{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"针对催化重整装置加热炉集合管盲端的腐蚀现象,运用腐蚀理论对其进行了机理研究.结果表明,在操作工况下,出口集合管盲端法兰内侧发生高温硫腐蚀,富氢环境使腐蚀产物疏松多孔,在高流速流体冲刷下发生冲刷腐蚀.采用FLUENT软件对集合管流场特性进行了模拟分析,结果表明,出口集合管盲端法兰内壁面右下侧形成了<span style=\"color:red\">漩涡</span>流,连续不断冲刷壁面;<span style=\"color:red\">漩涡</span>强度随介质处理量的增加而增大,当处理量为168 t/h时,涡量值为240 s-1,切向速度达到16 m/s.模拟计算结果与实际集合管的检测结果吻合较好.同时,对平盖进行了防<span style=\"color:red\">漩涡</span>结构优化设计,在相同工况下进行数值模拟,结果表明,优化的平盖结构具有较好的防冲刷腐蚀作用.","authors":[{"authorName":"陈志静","id":"a3689b25-cc30-4414-a116-bdbb6b27145b","originalAuthorName":"陈志静"},{"authorName":"郭福平","id":"a7e4fe93-ac2b-4ff7-8a98-e3e40821195a","originalAuthorName":"郭福平"}],"doi":"10.11973/fsyfh-201508017","fpage":"775","id":"32679707-b659-4bfa-bca5-16f385e54eca","issue":"8","journal":{"abbrevTitle":"FSYFH","coverImgSrc":"journal/img/cover/FSYFH.jpg","id":"25","issnPpub":"1005-748X","publisherId":"FSYFH","title":"腐蚀与防护"},"keywords":[{"id":"cc8fd16d-5dfc-4a39-8a4c-8f81bcdbfe3b","keyword":"集合管","originalKeyword":"集合管"},{"id":"f88037e1-0843-4988-a255-a0f2688aeec3","keyword":"腐蚀机理","originalKeyword":"腐蚀机理"},{"id":"a73b5367-6ba2-4123-a1e7-f5a2c4f02918","keyword":"<span style=\"color:red\">漩涡</span>","originalKeyword":"漩涡"},{"id":"fffba064-49ef-4180-aeee-e24ca52fe74c","keyword":"FLUENT","originalKeyword":"FLUENT"},{"id":"781814fc-da8f-42b6-b1fe-0bb4fafa6282","keyword":"结构优化","originalKeyword":"结构优化"}],"language":"zh","publisherId":"fsyfh201508017","title":"基于FLUENT的重整加热炉集合管防腐蚀结构优化","volume":"36","year":"2015"},{"abstractinfo":"为了提高转炉出钢挡渣效率,改善钢水质量,需要研发出更高效低耗的新型挡渣方法.利用CFD流体模拟软件Fluent6.3,通过基于压力的分离隐式求解器,采用k-ω双方程模拟出炉内钢液不同初始液位下静态出钢过程.通过对出钢过程的流场分析,从数学模拟的角度阐述了初始液位不同高度下的<span style=\"color:red\">漩涡</span>形成时间、<span style=\"color:red\">漩涡</span>的运动轨迹、出钢过程转炉内钢液的运动特征,针对涡流引起卷渣现象的研究,为今后研制新型挡渣方法提供了理论指导.","authors":[{"authorName":"王建强","id":"2ab9a2a9-4f99-4ad7-88ec-6ef9557f0aeb","originalAuthorName":"王建强"},{"authorName":"李俊国","id":"cb37d3e7-6d93-4547-82a7-3039b760c759","originalAuthorName":"李俊国"},{"authorName":"韩志杰","id":"d5cf5a4d-c33c-45e2-9899-acb7f8f5fb69","originalAuthorName":"韩志杰"}],"doi":"","fpage":"34","id":"7bdca7c9-5aaf-41b7-9348-7f1ecf6e3fea","issue":"3","journal":{"abbrevTitle":"GTFT","coverImgSrc":"journal/img/cover/gtft1.jpg","id":"28","issnPpub":"1004-7638","publisherId":"GTFT","title":"钢铁钒钛"},"keywords":[{"id":"5a1f1f80-765b-4582-9356-f0516fae4d5e","keyword":"转炉","originalKeyword":"转炉"},{"id":"5a550382-bc81-4394-a37f-c35de9bf05ad","keyword":"挡渣","originalKeyword":"挡渣"},{"id":"24f875fd-d4a8-4f5a-a457-f8b087b58961","keyword":"<span