Unsteadiness of the flow rate of the gas passing through gas-dynamic tracts with contour discontinuities
Apart from usual noise caused by a free air stream, the operation of wind tunnels with an open test section is accompanied by the excitation of periodic fluctuations of pressure and flow rate, which increase with the flow velocity. To verify the fact that the vortices pass through the throat, Schlie...
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| creator | Kuraev, A.A. Petrov, A.P. |
| description | Apart from usual noise caused by a free air stream, the operation of wind tunnels with an open test section is accompanied by the excitation of periodic fluctuations of pressure and flow rate, which increase with the flow velocity. To verify the fact that the vortices pass through the throat, Schlieren pictures of the flow in a plane model were taken. The vortices generated in the subsonic section of the channel come into the throat. For a symmetric inflow, the vortices pass from below and from above with an equal probability. Judging by the behavior of the characteristics passing from the channel generatrices, the velocity of vortices coincides with the flow velocity. |
| doi_str_mv | 10.1109/KORUS.1999.875863 |
| format | Conference Proceeding |
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No.99EX362)</title><addtitle>KORUS</addtitle><description>Apart from usual noise caused by a free air stream, the operation of wind tunnels with an open test section is accompanied by the excitation of periodic fluctuations of pressure and flow rate, which increase with the flow velocity. To verify the fact that the vortices pass through the throat, Schlieren pictures of the flow in a plane model were taken. The vortices generated in the subsonic section of the channel come into the throat. For a symmetric inflow, the vortices pass from below and from above with an equal probability. Judging by the behavior of the characteristics passing from the channel generatrices, the velocity of vortices coincides with the flow velocity.</description><subject>Amplitude estimation</subject><subject>Character generation</subject><subject>Damping</subject><subject>Fluctuations</subject><subject>Fluid dynamics</subject><subject>Frequency</subject><subject>Jacobian matrices</subject><subject>Large-scale systems</subject><subject>Testing</subject><isbn>0780357299</isbn><isbn>9780780357297</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>1999</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1kEtLAzEAhAMiqLU_QE_5A1vzfhyl-CgWCuqeS5rHbqTNliRL6b-3pTqXmfkOcxgAHjCaYYz008fqs_2aYa31TEmuBL0Cd0gqRLkkWt-AaSk_6CTGmZbsFvRtKtUbF5MvBQ4B1t7DsB0OMJvq_0FnCtybUmLqTj0PY9efWeOOyeyihTUbWws8xNpDO6Q6jBm6WM4xpjHW6Ms9uA5mW_z0zyegfX35nr83y9XbYv68bCKWrDZWK0eEDhwRRrlgRhOnqNgwwikzwjkUhHfWWxeCkpiiDSbUIM8xD5YJRyfg8bIbvffrfY47k4_ryxf0F8EnV2U</recordid><startdate>1999</startdate><enddate>1999</enddate><creator>Kuraev, A.A.</creator><creator>Petrov, A.P.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>1999</creationdate><title>Unsteadiness of the flow rate of the gas passing through gas-dynamic tracts with contour discontinuities</title><author>Kuraev, A.A. ; Petrov, A.P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i174t-c98d269f50243564a92d836b42534a6dd0f6edcecdff87130b123a0e515fc46d3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Amplitude estimation</topic><topic>Character generation</topic><topic>Damping</topic><topic>Fluctuations</topic><topic>Fluid dynamics</topic><topic>Frequency</topic><topic>Jacobian matrices</topic><topic>Large-scale systems</topic><topic>Testing</topic><toplevel>online_resources</toplevel><creatorcontrib>Kuraev, A.A.</creatorcontrib><creatorcontrib>Petrov, A.P.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kuraev, A.A.</au><au>Petrov, A.P.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Unsteadiness of the flow rate of the gas passing through gas-dynamic tracts with contour discontinuities</atitle><btitle>Proceedings Third Russian-Korean International Symposium on Science and Technology. KORUS'99 (Cat. No.99EX362)</btitle><stitle>KORUS</stitle><date>1999</date><risdate>1999</risdate><volume>1</volume><spage>44</spage><epage>45 vol.1</epage><pages>44-45 vol.1</pages><isbn>0780357299</isbn><isbn>9780780357297</isbn><abstract>Apart from usual noise caused by a free air stream, the operation of wind tunnels with an open test section is accompanied by the excitation of periodic fluctuations of pressure and flow rate, which increase with the flow velocity. To verify the fact that the vortices pass through the throat, Schlieren pictures of the flow in a plane model were taken. The vortices generated in the subsonic section of the channel come into the throat. For a symmetric inflow, the vortices pass from below and from above with an equal probability. Judging by the behavior of the characteristics passing from the channel generatrices, the velocity of vortices coincides with the flow velocity.</abstract><pub>IEEE</pub><doi>10.1109/KORUS.1999.875863</doi></addata></record> |
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| ispartof | Proceedings Third Russian-Korean International Symposium on Science and Technology. KORUS'99 (Cat. No.99EX362), 1999, Vol.1, p.44-45 vol.1 |
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| language | eng |
| recordid | cdi_ieee_primary_875863 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Amplitude estimation Character generation Damping Fluctuations Fluid dynamics Frequency Jacobian matrices Large-scale systems Testing |
| title | Unsteadiness of the flow rate of the gas passing through gas-dynamic tracts with contour discontinuities |
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