{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"由于非定常多相流特性,大气下水自由射流的水力性能相当复杂.本文依据弯管二次流机理确定的最优湍流模型,以六<span style=\"color:red\">喷嘴</span><span style=\"color:red\">冲击</span><span style=\"color:red\">式</span><span style=\"color:red\">水轮机</span>最术端的<span style=\"color:red\">喷嘴</span>射流作为研究对象,进行了三维非定常自由射流的数值模拟解析.定量分析了三维自由射流在不同空间方向沿程变化的两相流流态.能量构造及射流形状,为水斗提供了真实的入流条件,确认了最未端<span style=\"color:red\">喷嘴</span>射流水力效率较差的原因:由于最末端喷管的急剧弯道使得射流产生了大幅度的膨胀扩散.","authors":[{"authorName":"韩凤琴","id":"1d27c7cc-2b9b-4429-b66d-451e92a5b7d2","originalAuthorName":"韩凤琴"},{"authorName":"周晶林","id":"2d466088-8c0f-4401-af17-1381f73b40bd","originalAuthorName":"周晶林"},{"authorName":"吴迪","id":"83ef2ef1-8233-4ced-a9b1-3e6367414664","originalAuthorName":"吴迪"},{"authorName":"黄乐平","id":"7c6d2403-038e-4f4e-9555-d460e75a4c00","originalAuthorName":"黄乐平"},{"authorName":"久保田乔","id":"9b163d03-e94d-410c-bb8d-cabfc7ced643","originalAuthorName":"久保田乔"}],"doi":"","fpage":"1323","id":"e1cf9fb6-88e3-4c29-be12-585af1352af4","issue":"8","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":"d6ebe4da-f076-43f5-9566-3e10c10d92d5","keyword":"<span style=\"color:red\">多</span><span style=\"color:red\">喷嘴</span><span style=\"color:red\">冲击</span><span style=\"color:red\">式</span><span style=\"color:red\">水轮机</span>","originalKeyword":"多喷嘴冲击式水轮机"},{"id":"5313171b-83aa-4ec6-b9b4-044883160f93","keyword":"自由射流","originalKeyword":"自由射流"},{"id":"92da3055-bd38-4da6-baad-7d5f0205d63c","keyword":"三维数值仿真","originalKeyword":"三维数值仿真"},{"id":"00fe16f0-f2dc-4a8c-be43-62647bd9cea1","keyword":"弯管二次流","originalKeyword":"弯管二次流"},{"id":"3c217096-724b-4062-9212-ab5deb380997","keyword":"缩流及扩散","originalKeyword":"缩流及扩散"}],"language":"zh","publisherId":"gcrwlxb200808015","title":"三维自由射流缩流及扩散的数值研究","volume":"29","year":"2008"},{"abstractinfo":"研究了黄河砂<span style=\"color:red\">冲击</span>下<span style=\"color:red\">水轮机</span>用20SiMn钢和OCr13Ni5Mo钢冲蚀攻角效应.结果表明:冲蚀分为孕育期、增加期和稳定期三个过程;低攻角\"增重\"小于大攻角;攻角增加,冲蚀率增大.<span style=\"color:red\">水轮机</span>用钢冲蚀攻角效应奇异性与黄河砂<span style=\"color:red\">冲击</span>下\"变形冲蚀\"、\"切削\"和\"二次冲蚀\"的相对作用大小有关.","authors":[{"authorName":"王再友","id":"d75a0ca1-e634-43e5-a65d-d3b46d222a41","originalAuthorName":"王再友"},{"authorName":"陈黄浦","id":"eab7fbe9-33a6-4919-b18e-1ba3421a3c0f","originalAuthorName":"陈黄浦"},{"authorName":"龙霓东","id":"fd5af7ca-06c9-4d6f-8bbb-45debb9f45fb","originalAuthorName":"龙霓东"},{"authorName":"朱金华","id":"ad3c9993-3045-4683-809f-5259b1470059","originalAuthorName":"朱金华"}],"doi":"10.3969/j.issn.1000-3738.2002.10.005","fpage":"13","id":"24b4b95c-54fe-4c56-8272-349c7a104ec9","issue":"10","journal":{"abbrevTitle":"JXGCCL","coverImgSrc":"journal/img/cover/JXGCCL.jpg","id":"45","issnPpub":"1000-3738","publisherId":"JXGCCL","title":"机械工程材料"},"keywords":[{"id":"594ec8d5-d2d4-4fd2-83db-f664d5b457d7","keyword":"<span