style=\"color:red\">漩涡</span>","originalKeyword":"漩涡"},{"id":"7c4b20d5-e886-4792-85ed-73b987d52a6f","keyword":"运动轨迹","originalKeyword":"运动轨迹"},{"id":"d0a1811c-92b9-4e7d-b283-fa170c667496","keyword":"流场分析","originalKeyword":"流场分析"},{"id":"5f6671ae-3d35-4bb2-893f-679aaff80b9e","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"gtft201203008","title":"转炉出钢过程中涡流卷渣的数值模拟研究","volume":"33","year":"2012"},{"abstractinfo":"以高炉热风炉输入管路为背景,按1:120比例建立了有多个90°转弯和一个文氏管的水力模型,考察了不同入口流速激励下管路共振和极限共振时频率与功率谱特征,得到了极限共振时主要频率的功率值是共振时的上千倍及是非共振时上万倍的测量结果,以及共振、极限共振的主频幅值与管流速呈e指数变化规律.指出当主频幅值在能级跃迁以下的共振是可以控制和利用的,而当主频幅值出现能级跃迁的极限共振会对工业管路造成致命的破坏.同时利用CCD系统观察了管路激振区域内流体<span style=\"color:red\">漩涡</span>结构的急剧变化,流动显示证明,加大管流入口流速,促使管内湍流激化,而湍流中<span style=\"color:red\">漩涡</span>的生成和脱落是诱发共振及达到极限共振的主要因素.","authors":[{"authorName":"邢桂菊","id":"a7d0ea08-1010-45c0-a934-e8f32c9b3c4d","originalAuthorName":"邢桂菊"},{"authorName":"武永刚","id":"8f9cef04-e58d-478f-b2e3-513409fe1b38","originalAuthorName":"武永刚"}],"doi":"10.3969/j.issn.1001-0777.2007.06.004","fpage":"12","id":"ffeee735-bc76-4136-a2af-f8612569b6a1","issue":"6","journal":{"abbrevTitle":"WLCS","coverImgSrc":"journal/img/cover/WLCS.jpg","id":"64","issnPpub":"1001-0777","publisherId":"WLCS","title":"物理测试"},"keywords":[{"id":"b23f58cb-1e30-43fe-8f73-3770ae7bc15d","keyword":"流动诱导振动","originalKeyword":"流动诱导振动"},{"id":"abd613ce-319f-4452-a63e-a0d316beab3e","keyword":"极限共振","originalKeyword":"极限共振"},{"id":"b5ec0d5a-8de2-4bcc-ba4d-a6a985b3ffe2","keyword":"频谱","originalKeyword":"频谱"},{"id":"2179021d-42c4-4a90-bba4-e1ff0adcf562","keyword":"<span style=\"color:red\">漩涡</span>","originalKeyword":"漩涡"},{"id":"2b831177-53e0-4329-8999-bb56af4fe3eb","keyword":"能级跃迁","originalKeyword":"能级跃迁"}],"language":"zh","publisherId":"wlcs200706004","title":"热风炉管路模型共振与极限共振的频谱特征","volume":"25","year":"2007"},{"abstractinfo":"采用PIV设备测量了方腔通道内气体液雾两相交叉横向流的掺混,液滴通过旋流雾化喷嘴产生,获得了沿横流方向不同掺混横截面的液滴分布图和液滴运动流线图.比较了三种喷嘴布置角度(60°,90°,120°)在不同气流速度下的掺混效果.结果表明:在横流作用和壁面约束的影响下,流场中出现不同尺度的<span style=\"color:red\">漩涡</span>,大涡的卷吸与离心作用导致液滴分布不均匀,影响了雾滴与气相的掺混.