Abstract
As one of the core components of supercritical power station, boiler water circulating pump is a kind of glandless pump in which motor and pump are integrated. The circulating medium in the pump is high temperature and high pressure water. Understanding the internal flow characteristics is helpful to improve the hydraulic design of the pump. The numerical simulation of pressure distribution and streamline in the pump body of boiler water circulating pump were carried out with software ANSYS-CFX under three working conditions (0.6 Q, 1.0 Q and 1.4 Q). The results show that: The pressure near the outer wall of pump body is larger, and gradually decreases to the interior. With the decreases of cross section radius, the number of vortices increases. The vortices gradually decrease with the increase of flow rate, and the flow becomes more and more uniform. The pressure increases from the inlet pipe to the outlet pipe under different flow rates. The inlet and outlet pressure difference is inversely proportional to the flow rate. Under the condition of small flow rate and large flow rate, there are many low pressure zones in the inlet side of the blade.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: IOP Conference Series: Earth and Environmental Science
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