style=\"color:red\">水轮机</span>用钢","originalKeyword":"水轮机用钢"},{"id":"5e9e6203-030b-4d1d-8670-1cef683b6eb7","keyword":"黄河砂","originalKeyword":"黄河砂"},{"id":"b4dd4eb9-1a20-41a6-ae96-765821d96f5b","keyword":"冲蚀","originalKeyword":"冲蚀"},{"id":"1d336f44-08cb-4f43-b0a0-148603de750c","keyword":"攻角","originalKeyword":"攻角"},{"id":"cb3735b9-1c51-4ab9-af62-fe98070b03d7","keyword":"冲蚀攻角效应","originalKeyword":"冲蚀攻角效应"}],"language":"zh","publisherId":"jxgccl200210005","title":"黄河砂<span style=\"color:red\">冲击</span>下<span style=\"color:red\">水轮机</span>用钢冲蚀攻角效应","volume":"26","year":"2002"},{"abstractinfo":"本文在进行模型<span style=\"color:red\">水轮机</span>试验的基础上,完成了开敞<span style=\"color:red\">式</span>蜗壳轴流式模型<span style=\"color:red\">水轮机</span>的全流道三维定常湍流计算.计算程序以雷诺时均连续方程和N-S方程作为控制方程,选用标准κ-ε双方程湍流模型使方程组封闭.数值求解通过SIMPLEC算法实现速度、压力的分离求解,离散差分格式具有二阶精度.通过计算获得了各过流部件的流动细节,预估了<span style=\"color:red\">水轮机</span>的能量性能,并与试验结果进行了比较.","authors":[{"authorName":"吴墒锋","id":"75c6fa29-5077-41cf-a07a-c31edb2e57c6","originalAuthorName":"吴墒锋"},{"authorName":"何国任","id":"859d183e-67e7-4a1a-a6fe-574eed14e81c","originalAuthorName":"何国任"},{"authorName":"吴玉林","id":"f0c51a94-3afc-446a-bfb7-92266719f7bb","originalAuthorName":"吴玉林"},{"authorName":"刘树红","id":"2d49ccce-8e92-4aae-849f-25a8802fe098","originalAuthorName":"刘树红"}],"doi":"","fpage":"959","id":"60ed4ae4-5a51-46f5-ae83-5e96aad61730","issue":"6","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":"16f06a47-5750-4f38-98b8-0d2d52f065b9","keyword":"三维定常湍流计算","originalKeyword":"三维定常湍流计算"},{"id":"8f3b3f68-a359-4b16-8f89-1a616514bc32","keyword":"轴流式模型<span style=\"color:red\">水轮机</span>","originalKeyword":"轴流式模型水轮机"},{"id":"7298a1b3-41b5-4a47-b98a-ab1f880ca620","keyword":"开敞<span style=\"color:red\">式</span>蜗壳","originalKeyword":"开敞式蜗壳"},{"id":"fccb6c91-334b-4326-8bd1-65cd424ec01f","keyword":"性能预估","originalKeyword":"性能预估"}],"language":"zh","publisherId":"gcrwlxb200406017","title":"开敞<span style=\"color:red\">式</span>蜗壳轴流式<span style=\"color:red\">水轮机</span>湍流计算及性能预估","volume":"25","year":"2004"},{"abstractinfo":"本文利用k--Ap两相湍流模型计算<span style=\"color:red\">水轮机</span>转轮中泥沙固液两相湍流。根据液相和固相三维流速场的计算结果数值预估转轮叶片面的泥沙磨损","authors":[{"authorName":"吴伟章","id":"b466a8b7-098e-4b9e-aa70-38eb7353722b","originalAuthorName":"吴伟章"},{"authorName":"吴玉林","id":"2e42abd8-b61d-4a74-ad0f-928dbfe7c8c8","originalAuthorName":"吴玉林"},{"authorName":"任静","id":"b4d9df5b-c92f-46f5-a59e-9bc54b3db96d","originalAuthorName":"任静"},{"authorName":"唐学林","id":"744b990d-13e8-4f2a-b07b-be7ac93accd2","originalAuthorName":"唐学林"}],"doi":"","fpage":"709","id":"abc38ff7-fe5a-4a20-b1ce-d4c4e221fef2","issue":"6","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":"5df083f5-8ec6-4736-b745-4d4a18eb03db","keyword":"<span style=\"color:red\">水轮机</span>","originalKeyword":"水轮机"},{"id":"6d14d7a5-1cd5-4f30-a396-34c0be6345f3","keyword":"两相流","originalKeyword":"两相流"},{"id":"85ee18ee-8c08-4bc3-b7db-07150f48c52c","keyword":"磨损","originalKeyword":"磨损"}],"language":"zh","publisherId":"gcrwlxb200006015","title":"<span