随着掺混的发展,大涡的强度和尺寸均减小,对雾滴影响减弱,掺混变好;三种喷嘴布置角度下,60°掺混最好,90°次之,120°最差.","authors":[{"authorName":"张海滨","id":"52541bfe-e2c8-406f-945c-593b8ebd77c1","originalAuthorName":"张海滨"},{"authorName":"刘利","id":"8264b889-8087-4c27-bb1d-597f13bd1f12","originalAuthorName":"刘利"},{"authorName":"孙慧娟","id":"8848d4c4-232a-45c7-84b3-9fb3e4fdc653","originalAuthorName":"孙慧娟"},{"authorName":"白博峰","id":"956e8b0d-16d0-489b-a516-4e34133a26f4","originalAuthorName":"白博峰"}],"doi":"","fpage":"1681","id":"35b247ad-0fe3-4384-9a26-962fce58e39f","issue":"10","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"9631620e-9bb7-45be-a347-e20aa268e4b8","keyword":"横流","originalKeyword":"横流"},{"id":"b239befe-d766-4dfa-98c3-1e843328f9b7","keyword":"掺混","originalKeyword":"掺混"},{"id":"76589ab5-9dde-4ed5-82ed-3c818b0b98a8","keyword":"液滴分布","originalKeyword":"液滴分布"},{"id":"b61e0377-4336-4538-b93a-c455532a9dd8","keyword":"<span style=\"color:red\">漩涡</span>","originalKeyword":"漩涡"},{"id":"e5ed67b9-15f1-4188-9eb1-d22dfc3f8558","keyword":"PIV","originalKeyword":"PIV"}],"language":"zh","publisherId":"gcrwlxb200910017","title":"单喷嘴横流气雾两相流掺混实验研究","volume":"30","year":"2009"},{"abstractinfo":"本文利用大涡模拟模型分析薄板坯连铸钢液非稳态湍流特性,其中非稳态湍流流动N-S方程采用盒式函数进行滤波处理,亚格子模型采用Smagorinsky-Lilly模型.将大涡模拟结果与粒子图像测速及超声探伤结果进行分析比较来校正模型.通过对薄板坯连铸过程进行数值分析,获得了结晶器内非稳态钢液湍流的流动特征,包括流场的<span style=\"color:red\">漩涡</span>分布及大涡拟序结构的形成、发展、脱落和破碎过程,并发现即使水口和结晶器在几何上完全对中,结晶器内湍流分布也不对称,偏流产生是必然的,同时导致弯月面较强的波动.随着非稳态时间的延长,结晶器内钢液偏流在两侧呈现周期性变化,周期约为40 s.","authors":[{"authorName":"李宝宽","id":"eff92c8f-88c3-40bc-8556-f876865bb639","originalAuthorName":"李宝宽"},{"authorName":"刘中秋","id":"36786912-e932-4e5d-ae4e-f08bae04d6bf","originalAuthorName":"刘中秋"},{"authorName":"齐凤升","id":"fcf1320c-12ef-461f-9b47-c88148212d77","originalAuthorName":"齐凤升"},{"authorName":"王芳","id":"87642ada-4c87-4ea6-b86c-165eb48a9ae9","originalAuthorName":"王芳"},{"authorName":"徐国栋","id":"43f3a7bd-918d-46f8-aec2-6909fcb4025b","originalAuthorName":"徐国栋"}],"doi":"10.3724/SP.J.1037.2011.00464","fpage":"23","id":"52d22b87-ba68-45dd-a022-f9c8d5d6e7b8","issue":"1","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"dec8532e-8375-4ec6-8c01-8a4957b93b3e","keyword":"连铸结晶器","originalKeyword":"连铸结晶器"},{"id":"dbc5b113-9b9b-4574-b0cb-bb02f4111293","keyword":"非稳态","originalKeyword":"非稳态"},{"id":"25ddbeb1-763b-40bd-86fe-eba459b46257","keyword":"大涡模拟","originalKeyword":"大涡模拟"},{"id":"c8b16e7c-fc76-460e-8c9d-723216c1e0df","keyword":"<span style=\"color:red\">漩涡</span>","originalKeyword":"漩涡"}],"language":"zh","publisherId":"jsxb201201004","title":"薄板坯连铸结晶器非稳态湍流大涡模拟研究","volume":"48","year":"2012"},{"abstractinfo":"为研究钢液中湍流<span style=\"color:red\">漩涡</span>对钢中夹杂物行为的影响，采用 Matlab 软件对不同尺寸夹杂物所受斯托克斯阻力、重力、向心力进行分析，并构建钢液湍流<span style=\"color:red\">漩涡</span>中夹杂物运动行为模型。