Base pressure oscillations and safety of load launching into orbit
Physical details regarding base pressure low-frequency oscillations between rocket nozzles, their excitation and maintenance, are considered. Amplitude – frequency characteristics of these oscillations, as well as sequence of their type change, are studied. A single nozzle, a two-nozzle unit and a r...
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| Veröffentlicht in: | Acta astronautica 2017-06, Vol.135, p.150-160 |
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| container_title | Acta astronautica |
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| creator | Bulat, P.V. Zasukhin, O.N. Upyrev, V.V. Silnikov, M.V. Chernyshov, M.V. |
| description | Physical details regarding base pressure low-frequency oscillations between rocket nozzles, their excitation and maintenance, are considered. Amplitude – frequency characteristics of these oscillations, as well as sequence of their type change, are studied. A single nozzle, a two-nozzle unit and a ring nozzle imitating multi-nozzle unit, are investigated in the present study.
•Oscillations of supersonic jet flow into duct with abrupt area change are studied;•Jet flow from various single and multiple nozzles are analyzed;•Model of oscillations based on flow rate misbalance is confirmed experimentally;•Shock-wave structure transformation during self-oscillations is analyzed;•Results achieved can be helpful for safety of spacecraft launching. |
| doi_str_mv | 10.1016/j.actaastro.2016.11.042 |
| format | Article |
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•Oscillations of supersonic jet flow into duct with abrupt area change are studied;•Jet flow from various single and multiple nozzles are analyzed;•Model of oscillations based on flow rate misbalance is confirmed experimentally;•Shock-wave structure transformation during self-oscillations is analyzed;•Results achieved can be helpful for safety of spacecraft launching.</description><identifier>ISSN: 0094-5765</identifier><identifier>EISSN: 1879-2030</identifier><identifier>DOI: 10.1016/j.actaastro.2016.11.042</identifier><language>eng</language><publisher>Elmsford: Elsevier Ltd</publisher><subject>Base pressure ; Excitation ; Launching ; Nozzle unit ; Nozzles ; Oscillations ; Pressure oscillations ; Rocket base ; Rocket nozzles ; Rockets ; Self-oscillations ; Separated flow</subject><ispartof>Acta astronautica, 2017-06, Vol.135, p.150-160</ispartof><rights>2016 IAA</rights><rights>Copyright Elsevier BV Jun 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-a7ebdfd1d0a3c680f5dbe6a7fa22fefef4083c38ca1055930376775169a890bb3</citedby><cites>FETCH-LOGICAL-c343t-a7ebdfd1d0a3c680f5dbe6a7fa22fefef4083c38ca1055930376775169a890bb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.actaastro.2016.11.042$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Bulat, P.V.</creatorcontrib><creatorcontrib>Zasukhin, O.N.</creatorcontrib><creatorcontrib>Upyrev, V.V.</creatorcontrib><creatorcontrib>Silnikov, M.V.</creatorcontrib><creatorcontrib>Chernyshov, M.V.</creatorcontrib><title>Base pressure oscillations and safety of load launching into orbit</title><title>Acta astronautica</title><description>Physical details regarding base pressure low-frequency oscillations between rocket nozzles, their excitation and maintenance, are considered. Amplitude – frequency characteristics of these oscillations, as well as sequence of their type change, are studied. A single nozzle, a two-nozzle unit and a ring nozzle imitating multi-nozzle unit, are investigated in the present study.
