Experimental investigation on pressure oscillations caused by direct contact condensation of sonic steam jet
•Pressure oscillations of sonic steam jet with high steam flux were investigated.•Theoretical model on pressure oscillation amplitude was set up.•The pressure oscillation variation with the x/de and r/de was investigated. An experimental study has been carried out to investigate the pressure oscilla...
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| Veröffentlicht in: | Experimental thermal and fluid science 2014-01, Vol.52, p.270-277 |
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| creator | Qiu, Binbin Tang, Si Yan, Junjie Liu, Jiping Chong, Daotong Wu, Xinzhuang |
| description | •Pressure oscillations of sonic steam jet with high steam flux were investigated.•Theoretical model on pressure oscillation amplitude was set up.•The pressure oscillation variation with the x/de and r/de was investigated.
An experimental study has been carried out to investigate the pressure oscillation of the sonic steam jet in a pool. The exit diameter of the nozzle was 8mm and the steam mass flux was 298–865kg/(m2s), water temperature 20–70°C. The dominant frequency and amplitude of pressure oscillation have been analyzed. A theoretical model on pressure oscillation amplitude was set up and a semi-empirical correlation was given to predict the dimensionless R.M.S (root mean square) amplitude of pressure oscillation. The pressure oscillation is mainly caused by the variation of steam speed δu, heat transfer coefficient δh and net steam-water interface δS. The dominant frequency of the pressure oscillation decreased with the increase of the water temperature while increased in CO region and decreased in SC region with the increase of the steam mass flux. The amplitude of the pressure oscillation is inversely proportional to the dominant frequency. The dominant frequencies did not change with the variation of x/de and r/de. But the amplitudes decreased with the increase of x/de and r/de. An empirical correlation was suggested to predict the dimensionless R.M.S amplitude based on the experimental data. The predictions agreed well with the experiments, and the discrepancies were within ±30%. |
| doi_str_mv | 10.1016/j.expthermflusci.2013.09.020 |
| format | Article |
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An experimental study has been carried out to investigate the pressure oscillation of the sonic steam jet in a pool. The exit diameter of the nozzle was 8mm and the steam mass flux was 298–865kg/(m2s), water temperature 20–70°C. The dominant frequency and amplitude of pressure oscillation have been analyzed. A theoretical model on pressure oscillation amplitude was set up and a semi-empirical correlation was given to predict the dimensionless R.M.S (root mean square) amplitude of pressure oscillation. The pressure oscillation is mainly caused by the variation of steam speed δu, heat transfer coefficient δh and net steam-water interface δS. The dominant frequency of the pressure oscillation decreased with the increase of the water temperature while increased in CO region and decreased in SC region with the increase of the steam mass flux. The amplitude of the pressure oscillation is inversely proportional to the dominant frequency. The dominant frequencies did not change with the variation of x/de and r/de. But the amplitudes decreased with the increase of x/de and r/de. An empirical correlation was suggested to predict the dimensionless R.M.S amplitude based on the experimental data. The predictions agreed well with the experiments, and the discrepancies were within ±30%.</description><identifier>ISSN: 0894-1777</identifier><identifier>EISSN: 1879-2286</identifier><identifier>DOI: 10.1016/j.expthermflusci.2013.09.020</identifier><language>eng</language><publisher>Amsterdam: Elsevier Inc</publisher><subject>Amplitudes ; Applied sciences ; Boilers ; Contact ; Correlation ; Devices using thermal energy ; Direct contact condensation ; Energy ; Energy. Thermal use of fuels ; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc ; Exact sciences and technology ; Flux ; Heat exchangers (included heat transformers, condensers, cooling towers) ; Mathematical models ; Pressure oscillation ; Pressure oscillations ; Sonic ; Sonics ; Steam jet ; Water temperature</subject><ispartof>Experimental thermal and fluid science, 2014-01, Vol.52, p.270-277</ispartof><rights>2013 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c426t-f1faa8f65ec5427787f69a5a69e3c7a1d26af8e4cb6b35a38f28e033835cbde13</citedby><cites>FETCH-LOGICAL-c426t-f1faa8f65ec5427787f69a5a69e3c7a1d26af8e4cb6b35a38f28e033835cbde13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.expthermflusci.2013.09.020$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,4024,27923,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28363315$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Qiu, Binbin</creatorcontrib><creatorcontrib>Tang, Si</creatorcontrib><creatorcontrib>Yan, Junjie</creatorcontrib><creatorcontrib>Liu, Jiping</creatorcontrib><creatorcontrib>Chong, Daotong</creatorcontrib><creatorcontrib>Wu, Xinzhuang</creatorcontrib><title>Experimental investigation on pressure oscillations caused by direct contact condensation of sonic steam jet</title><title>Experimental thermal and fluid science</title><description>•Pressure oscillations of sonic steam jet with high steam flux were investigated.•Theoretical model on pressure oscillation amplitude was set up.•The pressure oscillation variation with the x/de and r/de was investigated.