style=\"color:red\">水轮机</span>转轮内部磨损预测","volume":"21","year":"2000"},{"abstractinfo":"经过分析热喷涂层实验室模拟及<span style=\"color:red\">水轮机</span>真机运行试验,选择出耐磨性好、抗空蚀性能优良的合金粉末,以提高<span style=\"color:red\">水轮机</span>和水泵的抗磨蚀性能.","authors":[{"authorName":"薛伟","id":"0ee64552-fdcd-47af-b2b4-6cc920381812","originalAuthorName":"薛伟"},{"authorName":"崔约贤","id":"1a0449c0-ef77-42c8-9ab6-219d2a406404","originalAuthorName":"崔约贤"},{"authorName":"杨德庄","id":"76d84d0a-2ec3-492a-a918-a91801c4e0cd","originalAuthorName":"杨德庄"},{"authorName":"黄绍民","id":"71c792ff-47c0-488f-92d8-b2c54b1dfd26","originalAuthorName":"黄绍民"}],"doi":"10.3969/j.issn.1001-0777.2000.02.004","fpage":"11","id":"028d1c54-001f-4ec3-bc16-cb01b441614c","issue":"2","journal":{"abbrevTitle":"WLCS","coverImgSrc":"journal/img/cover/WLCS.jpg","id":"64","issnPpub":"1001-0777","publisherId":"WLCS","title":"物理测试"},"keywords":[{"id":"f4b29a9d-640e-4ce9-8044-9a94062ed42a","keyword":"水力机械","originalKeyword":"水力机械"},{"id":"aef408ff-d510-462c-af86-45ec33cd0652","keyword":"磨蚀","originalKeyword":"磨蚀"},{"id":"c93b7eb1-ea85-4e86-9df3-75960494752e","keyword":"热喷涂","originalKeyword":"热喷涂"},{"id":"caf883e0-a4dd-48a9-b9eb-c86d6889539c","keyword":"合金粉末","originalKeyword":"合金粉末"}],"language":"zh","publisherId":"wlcs200002004","title":"<span style=\"color:red\">水轮机</span>过流部件表面耐磨涂层研究","volume":"","year":"2000"},{"abstractinfo":"<span style=\"color:red\">水轮机</span>过流部件的磨损,降低了机组发电效率,影响水电站的正常运转,是一个关系<span style=\"color:red\">水轮机</span>安全运行的重要而特殊的问题.本文在分析<span style=\"color:red\">水轮机</span>泥沙粒冲蚀、气蚀等单一磨损机制和试验方法的基础上,探讨了泥沙冲蚀与气蚀复合磨损问题及其试验方法,并对我国浑水发电特点下<span style=\"color:red\">水轮机</span>过流部件的磨损问题的特殊性进行了分析,提出了关于<span style=\"color:red\">水轮机</span>过流部件磨损的防护和修复措施,是解决我国<span style=\"color:red\">水轮机</span>磨蚀问题的有效途径.","authors":[{"authorName":"李健","id":"834dab27-edff-4394-84bb-bff1c114e791","originalAuthorName":"李健"},{"authorName":"彭恩高","id":"513e9903-93cb-4a2f-b840-82091f1da1ba","originalAuthorName":"彭恩高"},{"authorName":"白秀琴","id":"eb3f1ff5-cabb-4972-9244-ab2c4936c671","originalAuthorName":"白秀琴"},{"authorName":"周燕","id":"cdfc7617-5e75-4268-b9c2-38234e4ce626","originalAuthorName":"周燕"},{"authorName":"孙家峰","id":"aaa3b1aa-3c02-4c60-ab9d-4a3f6048a1c8","originalAuthorName":"孙家峰"}],"doi":"10.3969/j.issn.1001-1560.2004.z1.009","fpage":"44","id":"06596e8c-1315-436a-b10e-7709ce24ec64","issue":"z1","journal":{"abbrevTitle":"CLBH","coverImgSrc":"journal/img/cover/CLBH.jpg","id":"7","issnPpub":"1001-1560","publisherId":"CLBH","title":"材料保护"},"keywords":[{"id":"78379622-0429-4c74-b6bd-cbd067459c41","keyword":"<span style=\"color:red\">水轮机</span>冲蚀气蚀磨蚀三相流","originalKeyword":"水轮机冲蚀气蚀磨蚀三相流"}],"language":"zh","publisherId":"clbh2004z1009","title":"<span style=\"color:red\">水轮机</span>过流部件的磨损问题","volume":"37","year":"2004"},{"abstractinfo":"用扫描电镜对<span style=\"color:red\">水轮机</span>叶片发生汽蚀的原因进行了详细分析,用探针对汽蚀部位的成分进行了测定.