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Numerical modeling of cavitation on spillway’s flip bucket

Abbas PARSAIE,Sadegh DEHDAR-BEHBAHANI,Amir Hamzeh HAGHIABI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 438-444 doi: 10.1007/s11709-016-0337-y

Abstract: In this paper, using Flow 3D as CFD commercial tool, the cavitation phenomenon was assessed along spillway'snumerical modeling, it was found that RNG turbulence model is a suitable performance for modeling the cavitationPhysical modeling shows that minimum cavitation index is about 0.85 and minimum cavitation index basedResults of numerical simulation show that occurrence of cavitation based on cavitation index equal to

Keywords： cavitation Index     numerical simulation     spillway’s flip Bucket     CFD     Balaroud Dam     physical modeling    

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Recent Developments in Hydrodynamic Cavitation Reactors: Cavitation Mechanism, Reactor Design, and Applications Review

Haoxuan Zheng, Ying Zheng, Jesse Zhu

Engineering 2022, Volume 19, Issue 12,   Pages 180-198 doi: 10.1016/j.eng.2022.04.027

Abstract:

Hydrodynamic cavitation is considered to be a promising technology for process intensification, dueIn the past decade, advancements have been made in the fundamental understanding of hydrodynamic cavitation, the design of cavitation reactors, cavitation-induced reaction enhancement, and relevant industrialThe design parameters of a hydrodynamic cavitation reactor and reactor performance at the laboratoryThe unique features of hydrodynamic cavitation have been widely applied to various chemical reactions

Keywords： Hydrodynamic cavitation     Cavitation nuclei     Hydroxyl radicals     Stationary/rotational hydrodynamic cavitationreactor     Reaction enhancement     Cavitation application    

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Ultrasonic emulsification: basic characteristics, cavitation, mechanism, devices and application

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1560-1583 doi: 10.1007/s11705-022-2160-4

Abstract: and summarizes knowledge of ultrasonic emulsification, including emulsion characteristics, acoustic cavitationThe combination of microfluidics and ultrasound is highlighted with huge advantages in controlling cavitation

Keywords： nanoemulsion     ultrasound     microreactor     multiphase     energy    

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General Optimization Design Research of Metallic Materials to Resist Cavitation Erosion and Abrasion

Wang Biao,Zhang Zihua,Wang Yudong

Strategic Study of CAE 2000, Volume 2, Issue 2,   Pages 64-67

Abstract:

For the design optimization of erosion and abrasion resisting metallic materials basic study and productively applied research were conducted. Basic study indicates that W, Co and Cr have better erosion and abrasion resisting property than other ones among ten useful constructive metals. Productively applied researche indicates that thermal sprayed WC- M hard faced ceramics in the tungsten parental materials, rare earth plating chromium in the chromium parental materials, and CoCrWC hard faced ceramic in the cobalt parental materials are better erosion and abrasion resisting materials with high performance and low cost.

Keywords： hydraulic turbine     cavitation erosion and abrasion materials     design    

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The cavitation erosion damage process of dynamically loaded journal bearings

MA Yan-yan, CHENG Xian-hua

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 461-464 doi: 10.1007/s11465-006-0059-2

Abstract: The cavitation damage model was built using finite element analysis software MSC.Marc.damage mechanics when a jet created by bubble collapse acted on the bearing surface in the process of cavitationload can be calculated efficiently using the proposed method, which develops a new method of analyzing cavitation

Keywords： bearing     fraction increase     collapse     process     evolvement    

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The Theorem of the Resistance of Hydraulic Machine's Materials to Cavitation Erosion and Abrasion

Wang Biao,Wang Yudong,Zhang Zihua,Ye Xianguo

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 58-61

Abstract:

In order to confirm the dependence of the resistance of cavitation erosion and abrasion (CEA) on theNiCr alloy coating, boron stainless steel and titanium) were used to do the experiments of CEA and cavitation

Keywords： hydraulic machine´     s materials     cavitation erosion and abrasion     theorem    

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Fast scaling approach based on cavitation conditions to estimate the speed limitation for axial piston

Qun CHAO, Jianfeng TAO, Junbo LEI, Xiaoliang WEI, Chengliang LIU, Yuanhang WANG, Linghui MENG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 176-185 doi: 10.1007/s11465-020-0616-0

Abstract: However, the maximum rotational speed of axial piston machines is limited by the cavitation phenomenonThis paper presents a scaling law derived from an analytical cavitation model to estimate the speed limitationsThe cavitation model is experimentally verified using a high-speed axial piston pump, and the scalingThis constant can represent the comprehensive capacity of axial piston pumps free from cavitation.

Keywords： axial piston pump     cavitation     speed limitation     scaling law    

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Cavitation in semi-open centrifugal impellers for a miniature pump

LUO Xianwu, LIU Shuhong, ZHANG Yao, XU Hongyuan

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 31-35 doi: 10.1007/s11708-008-0011-8

Abstract: Cavitation in miniature pumps was investigated experimentally for two semi-open centrifugal impellersturbulence model and the VOF cavitation model.The results show that the miniature pumps have similar cavitation performances as an ordinary-size pump, with the cavitation performance of the semi-open impeller reduced by increased axial tip clearancesAlso, both the hydraulic and cavitation performance of the semi-open impeller were improved by the leaned

Keywords： cavitation performance     semi-open impeller     increased     two-dimensional     efficiency    

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Failure Processes Micro-characteristic Studies of Two Materials to Resist Cavitation Erosion and to Resist

Wang Biao,Wang Yudong,Zhang Zihua,He Xiaokui,Zhu Xiaoli

Strategic Study of CAE 2001, Volume 3, Issue 8,   Pages 82-86

Abstract:

A typical cavitation erosion resisting sample,the weld deposited coationg of boronic stainless steelresults indicate that the weld deposited coating of boronic stainless steel has better resistance to cavitation

Keywords： cavitation erosion     erosion and abrasion     micro-characteristic    

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Research on port ecological suitability evaluation index system and evaluation model

Yaofeng XIE,Xia LV,Ru LIU,Liuyan MAO,Xiaoxi LIU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 65-70 doi: 10.1007/s11709-014-0258-6

Abstract: pointed out the characteristics of port ecological effects and the principles of selecting evaluation indexOn this basis, we constructed the port ecological suitability evaluation index.analytic hierarchy process, to meet the multi-level, multi-objective characteristics of evaluation indexThe evaluation index system and evaluation model can be used to analysis the ecological suitability of

Keywords： port     ecological suitability     press-state-response (PSR) model     evaluation index system    

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A total torque index for dynamic performance evaluation of a radial symmetric six-legged robot

Kejia LI, Xilun DING, Marco CECCARELL

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 2,   Pages 219-230 doi: 10.1007/s11465-012-0320-9

Abstract:

This article focuses on the dynamic index and performance of a radial symmetric six-legged robot.A novel index of total torque is proposed by considering the posture of the supporting legs.The new index can be used to optimize the leg’s structure and operation for consuming minimum powerMain influences are outlined as well as the usefulness of the proposed performance index.

Keywords： six-legged robots     dynamic modeling     performance index    

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determination of tobramycin by reversed-phase ion-pair high performance liquid chromatography with a refractive index

Liang ZHU, Jingkang WANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 322-328 doi: 10.1007/s11705-013-1348-z

Abstract: method used reversed-phase ion-pair high performance liquid chromatography (HPLC) with a refractive index

Keywords： tobramycin     aminoglycoside     refractive index detector     high-performance liquid chromatography     ion-pairing    

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Isolating higher yielding and more stable rice genotypes in stress environments: fine-tuning a selection method using production and resilience score indices

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023521

Abstract:

● Score index methods readily discriminate genotypes adapted to a target

Keywords： Aerobic rice     breeding selection     drought resilience     production capacity index     resilience capacityindex     stress score index     upland    

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Augmentation of natural convective heat transfer by acoustic cavitation

Jun CAI, Xiulan HUAI, Shiqiang LIANG, Xunfeng LI,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 313-318 doi: 10.1007/s11708-009-0064-3

Abstract: An experimental study was conducted to investigate the effects of acoustic cavitation on natural convectiveThe experimental results indicated that heat transfer could be enhanced by acoustic cavitation and had

Keywords： heat transfer enhancement     augmentation     acoustic cavitation     acoustic streaming     convective heat transfer    

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SUSTAINABLE NITROGEN MANAGEMENT INDEX: DEFINITION, GLOBAL ASSESSMENT AND POTENTIAL IMPROVEMENTS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 356-365 doi: 10.15302/J-FASE-2022458

Abstract:

● A composite N management index is proposed to measure agriculture

Keywords： global assessment     indicator     nitrogen management     sustainable agriculture     sustainable development goals    

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Title Author Date Type Operation

Numerical modeling of cavitation on spillway’s flip bucket

Abbas PARSAIE,Sadegh DEHDAR-BEHBAHANI,Amir Hamzeh HAGHIABI

Journal Article

Recent Developments in Hydrodynamic Cavitation Reactors: Cavitation Mechanism, Reactor Design, and Applications

Haoxuan Zheng, Ying Zheng, Jesse Zhu

Journal Article

Ultrasonic emulsification: basic characteristics, cavitation, mechanism, devices and application

Journal Article

General Optimization Design Research of Metallic Materials to Resist Cavitation Erosion and Abrasion

Wang Biao,Zhang Zihua,Wang Yudong

Journal Article

The cavitation erosion damage process of dynamically loaded journal bearings

MA Yan-yan, CHENG Xian-hua

Journal Article

The Theorem of the Resistance of Hydraulic Machine's Materials to Cavitation Erosion and Abrasion

Wang Biao,Wang Yudong,Zhang Zihua,Ye Xianguo

Journal Article

Fast scaling approach based on cavitation conditions to estimate the speed limitation for axial piston

Qun CHAO, Jianfeng TAO, Junbo LEI, Xiaoliang WEI, Chengliang LIU, Yuanhang WANG, Linghui MENG

Journal Article

Cavitation in semi-open centrifugal impellers for a miniature pump

LUO Xianwu, LIU Shuhong, ZHANG Yao, XU Hongyuan

Journal Article

Failure Processes Micro-characteristic Studies of Two Materials to Resist Cavitation Erosion and to Resist

Wang Biao,Wang Yudong,Zhang Zihua,He Xiaokui,Zhu Xiaoli

Journal Article

Research on port ecological suitability evaluation index system and evaluation model

Yaofeng XIE,Xia LV,Ru LIU,Liuyan MAO,Xiaoxi LIU

Journal Article

A total torque index for dynamic performance evaluation of a radial symmetric six-legged robot

Kejia LI, Xilun DING, Marco CECCARELL

Journal Article

determination of tobramycin by reversed-phase ion-pair high performance liquid chromatography with a refractive index

Liang ZHU, Jingkang WANG

Journal Article

Isolating higher yielding and more stable rice genotypes in stress environments: fine-tuning a selection method using production and resilience score indices

Journal Article

Augmentation of natural convective heat transfer by acoustic cavitation

Jun CAI, Xiulan HUAI, Shiqiang LIANG, Xunfeng LI,

Journal Article

SUSTAINABLE NITROGEN MANAGEMENT INDEX: DEFINITION, GLOBAL ASSESSMENT AND POTENTIAL IMPROVEMENTS

Journal Article