An experimental study has been carried out to investigate the pressure oscillation of the sonic steam jet in a pool. The exit diameter of the nozzle was 8mm and the steam mass flux was 298–865kg/(m2s), water temperature 20–70°C. The dominant frequency and amplitude of pressure oscillation have been analyzed. A theoretical model on pressure oscillation amplitude was set up and a semi-empirical correlation was given to predict the dimensionless R.M.S (root mean square) amplitude of pressure oscillation. The pressure oscillation is mainly caused by the variation of steam speed δu, heat transfer coefficient δh and net steam-water interface δS. The dominant frequency of the pressure oscillation decreased with the increase of the water temperature while increased in CO region and decreased in SC region with the increase of the steam mass flux. The amplitude of the pressure oscillation is inversely proportional to the dominant frequency. The dominant frequencies did not change with the variation of x/de and r/de. But the amplitudes decreased with the increase of x/de and r/de. An empirical correlation was suggested to predict the dimensionless R.M.S amplitude based on the experimental data. The predictions agreed well with the experiments, and the discrepancies were within ±30%.</description><subject>Amplitudes</subject><subject>Applied sciences</subject><subject>Boilers</subject><subject>Contact</subject><subject>Correlation</subject><subject>Devices using thermal energy</subject><subject>Direct contact condensation</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</subject><subject>Exact sciences and technology</subject><subject>Flux</subject><subject>Heat exchangers (included heat transformers, condensers, cooling towers)</subject><subject>Mathematical models</subject><subject>Pressure oscillation</subject><subject>Pressure oscillations</subject><subject>Sonic</subject><subject>Sonics</subject><subject>Steam jet</subject><subject>Water temperature</subject><issn>0894-1777</issn><issn>1879-2286</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNUcGKFDEQDaLgOPoPOSh46baSdCdp8CLLrgoLXvQcMumKZujpblPdy-7fb2Z7EDwpFBQUr96reo-xtwJqAUJ_ONZ4Py-_MJ_isFJItQShauhqkPCM7YQ1XSWl1c_ZDmzXVMIY85K9IjoCgJUCdmy4vp8xpxOOix94Gu-QlvTTL2kaeak5I9GakU-Ffhie5sSDXwl7fnjgfcoYFh6msr71Hke6rEdO05gCpwX9iR9xec1eRD8Qvrn0Pftxc_396kt1--3z16tPt1VopF6qKKL3NuoWQ9tIY6yJuvOt1x2qYLzopfbRYhMO-qBar2yUFkEpq9pw6FGoPXu_8c55-r2Wj9wpUcBy_4jTSk5oYwGkkPBvaKug67RpztCPGzTkiShjdHMxzucHJ8Cd83BH93ce7pyHg87Bk9K7i5Kn4IeY_RgS_eGQVmmlitye3Ww4LA7dJcyuMOEYcPPa9VP6P8FH33-s1g</recordid><startdate>201401</startdate><enddate>201401</enddate><creator>Qiu, Binbin</creator><creator>Tang, Si</creator><creator>Yan, Junjie</creator><creator>Liu, Jiping</creator><creator>Chong, Daotong</creator><creator>Wu, Xinzhuang</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>201401</creationdate><title>Experimental investigation on pressure oscillations caused by direct contact condensation of sonic steam jet</title><author>Qiu, Binbin ; Tang, Si ; Yan, Junjie ; Liu, Jiping ; Chong, Daotong ; Wu, Xinzhuang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c426t-f1faa8f65ec5427787f69a5a69e3c7a1d26af8e4cb6b35a38f28e033835cbde13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Amplitudes</topic><topic>Applied sciences</topic><topic>Boilers</topic><topic>Contact</topic><topic>Correlation</topic><topic>Devices using thermal energy</topic><topic>Direct contact condensation</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</topic><topic>Exact