微观分析发现<span style=\"color:red\">水轮机</span>叶片(20MnSi钢)及其焊接热影响区的汽蚀为机械腐蚀疲劳.<span style=\"color:red\">水轮机</span>叶片有较大的工作应力、热影响区的晶粒粗大以及水介质的腐蚀性是产生机械腐蚀疲劳汽蚀的重要原因.","authors":[{"authorName":"余阳春","id":"c7981a33-ddc9-4a7a-aff9-3255506a27f7","originalAuthorName":"余阳春"},{"authorName":"余圣甫","id":"90d71ea6-f217-40a2-b29a-08bff7f8e35d","originalAuthorName":"余圣甫"},{"authorName":"沈满德","id":"3215de4b-e1c2-448b-9798-d1f6992f0abf","originalAuthorName":"沈满德"},{"authorName":"王铁琦","id":"e93d84d0-8f13-4d2e-88ed-d3bdf57f03d0","originalAuthorName":"王铁琦"},{"authorName":"杨其良","id":"c8ab1440-4b90-4635-9b8f-894cdcf8d8ec","originalAuthorName":"杨其良"}],"doi":"10.3969/j.issn.1001-0777.2004.04.009","fpage":"26","id":"b1665004-2076-4e08-a2e7-b78cfa39a9a3","issue":"4","journal":{"abbrevTitle":"WLCS","coverImgSrc":"journal/img/cover/WLCS.jpg","id":"64","issnPpub":"1001-0777","publisherId":"WLCS","title":"物理测试"},"keywords":[{"id":"a7a8ce68-342d-42de-ac0d-01cd1ee330fa","keyword":"<span style=\"color:red\">水轮机</span>","originalKeyword":"水轮机"},{"id":"70160a68-8ae1-43ba-afde-241262edb63f","keyword":"汽蚀","originalKeyword":"汽蚀"},{"id":"f1e1364b-e144-49ce-b934-1de74717ef1e","keyword":"20MnSi钢","originalKeyword":"20MnSi钢"},{"id":"508ffa81-9c8b-4faf-8f6e-13bde0b1d3c7","keyword":"机械腐蚀疲劳","originalKeyword":"机械腐蚀疲劳"}],"language":"zh","publisherId":"wlcs200404009","title":"<span style=\"color:red\">水轮机</span>叶片汽蚀损伤的分析","volume":"","year":"2004"},{"abstractinfo":"本文将利用RNG κ-ε湍流模型对轴流式模型<span style=\"color:red\">水轮机</span>进行了全流道三维非定常湍流计算,预测模型<span style=\"color:red\">水轮机</span>的压力脉动性能.同时,本文对轴流式模型<span style=\"color:red\">水轮机</span>进行了压力脉动试验,通过对模型<span style=\"color:red\">水轮机</span>压力脉动试验结果与数值计算结果的对比,以验证数值计算预测压力脉动性能的准确性和可行性.","authors":[{"authorName":"邵杰","id":"903c66ce-5338-47ba-8c0a-12989ffc45ef","originalAuthorName":"邵杰"},{"authorName":"刘树红","id":"aedfac22-192d-4d99-92f5-3d1bd623159c","originalAuthorName":"刘树红"},{"authorName":"吴墒锋","id":"d7991d4d-7ebc-4964-bb34-71dc72aa2c29","originalAuthorName":"吴墒锋"},{"authorName":"吴玉林","id":"f52d03de-ca89-4891-9fa8-d553f462d7c4","originalAuthorName":"吴玉林"}],"doi":"","fpage":"783","id":"60714b5e-fbac-4d62-8e4a-fc761cc33af5","issue":"5","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":"cb5656b8-3142-49c2-99b3-6ab1cb812bbd","keyword":"RNG κ-ε湍流模型","originalKeyword":"RNG κ-ε湍流模型"},{"id":"4bce7e02-2302-45ca-8ee8-0f5e1f06fd54","keyword":"轴流式<span style=\"color:red\">水轮机</span>","originalKeyword":"轴流式水轮机"},{"id":"642cf3af-4a51-44e9-ba6e-6ce31e9a45c0","keyword":"压力脉动","originalKeyword":"压力脉动"}],"language":"zh","publisherId":"gcrwlxb200805016","title":"轴流式模型<span style=\"color:red\">水轮机</span>压力脉动试验与数值计算预测","volume":"29","year":"2008"},{"abstractinfo":"<span style=\"color:red\">水轮机</span>组运行中过大的振动摆度将导致轴瓦温度过高以及上、下机架和机组本身疲劳破坏,甚至导致机组的共振,将对机组的稳定运行造成很大的影响.