Numerical research on oscillation of two-phase flow in multichannels under rolling motion
Two-phase flow instability and dynamics of a parallel multichannels system has been theoretically studied under periodic excitation induced by rolling motion in the present research. Based on the homogeneous flow model considering the rolling motion, the parallel multichannels model and system contr...
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| Veröffentlicht in: | Nuclear engineering and design 2011-12, Vol.241 (12), p.4704-4713 |
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| container_title | Nuclear engineering and design |
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| creator | Zhang, Youjia Su, Guanghui Qiu, Suizheng Tian, Wenxi Li, Hua Qian, Libo Li, Yong Yan, Xiao Huang, Yanping |
| description | Two-phase flow instability and dynamics of a parallel multichannels system has been theoretically studied under periodic excitation induced by rolling motion in the present research. Based on the homogeneous flow model considering the rolling motion, the parallel multichannels model and system control equations are established by using the control volume integrating method. Gear method is used to solve the system control equations. The influences of the inlet, upward sections, heating power and rolling amplitudes on the flow instability under rolling motion have been analyzed. The marginal stability boundary (MSB) under the rolling motion condition is obtained. The unstable regions occur in both low and high equilibrium quality and inlet subcooling regions. The multiplied period phenomenon occurs in the high equilibrium quality region and the chaos phenomenon appears on the right of MSB. The concept of stability space is presented. |
| doi_str_mv | 10.1016/j.nucengdes.2011.04.037 |
| format | Article |
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Based on the homogeneous flow model considering the rolling motion, the parallel multichannels model and system control equations are established by using the control volume integrating method. Gear method is used to solve the system control equations. The influences of the inlet, upward sections, heating power and rolling amplitudes on the flow instability under rolling motion have been analyzed. The marginal stability boundary (MSB) under the rolling motion condition is obtained. The unstable regions occur in both low and high equilibrium quality and inlet subcooling regions. The multiplied period phenomenon occurs in the high equilibrium quality region and the chaos phenomenon appears on the right of MSB. 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Based on the homogeneous flow model considering the rolling motion, the parallel multichannels model and system control equations are established by using the control volume integrating method. Gear method is used to solve the system control equations. The influences of the inlet, upward sections, heating power and rolling amplitudes on the flow instability under rolling motion have been analyzed. The marginal stability boundary (MSB) under the rolling motion condition is obtained. The unstable regions occur in both low and high equilibrium quality and inlet subcooling regions. The multiplied period phenomenon occurs in the high equilibrium quality region and the chaos phenomenon appears on the right of MSB. The concept of stability space is presented.</description><subject>Applied sciences</subject><subject>Control systems</subject><subject>Controled nuclear fusion plants</subject><subject>Dynamical systems</subject><subject>Dynamics</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>Fission nuclear power plants</subject><subject>Fuels</subject><subject>Instability</subject><subject>Installations for energy generation and conversion: thermal and electrical energy</subject><subject>Mathematical models</subject><subject>Multichannel</subject><subject>Nuclear fuels</subject><subject>Rolling motion</subject><subject>Stability</subject><issn>0029-5493</issn><issn>1872-759X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkF1LBCEUhiUK2rZ-Q94E3cyk87Gjl7H0BUvdFNSVmB5bF0c3nSn69zns0m2CeITnPUcfhM4pKSmhi6tN6UcF_kNDKitCaUmaktTdAZpR1lVF1_LXQzQjpOJF2_D6GJ2ktCHT4tUMvT2OPUSrpMMREsio1jh4HJKyzsnBTrXBw3cotmuZABsXvrH1uB_dYNVaeg8u4dFriDgG56z_wH2YcqfoyEiX4Gx_ztHL7c3z8r5YPd09LK9Xhao7NhSSgdJcM21MzRljFTSMvnf5a1pDq4G2jFdNa_KVUWALw9VCSibfoe1qyU09R5e7vtsYPkdIg-htUpBf7yGMSeROhLGWMprRboeqGFKKYMQ22l7GnwxN3EJsxJ9MMckUpBFZZk5e7IfIlF2ZKL2y6S9etTXNm2XuesdlK_BlIYosErwCbSOoQehg_531C1PDkSI</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Zhang, Youjia</creator><creator>Su, Guanghui</creator><creator>Qiu, Suizheng</creator><creator>Tian, Wenxi</creator><creator>Li, Hua</creator><creator>Qian, Libo</creator><creator>Li, Yong</creator><creator>Yan, Xiao</creator><creator>Huang, Yanping</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20111201</creationdate><title>Numerical research on oscillation of two-phase flow in multichannels under rolling motion</title><author>Zhang, Youjia ; Su, Guanghui ; Qiu, Suizheng ; Tian, Wenxi ; Li, Hua ; Qian, Libo ; Li, Yong ; Yan, Xiao ; Huang, Yanping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c378t-a8ecd9d8dff398882e481b7101dde5de1589245f1dd81e86f9c6aa8abe573a9f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Applied sciences</topic><topic>Control systems</topic><topic>Controled nuclear fusion plants</topic><topic>Dynamical systems</topic><topic>Dynamics</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Exact sciences and technology</topic><topic>Fission nuclear power plants</topic><topic>Fuels</topic><topic>Instability</topic><topic>Installations for energy generation and conversion: thermal and electrical energy</topic><topic>Mathematical models</topic><topic>Multichannel</topic><topic>Nuclear fuels</topic><topic>Rolling motion</topic><topic>Stability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Youjia</creatorcontrib><creatorcontrib>Su, Guanghui</creatorcontrib><creatorcontrib>Qiu, Suizheng</creatorcontrib><creatorcontrib>Tian, Wenxi</creatorcontrib><creatorcontrib>Li, Hua</creatorcontrib><creatorcontrib>Qian, Libo</creatorcontrib><creatorcontrib>Li, Yong</creatorcontrib><creatorcontrib>Yan, Xiao</creatorcontrib><creatorcontrib>Huang, Yanping</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Nuclear engineering and design</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Youjia</au><au>Su, Guanghui</au><au>Qiu, Suizheng</au><au>Tian, Wenxi</au><au>Li, Hua</au><au>Qian, Libo</au><au>Li, Yong</au><au>Yan, Xiao</au><au>Huang, Yanping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Numerical research on oscillation of two-phase flow in multichannels under rolling motion</atitle><jtitle>Nuclear engineering and design</jtitle><date>2011-12-01</date><risdate>2011</risdate><volume>241</volume><issue>12</issue><spage>4704</spage><epage>4713</epage><pages>4704-4713</pages><issn>0029-5493</issn><eissn>1872-759X</eissn><coden>NEDEAU</coden><abstract>Two-phase flow instability and dynamics of a parallel multichannels system has been theoretically studied under periodic excitation induced by rolling motion in the present research. 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| subjects | Applied sciences Control systems Controled nuclear fusion plants Dynamical systems Dynamics Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants Fuels Instability Installations for energy generation and conversion: thermal and electrical energy Mathematical models Multichannel Nuclear fuels Rolling motion Stability |
| title | Numerical research on oscillation of two-phase flow in multichannels under rolling motion |
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