计算结果表明：<span style=\"color:red\">漩涡</span>中尺寸0~23μm的夹杂物以0~1m/s的初始切向速度做向心运动，逐渐聚集至涡心，其跃迁轨迹呈螺旋锥形，跃迁角、跃迁起点和终点与粒径、涡速相关。粒径、涡速越大，跃迁角越大，跃迁终点离涡心越远；而大于此尺寸范围的夹杂物惯性作用较强，离心运动趋势较大，重力将超过斯托克斯阻力成为主要作用力。通过水模拟实验得出<span style=\"color:red\">漩涡</span>中夹杂物的运动轨迹为螺旋锥形，与理论模型结果一致。","authors":[{"authorName":"赵定国","id":"e767ae24-741d-4c77-a39a-32abed3a2707","originalAuthorName":"赵定国"},{"authorName":"高茗","id":"65776149-014b-4486-861d-1cd5d314695e","originalAuthorName":"高茗"},{"authorName":"李新","id":"464f1481-1c36-4c68-9a20-0794a96353e1","originalAuthorName":"李新"},{"authorName":"王书桓","id":"2bed91c3-bf21-40fe-9d73-4446b7da207d","originalAuthorName":"王书桓"}],"doi":"10.13228/j.boyuan.issn1001-0963.20160076","fpage":"32","id":"b11c3436-c874-4026-870a-c244a9fe75e5","issue":"1","journal":{"abbrevTitle":"GTYJXB","coverImgSrc":"journal/img/cover/GTYJXB.jpg","id":"30","issnPpub":"1001-0963","publisherId":"GTYJXB","title":"钢铁研究学报"},"keywords":[{"id":"fb810a7f-681d-4a2b-97bc-d02e2bf05614","keyword":"湍流<span style=\"color:red\">漩涡</span>","originalKeyword":"湍流漩涡"},{"id":"b47ba534-1a56-48fb-85a6-f9c56b473108","keyword":"夹杂物","originalKeyword":"夹杂物"},{"id":"b77dbc94-c3fb-4f9c-965f-c2f72389ac39","keyword":"向心运动","originalKeyword":"向心运动"},{"id":"da65111f-2c76-482c-a750-35f98fde4b1d","keyword":"轨道跃迁","originalKeyword":"轨道跃迁"}],"language":"zh","publisherId":"gtyjxb201701005","title":"钢液湍流<span style=\"color:red\">漩涡</span>中夹杂物运动行为","volume":"29","year":"2017"},{"abstractinfo":"<span style=\"color:red\">漩涡</span>阻止器是用来防止或减少<span style=\"color:red\">漩涡</span>发生的特殊装置,它具有特殊的几何形状,能够优化水力机械内部的流动.在水泵吸水池内部,尤其在吸入口的周围存在着较大的<span style=\"color:red\">漩涡</span>,在吸入口的下方,安装一个\"T\"型的<span style=\"color:red\">漩涡</span>阻止器,应用PIV技术测出安装<span style=\"color:red\">漩涡</span>阻止器前后吸水池内部的流场分布,并对其流动特性进行深入分析,证明了该阻止器能够有效的减小<span style=\"color:red\">漩涡</span>发生.