Investigation on in-flight particle velocity in supersonic plasma spraying
In-flight particle velocity and flux distribution were measured using CCD thermal spray monitor system during supersonic plasma spray processing with nano-structured Al2O3-TiO2 feed stocks. According to the results of particle flux measurement, the largest radian of the divergent particle stream is...
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| Veröffentlicht in: | China welding 2005-05, Vol.14 (1), p.80-84 |
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| creator | 李长青 马世宁 叶雄林 |
| description | In-flight particle velocity and flux distribution were measured using CCD thermal spray monitor system during supersonic plasma spray processing with nano-structured Al2O3-TiO2 feed stocks. According to the results of particle flux measurement, the largest radian of the divergent particle stream is about 0.2. Within the measuring range, top speed of inflight particles reached 800m/s. Particle acceleration was accomplished within 4cm down stream of the nozzle. Average particle velocity (about 450m/s) exceeded local sound speed (340m/s) even at a mean standoff distaace of 17cm. With increasing mean standoff distance, average velocity of in-flight particle decreased according to a parabolic rule approximately.Image diagnosis showed that the result of in-flight particle velocity measurement is credible. |
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According to the results of particle flux measurement, the largest radian of the divergent particle stream is about 0.2. Within the measuring range, top speed of inflight particles reached 800m/s. Particle acceleration was accomplished within 4cm down stream of the nozzle. Average particle velocity (about 450m/s) exceeded local sound speed (340m/s) even at a mean standoff distaace of 17cm. With increasing mean standoff distance, average velocity of in-flight particle decreased according to a parabolic rule approximately.Image diagnosis showed that the result of in-flight particle velocity measurement is credible.</description><identifier>ISSN: 1004-5341</identifier><language>eng</language><publisher>Faculty of Remanufacturing Engineering, The Academy of Armored Forces Engineering,Beijing, 100072</publisher><subject>CCD图像 ; 焊接工艺 ; 等离子体溅射 ; 超声波 ; 飞行颗粒</subject><ispartof>China welding, 2005-05, Vol.14 (1), p.80-84</ispartof><rights>Copyright © Wanfang Data Co. Ltd. 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Particle acceleration was accomplished within 4cm down stream of the nozzle. Average particle velocity (about 450m/s) exceeded local sound speed (340m/s) even at a mean standoff distaace of 17cm. With increasing mean standoff distance, average velocity of in-flight particle decreased according to a parabolic rule approximately.Image diagnosis showed that the result of in-flight particle velocity measurement is credible.</description><subject>CCD图像</subject><subject>焊接工艺</subject><subject>等离子体溅射</subject><subject>超声波</subject><subject>飞行颗粒</subject><issn>1004-5341</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqN0E1LxDAQBuAeFFxX_0PxoKdCPpvkKIsfK4IXPYe0nXSzZpNu066sv97AelcYmMM8zMvMWbHACLGKU4YvisuUtghRJZBYFC_rcIA0ud5MLoYylwuV9a7fTOVgxsm1HsoD-Ni66ZhnZZoHGFMMri0Hb9LOlGkYzdGF_qo4t8YnuP7ty-Lj8eF99Vy9vj2tV_evVUsIERV0pJZCYS4MJV3XEGsoM1IJrgjBvKFcAcG1ycw2EjpgYKWqsWWYNsxKuizuTnu_TLAm9Hob5zHkRP3db7YaCEIcYYRFlrcnOYxxP-cz9c6lFrw3AeKcNFGsppTzf0CiJKrR31AKIiRjGd6cYLuJod_n9-jGtJ_WedC4RkqRHPsDnQN9YA</recordid><startdate>200505</startdate><enddate>200505</enddate><creator>李长青 马世宁 叶雄林</creator><general>Faculty of Remanufacturing Engineering, The Academy of Armored Forces Engineering,Beijing, 100072</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>7QF</scope><scope>7TB</scope><scope>FR3</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>200505</creationdate><title>Investigation on in-flight particle velocity in supersonic plasma spraying</title><author>李长青 马世宁 叶雄林</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2227-ed26879157a32ddb2fa34a897592215b359e216ad26fb8ede4ef8961f413b4f83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>CCD图像</topic><topic>焊接工艺</topic><topic>等离子体溅射</topic><topic>超声波</topic><topic>飞行颗粒</topic><toplevel>online_resources</toplevel><creatorcontrib>李长青 马世宁 叶雄林</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Aluminium Industry Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Engineering Research Database</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>China welding</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>李长青 马世宁 叶雄林</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation on in-flight particle velocity in supersonic plasma spraying</atitle><jtitle>China welding</jtitle><addtitle>China Welding</addtitle><date>2005-05</date><risdate>2005</risdate><volume>14</volume><issue>1</issue><spage>80</spage><epage>84</epage><pages>80-84</pages><issn>1004-5341</issn><abstract>In-flight particle velocity and flux distribution were measured using CCD thermal spray monitor system during supersonic plasma spray processing with nano-structured Al2O3-TiO2 feed stocks. According to the results of particle flux measurement, the largest radian of the divergent particle stream is about 0.2. Within the measuring range, top speed of inflight particles reached 800m/s. Particle acceleration was accomplished within 4cm down stream of the nozzle. Average particle velocity (about 450m/s) exceeded local sound speed (340m/s) even at a mean standoff distaace of 17cm. With increasing mean standoff distance, average velocity of in-flight particle decreased according to a parabolic rule approximately.Image diagnosis showed that the result of in-flight particle velocity measurement is credible.</abstract><pub>Faculty of Remanufacturing Engineering, The Academy of Armored Forces Engineering,Beijing, 100072</pub><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 1004-5341 |
| ispartof | China welding, 2005-05, Vol.14 (1), p.80-84 |
| issn | 1004-5341 |
| language | eng |
| recordid | cdi_wanfang_journals_zghj_e200501017 |
| source | Alma/SFX Local Collection |
| subjects | CCD图像 焊接工艺 等离子体溅射 超声波 飞行颗粒 |
| title | Investigation on in-flight particle velocity in supersonic plasma spraying |
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