本文以大型轴流转桨<span style=\"color:red\">式</span><span style=\"color:red\">水轮机</span>为研究对象,在实际运行中该机组主轴的摆度在0.15～0.35 mm之间.本论文通过对轴流转桨<span style=\"color:red\">式</span><span style=\"color:red\">水轮机</span>全流道三维非定常湍流计算,主要预测了转轮后、尾水管进口及尾水管内等几个位置在未考虑主轴摆度、主轴摆度分别为0.2 mm和0.3 mm情况下的压力脉动,对以上三种情况下产生的压力脉动结果进行了比较和分析,从而探讨了轴流式<span style=\"color:red\">水轮机</span>主轴摆度对压力脉动的影响.","authors":[{"authorName":"吴墒锋","id":"37f913fd-dba8-4882-825a-82ac293bfc2d","originalAuthorName":"吴墒锋"},{"authorName":"吴玉林","id":"04f90e80-d22a-4653-9e2c-18c4e4dc620d","originalAuthorName":"吴玉林"},{"authorName":"刘树红","id":"b9310c7c-641b-413a-916e-7baf28beaa29","originalAuthorName":"刘树红"}],"doi":"","fpage":"238","id":"fecffaf2-62ac-44eb-b543-0d9611e3712f","issue":"2","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":"fa272af4-e358-4b85-8683-5a539ab4da27","keyword":"轴流式<span style=\"color:red\">水轮机</span>","originalKeyword":"轴流式水轮机"},{"id":"6d8839b2-6926-4c52-a871-8ead141ec80e","keyword":"摆度","originalKeyword":"摆度"},{"id":"ee3b85c4-b5cb-4373-b8b8-00b3bcc2852b","keyword":"压力脉动","originalKeyword":"压力脉动"}],"language":"zh","publisherId":"gcrwlxb200702018","title":"轴流式<span style=\"color:red\">水轮机</span>摆度对压力脉动的影响","volume":"28","year":"2007"},{"abstractinfo":"在不锈钢<span style=\"color:red\">水轮机</span>母材上，用周期反相电镀稀土铬，镀层厚度 约03 mm，镀层由金属基相和稀土盐颗粒第二相组成，硬度为900 Hv～1000 Hv.阳极极化 曲线测量表明：镀层的腐蚀阻力为母材的7～8倍.在模拟<span style=\"color:red\">式</span>小<span style=\"color:red\">水轮机</span>上考核，镀层的抗磨蚀 性为母材的25～28倍，为离子氮化不锈钢的10～12倍.在水电生产中应用，电镀<span style=\"color:red\">水轮机</span>的工 作寿命比原不锈钢高2～6倍.","authors":[{"authorName":"王飚","id":"bc9e2645-6374-4b31-a57e-47081f6166c0","originalAuthorName":"王飚"},{"authorName":"王宇林","id":"87a5b4d3-8932-4530-bd3b-a6328f3379bb","originalAuthorName":"王宇林"},{"authorName":"张自华","id":"8469df27-9de6-471c-bc41-fa2209a74db3","originalAuthorName":"张自华"}],"categoryName":"|","doi":"","fpage":"34","id":"3d8b4d7a-1a85-4d36-8d5d-92a30ff7cee9","issue":"1","journal":{"abbrevTitle":"ZGFSYFHXB","coverImgSrc":"journal/img/cover/中国腐蚀封面19-3期-01.jpg","id":"81","issnPpub":"1005-4537","publisherId":"ZGFSYFHXB","title":"中国腐蚀与防护学报"},"keywords":[{"id":"d29fc716-1f09-48d4-a8b3-0f0a7ccf46c9","keyword":"<span style=\"color:red\">水轮机</span>","originalKeyword":"水轮机"},{"id":"bf2ce457-091e-4c0f-adc6-59440da39320","keyword":"cavitation erosion and abrasion","originalKeyword":"cavitation erosion and abrasion"},{"id":"6e78b0e4-f862-4ea6-9890-23bd85e5cf1d","keyword":"plating","originalKeyword":"plating"},{"id":"f8de2497-f356-4d50-9e07-6335bb201509","keyword":"rare earth chromium","originalKeyword":"rare earth chromium"}],"language":"zh","publisherId":"1005-4537_2003_1_10","title":"电镀稀土铬提高<span style=\"color:red\">水轮机</span>的抗空蚀磨损能力","volume":"23","year":"2003"}],"totalpage":1775,"totalrecord":17744}