| NUMERICAL SIMULATION OF DISCONTINUOUS FLOW IN CIRCULAR CONDUITS |
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| 引用本文： | Mao Ze-Yu (Hydraulics Group,Department of hydraulic enginering,Tsinghua University,Beijing 100084,P. R. China). NUMERICAL SIMULATION OF DISCONTINUOUS FLOW IN CIRCULAR CONDUITS[J]. 水动力学研究与进展(B辑), 1996, 0(3) |
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| 作者姓名： | Mao Ze-Yu (Hydraulics Group Department of hydraulic enginering Tsinghua University Beijing 100084 P. R. China) |
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| 作者单位： | Hydraulics Group，Department of hydraulic enginering，Tsinghua University，Beijing 100084，P. R. China |
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| 摘 要： | ＮＵＭＥＲＩＣＡＬ ＳＩＭＵＬＡＴＩＯＮ ＯＦ ＤＩＳＣＯＮＴＩＮＵＯＵＳ ＦＬＯＷ ＩＮ ＣＩＲＣＵＬＡＲ ＣＯＮＤＵＩＴＳＮＵＭＥＲＩＣＡＬＳＩＭＵＬＡＴＩＯＮＯＦＤＩＳＣＯＮＴＩＮＵＯＵＳＦＬＯＷＩＮＣＩＲＣＵＬＡＲＣＯＮＤＵＩＴＳ￥ＭａｏＺｅ...
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NUMERICAL SIMULATION OF DISCONTINUOUS FLOW IN CIRCULAR CONDUITS |
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| Mao Ze-Yu. NUMERICAL SIMULATION OF DISCONTINUOUS FLOW IN CIRCULAR CONDUITS[J]. Journal of Hydrodynamics, 1996, 0(3) |
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| Authors: | Mao Ze-Yu |
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| Abstract: | A numerical model based upon both the characteristic method and the equations of continuity and momentum is presented for simulating the movement of hydraulic jumps in circular cross-sectional conduits under the unsteady flow conditions. The hydraulic jump, in the numerical simulation of unsteady flow with a moving discontinuity,was treated as a moving boundary within the computational domain defined by the spacetime grid. The laboratory tests under the unsteady flow conditions were carried out to examine the applicability of the presented numerical model of the hydraulic jump movement. Complete test results for a range of Froude numbers are presented that may be used by other researchers for the verification of mathematical model. The inclusion of initial and boundary condition is investigated. A comparison of the computed and measured results shows that the agreement between them is satisfactory. |
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| Keywords: | numerical simulation discontinuous flow moving boundary jump characteristics |
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