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                  [1]徐順,龍新平,季斌,等.軸流式噴水推進泵內渦與空化相互作用[J].哈爾濱工程大學學報,2020,41(7):951-957.[doi:10.11990/jheu.201907002]
                   XU Shun,LONG Xinping,JI Bin,et al.Investigation on the mechanism between vortex and cavitation in an axial waterjet pump[J].hebgcdxxb,2020,41(7):951-957.[doi:10.11990/jheu.201907002]
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                  軸流式噴水推進泵內渦與空化相互作用(/HTML)
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                  《哈爾濱工程大學學報》[ISSN:1006-6977/CN:61-1281/TN]

                  卷:
                  41
                  期數:
                  2020年7期
                  頁碼:
                  951-957
                  欄目:
                  出版日期:
                  2020-07-05

                  文章信息/Info

                  Title:
                  Investigation on the mechanism between vortex and cavitation in an axial waterjet pump
                  作者:
                  徐順1 龍新平1 季斌1 李貴斌2
                  1. 武漢大學 水資源與水電工程國家重點實驗室, 湖北 武漢 430072;
                  2. 中國船舶設計研究院 噴水推進技術國家重點實驗室, 上海 200011
                  Author(s):
                  XU Shun1 LONG Xinping1 JI Bin1 LI Guibin2
                  1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China;
                  2. State Key Laboratory of Waterjet Propulsion Technology, Marine Design and Research Institute of China, Shanghai 200011, China
                  關鍵詞:
                  噴水推進泵空化水力性能數值模擬渦量輸運臨界空化柱坐標系
                  分類號:
                  S277.9;TH312
                  DOI:
                  10.11990/jheu.201907002
                  文獻標志碼:
                  A
                  摘要:
                  噴水推進泵內空化的發生直接影響推進效率,尤其是進入性能陡降工況,針對目前對該工況下噴水推進泵內渦與空化相互作用認知不足AG复古花园,極需從機理方面展開研究AG复古花园。本文采用分離渦流模擬(detached eddy simulation, DES)湍流模型Zwart-Gerber-Belamri (ZGB)空化模型對性能陡降工況下的噴水推進泵內部空化流場進行數值模擬,并結合柱坐標系下的渦量輸運方程對噴水推進泵內渦與空化的相互作用機理進行分析。研究表明:數值計算的空化性能曲線與實驗測量結果吻合較好;渦線拉伸扭曲項與渦量分布密切相關;斜壓矩項和膨脹項主要集中在汽液交界面處,會引起渦量場的重新分布,并且膨脹項的量級要大于斜壓矩項;在間隙處AG复古花园,粘性耗散性量級較大,粘性耗散項的作用不可忽略AG复古花园。

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                  [17] 程懷玉, 白曉蕊, 龍新平, 等. 間隙空化流動的非定常特性研究及驗證確認分析[J]. 水動力學研究與進展, 2018, 33(6):736-739.CHENG Huaiyu, BAI Xiaorui, LONG Xinping, et al. Numerical investigation of unsteady tip-leakage cavitating flow with verification and validation procedures[J]. Chinese journal of hydrodynamics, 2018, 33(6):736-739.
                  [18] 李蒙, 涂正光, 徐晶磊. 高雷諾數槽道湍流的壁面AG复古花园;鬁u模擬研究[J]. 航空動力學報, 2015, 30(11):2705-2712.LI Meng, TU Zhengguang, XU Jinglei. Investigation on wall modeled large eddy simulation of channel turbulent flow in high Reynolds number[J]. Journal of aerospace power, 2015, 30(11):2705-2712.
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                  備注/Memo

                  備注/Memo:
                  收稿日期:2019-07-01。
                  基金項目:國家自然科學基金優秀青年基金項目(51822903)AG复古花园;國家自然科學基金面上項目(51576143).
                  作者簡介:徐順,男,博士研究生;季斌,男,教授,博士生導師.
                  通訊作者:季斌,E-mail:jibin@whu.edu.cn.
                  更新日期/Last Update: 2020-08-15
                  AG复古花园

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