•Oscillations of supersonic jet flow into duct with abrupt area change are studied;•Jet flow from various single and multiple nozzles are analyzed;•Model of oscillations based on flow rate misbalance is confirmed experimentally;•Shock-wave structure transformation during self-oscillations is analyzed;•Results achieved can be helpful for safety of spacecraft launching.</description><subject>Base pressure</subject><subject>Excitation</subject><subject>Launching</subject><subject>Nozzle unit</subject><subject>Nozzles</subject><subject>Oscillations</subject><subject>Pressure oscillations</subject><subject>Rocket base</subject><subject>Rocket nozzles</subject><subject>Rockets</subject><subject>Self-oscillations</subject><subject>Separated flow</subject><issn>0094-5765</issn><issn>1879-2030</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkE9LxDAQxYMouK5-BgOeWydN2zTH3cV_sOBFz2GapJpSmzXJCn57s6x4lTkMDO-94f0IuWZQMmDt7ViiTogxBV9W-VAyVkJdnZAF64QsKuBwShYAsi4a0Tbn5CLGEQBE1ckFWa8xWroLNsZ9sNRH7aYJk_NzpDgbGnGw6Zv6gU4eDZ1wP-t3N79RNydPfehduiRnA07RXv3uJXm9v3vZPBbb54enzWpbaF7zVKCwvRkMM4Bctx0Mjelti2LAqhpsnho6rnmnkUHTSA5ctEI0rJXYSeh7viQ3x9xd8J97G5Ma_T7M-aVikrWs5kLyrBJHlQ4-xmAHtQvuA8O3YqAOwNSo_oCpAzDFmMrAsnN1dNpc4svZoDIMO2trXLA6KePdvxk_HF547A</recordid><startdate>201706</startdate><enddate>201706</enddate><creator>Bulat, P.V.</creator><creator>Zasukhin, O.N.</creator><creator>Upyrev, V.V.</creator><creator>Silnikov, M.V.</creator><creator>Chernyshov, M.V.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>7TG</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope></search><sort><creationdate>201706</creationdate><title>Base pressure oscillations and safety of load launching into orbit</title><author>Bulat, P.V. ; Zasukhin, O.N. ; Upyrev, V.V. ; Silnikov, M.V. ; Chernyshov, M.V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-a7ebdfd1d0a3c680f5dbe6a7fa22fefef4083c38ca1055930376775169a890bb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Base pressure</topic><topic>Excitation</topic><topic>Launching</topic><topic>Nozzle unit</topic><topic>Nozzles</topic><topic>Oscillations</topic><topic>Pressure oscillations</topic><topic>Rocket base</topic><topic>Rocket nozzles</topic><topic>Rockets</topic><topic>Self-oscillations</topic><topic>Separated flow</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bulat, P.V.</creatorcontrib><creatorcontrib>Zasukhin, O.N.</creatorcontrib><creatorcontrib>Upyrev, V.V.</creatorcontrib><creatorcontrib>Silnikov, M.V.</creatorcontrib><creatorcontrib>Chernyshov, M.V.</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Acta astronautica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bulat, P.V.</au><au>Zasukhin, O.N.</au><au>Upyrev, V.V.</au><au>Silnikov, M.V.</au><au>Chernyshov, M.V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Base pressure oscillations and safety of load launching into orbit</atitle><jtitle>Acta astronautica</jtitle><date>2017-06</date><risdate>2017</risdate><volume>135</volume><spage>150</spage><epage>160</epage><pages>150-160</pages><issn>0094-5765</issn><eissn>1879-2030</eissn><abstract>Physical details regarding base pressure low-frequency oscillations between rocket nozzles, their excitation and maintenance, are considered. Amplitude – frequency characteristics of these oscillations, as well as sequence of their type change, are studied. A single nozzle, a two-nozzle unit and a ring nozzle imitating multi-nozzle unit, are investigated in the present study.
•Oscillations of supersonic jet flow into duct with abrupt area change are studied;•Jet flow from various single and multiple nozzles are analyzed;•Model of oscillations based on flow rate misbalance is confirmed experimentally;•Shock-wave structure transformation during self-oscillations is analyzed;•Results achieved can be helpful for safety of spacecraft launching.</abstract><cop>Elmsford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.actaastro.2016.11.042</doi><tpages>11</tpages></addata></record> |
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| ispartof | Acta astronautica, 2017-06, Vol.135, p.150-160 |
| issn | 0094-5765 1879-2030 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Base pressure Excitation Launching Nozzle unit Nozzles Oscillations Pressure oscillations Rocket base Rocket nozzles Rockets Self-oscillations Separated flow |
| title | Base pressure oscillations and safety of load launching into orbit |
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