对这种\"T\"型<span style=\"color:red\">漩涡</span>阻止器的作用过程进行深入的研究发现,能够用摩阻理论来解释它的作用机理.","authors":[{"authorName":"李永","id":"4b23a86a-033a-4782-aaaf-63fa8ce9a078","originalAuthorName":"李永"},{"authorName":"吴玉林","id":"2203f6e3-ff8b-44ee-ba35-63e04fd08baa","originalAuthorName":"吴玉林"},{"authorName":"刘树红","id":"51ca7fc2-fc46-40ac-828d-c6620bd07129","originalAuthorName":"刘树红"},{"authorName":"袁辉靖","id":"27cdb4f4-c44c-4400-8491-b8f7d1ebd627","originalAuthorName":"袁辉靖"}],"doi":"","fpage":"424","id":"ba7bdd72-bfd5-4f97-9c9c-f3b33420d248","issue":"3","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"4c6ba95d-ae59-4634-945a-b1ca49153583","keyword":"<span style=\"color:red\">漩涡</span>阻止器","originalKeyword":"漩涡阻止器"},{"id":"f0d75759-ac75-4968-ba2d-c498d150df84","keyword":"PIV","originalKeyword":"PIV"},{"id":"d3612e66-6ac9-4da0-98df-53ac0a5c15d1","keyword":"吸水池","originalKeyword":"吸水池"},{"id":"616d0388-a62d-4495-baa6-b5122722ad5e","keyword":"被动控制","originalKeyword":"被动控制"},{"id":"d4030935-30cc-4896-b66b-7237ab40575b","keyword":"摩阻","originalKeyword":"摩阻"}],"language":"zh","publisherId":"gcrwlxb200403019","title":"<span style=\"color:red\">漩涡</span>阻止器水力性能的PIV试验分析及其机理研究","volume":"25","year":"2004"},{"abstractinfo":"本研究发展了U-RANS/PDF混合算法研究湍流和化学反应相互作用对燃烧稳定性的影响,采用有限体积和Monte Carlo相结合的方法在非结构网格中求解相容的U-RANS方程和脉动速度-湍流频率-标量的联合PDF方程.本文对钝体火焰驻定器后冷态流场进行了计算,结果表明此混合算法能够捕捉流场中非稳态的<span style=\"color:red\">漩涡</span>脱落现象.着重研究了湍流频率模型系数的改变对<span style=\"color:red\">漩涡</span>脱落频率以及拟序结构在动量输运中的作用的影响.","authors":[{"authorName":"朱旻明","id":"0b2d4f8a-e0cd-4ced-9f14-8c4d499efa9d","originalAuthorName":"朱旻明"},{"authorName":"陈义良","id":"b042e7ac-d112-4333-a286-84084fef8c93","originalAuthorName":"陈义良"},{"authorName":"叶桃红","id":"faf59ca6-c9af-472d-aad7-9704f1c3d3fe","originalAuthorName":"叶桃红"},{"authorName":"韩省思","id":"dd984870-5ab5-4191-b445-4678f15d032e","originalAuthorName":"韩省思"},{"authorName":"陈辉","id":"6f8e2dd0-8bc1-4fa9-add5-9fca11b2ee5f","originalAuthorName":"陈辉"}],"doi":"","fpage":"522","id":"49fbc6d9-aecf-4437-af28-0ce1c6c1aea6","issue":"3","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"fe772ca8-dd55-4bf3-9b00-308463d10efa","keyword":"燃烧稳定性","originalKeyword":"燃烧稳定性"},{"id":"0c7f58b1-a102-4c30-9060-c2d54ae496b5","keyword":"Monte Carlo方法","originalKeyword":"Monte Carlo方法"},{"id":"ad1f8a26-41f4-4d9a-8bef-9bf55b0e7a59","keyword":"<span style=\"color:red\">漩涡</span>脱落","originalKeyword":"漩涡脱落"},{"id":"e2d44aba-ca73-4a11-bee4-2ed0b3722a10","keyword":"概率密度函数方法","originalKeyword":"概率密度函数方法"},{"id":"a49d9439-8f6d-43b5-86e3-f74c981c001b","keyword":"非结构网格","originalKeyword":"非结构网格"}],"language":"zh","publisherId":"gcrwlxb200703051","title":"U-RANS/PDF方法计算钝体后<span