sciences and technology</topic><topic>Flux</topic><topic>Heat exchangers (included heat transformers, condensers, cooling towers)</topic><topic>Mathematical models</topic><topic>Pressure oscillation</topic><topic>Pressure oscillations</topic><topic>Sonic</topic><topic>Sonics</topic><topic>Steam jet</topic><topic>Water temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qiu, Binbin</creatorcontrib><creatorcontrib>Tang, Si</creatorcontrib><creatorcontrib>Yan, Junjie</creatorcontrib><creatorcontrib>Liu, Jiping</creatorcontrib><creatorcontrib>Chong, Daotong</creatorcontrib><creatorcontrib>Wu, Xinzhuang</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Experimental thermal and fluid science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Qiu, Binbin</au><au>Tang, Si</au><au>Yan, Junjie</au><au>Liu, Jiping</au><au>Chong, Daotong</au><au>Wu, Xinzhuang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental investigation on pressure oscillations caused by direct contact condensation of sonic steam jet</atitle><jtitle>Experimental thermal and fluid science</jtitle><date>2014-01</date><risdate>2014</risdate><volume>52</volume><spage>270</spage><epage>277</epage><pages>270-277</pages><issn>0894-1777</issn><eissn>1879-2286</eissn><abstract>•Pressure oscillations of sonic steam jet with high steam flux were investigated.•Theoretical model on pressure oscillation amplitude was set up.•The pressure oscillation variation with the x/de and r/de was investigated.
An experimental study has been carried out to investigate the pressure oscillation of the sonic steam jet in a pool. The exit diameter of the nozzle was 8mm and the steam mass flux was 298–865kg/(m2s), water temperature 20–70°C. The dominant frequency and amplitude of pressure oscillation have been analyzed. A theoretical model on pressure oscillation amplitude was set up and a semi-empirical correlation was given to predict the dimensionless R.M.S (root mean square) amplitude of pressure oscillation. The pressure oscillation is mainly caused by the variation of steam speed δu, heat transfer coefficient δh and net steam-water interface δS. The dominant frequency of the pressure oscillation decreased with the increase of the water temperature while increased in CO region and decreased in SC region with the increase of the steam mass flux. The amplitude of the pressure oscillation is inversely proportional to the dominant frequency. The dominant frequencies did not change with the variation of x/de and r/de. But the amplitudes decreased with the increase of x/de and r/de. An empirical correlation was suggested to predict the dimensionless R.M.S amplitude based on the experimental data. The predictions agreed well with the experiments, and the discrepancies were within ±30%.</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><doi>10.1016/j.expthermflusci.2013.09.020</doi><tpages>8</tpages></addata></record> |
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| subjects | Amplitudes Applied sciences Boilers Contact Correlation Devices using thermal energy Direct contact condensation Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Flux Heat exchangers (included heat transformers, condensers, cooling towers) Mathematical models Pressure oscillation Pressure oscillations Sonic Sonics Steam jet Water temperature |
| title | Experimental investigation on pressure oscillations caused by direct contact condensation of sonic steam jet |
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