publisher
- VDM Verlag Dr. Müller
- Publication year
- 2010
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 3639286618
- ISBN 13
- 9783639286618
- Item weight
- 400 grams
- Dimensions
- 220x150x17 mm
"Synopsis" may belong to another edition of this title.
About the Author
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