style=\"color:red\">漩涡</span>脱落","volume":"28","year":"2007"},{"abstractinfo":"从数学和物理模拟两方面综述结晶器液面波动行为的研究现状,分析结晶器液面波动的特点,给出了影响液面波动的相关因素,讨论了液面波动对铸坯质量的影响及控制措施.","authors":[{"authorName":"刘和平","id":"d54b1d65-3db0-4579-a8c2-201fe514fa65","originalAuthorName":"刘和平"},{"authorName":"王忠英","id":"effd9c24-f98a-45e8-8d16-57ee138a1dab","originalAuthorName":"王忠英"}],"doi":"10.3969/j.issn.1001-1447.2002.02.014","fpage":"47","id":"474c1390-73f0-4163-8b06-fad6ede2ddea","issue":"2","journal":{"abbrevTitle":"GTYJ","coverImgSrc":"journal/img/cover/GTYJ.jpg","id":"29","issnPpub":"1001-1447","publisherId":"GTYJ","title":"钢铁研究"},"keywords":[{"id":"5286777a-2a20-49ec-a486-4fc12c2df71b","keyword":"液面波动","originalKeyword":"液面波动"},{"id":"ddb3fa0f-c701-43aa-b753-0a1b1995ca95","keyword":"卷渣","originalKeyword":"卷渣"},{"id":"588a7ae0-703f-40d6-ac05-50e22eb699a1","keyword":"<span style=\"color:red\">漩涡</span>","originalKeyword":"漩涡"}],"language":"zh","publisherId":"gtyj200202014","title":"板坯结晶器液面波动的数学物理模拟及其特点","volume":"30","year":"2002"},{"abstractinfo":"利用透射电子显微镜研究了321/Qd370qD爆炸焊接界面附近基板内的组织和前<span style=\"color:red\">漩涡</span>组织.结果表明,界面附近存在大量的非晶相、纳米晶,在距界面一定距离基板内也存在大量的纳米晶,在基板内存在调幅分解组织.前<span style=\"color:red\">漩涡</span>内存在片状孪晶马氏体和面心立方的M23 C6相.","authors":[{"authorName":"俞建","id":"bff76fc7-5873-49d7-a43f-0ffd8a921a86","originalAuthorName":"俞建"},{"authorName":"张金民","id":"99eb3e6b-c5aa-43d9-b05f-f3fb45e1c752","originalAuthorName":"张金民"}],"doi":"","fpage":"51","id":"1dea1e7c-60d7-4df9-9e2b-c59c63963160","issue":"6","journal":{"abbrevTitle":"CLKFYYY","coverImgSrc":"journal/img/cover/CLKFYYY.jpg","id":"10","issnPpub":"1003-1545","publisherId":"CLKFYYY","title":"材料开发与应用"},"keywords":[{"id":"b548b7cb-b34c-4935-b971-d11a92471996","keyword":"爆炸焊接","originalKeyword":"爆炸焊接"},{"id":"db27446c-3da6-4862-8017-e76c6ec637e9","keyword":"非晶","originalKeyword":"非晶"},{"id":"63915eb7-aec7-48c6-b795-65f92e9ec1a8","keyword":"纳米晶","originalKeyword":"纳米晶"},{"id":"fb8cd653-9a3d-41a7-8b70-ce20a52d8872","keyword":"前<span style=\"color:red\">漩涡</span>","originalKeyword":"前漩涡"},{"id":"1f2e6b0b-9348-4333-b236-ac47789473e2","keyword":"调幅分解","originalKeyword":"调幅分解"}],"language":"zh","publisherId":"clkfyyy201506010","title":"321/Qd370qD爆炸焊接基板侧界面组织特征","volume":"30","year":"2015"}],"totalpage":6,"totalrecord":55}