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Characteristics of force acting on adjustable axial flow pump blade

WEI Peiru, CHEN Hongxun, LU Wei

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 508-513 doi: 10.1007/s11708-008-0054-x

Abstract: The internal three-dimensional turbulent flow of adjustable axial-flow pump arrangement was simulated

Keywords： three-dimensional     adjustable axial-flow     calculated     FEM     centrifugal    

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Test investigation on hydraulic losses in the discharge passage of an axial-flow pump

QIU Baoyun, CAO Haihong, JIANG Wei, GAO Zhaohui, WANG Fei

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 50-56 doi: 10.1007/s11465-007-0008-8

Abstract: In a discharge passage with a guide blade discharge circulation and secondary flow because of bend pipe, the flow in a 1-channel discharge passage of an axial flow pump is a complicated spiral flow.The results indicate that the passage hydraulic losses are not proportional to the flow discharge.As for the 1-channel passage, the axial-flow pump outlet circulation is usually too big; the passage
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Measurement and analysis of tip clearance unsteady flow spectrum in axial-flow fan rotor

LIU Bo, HOU Weimin, MA Changyou, WANG Yangang, ZHOU Qiang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 448-452 doi: 10.1007/s11708-008-0088-0

Abstract: The tip clearance unsteady flow development from the inlet to the outlet of an axial-flow rotor was revealedThe experiment provides test basis for thoroughly understanding the tip clearance unsteady flow and buildinginteraction models of tip clearance flow and main flow.

Keywords： development     endwall     unsteady pressure     pressure measurement     experiment    

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Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 390-394 doi: 10.1007/s11708-008-0087-1

Abstract: Numerical investigations on 3D flow fields in an axial flow fan with and without an inlet box have beenextensively conducted, focusing on the variation of fan performance caused by the internal flow fieldsthat although the inlet box is well designed in accordance with basic design principles, there is a flowFurthermore, this flow separation and the resulting uneven velocity distribution at the exit lead toThis research shows that the inlet box needs further improvement and such a check on the flow fields

Keywords： box     velocity distribution     accordance     Numerical     variation    

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Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 320-325 doi: 10.1007/s11708-008-0041-2

Abstract: Numerical simulation of three-dimensional turbulent flow in a multistage axial compressor blade row ishigh resolution, third-order ENN scheme is adopted to catch the shockwave and simulate the turbulent flow

Keywords： simulation     compressor     multistage     third-order     three-dimensional turbulent    

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Aerodynamic design by jointly applying S2 flow surface calculation and modern optimization methods onmultistage axial turbine

ZHAO Honglei, WANG Songtao, HAN Wanjin, FENG Guotai

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 93-98 doi: 10.1007/s11708-008-0007-4

Abstract: A three-stage axial turbine was redesigned by jointly applying S2 flow surface direct problem calculationA three-dimensional viscosity Navier–Stokes equation solver was applied for flow computation.
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Restoration of hyper-eutrophic water with a modularized and air adjustable constructed submerged plant

Jinzhong LI, Xueju LI, Shujuan SUN, Xuegong LIU, Suiliang HUANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 573-584 doi: 10.1007/s11783-011-0363-x

Abstract: A modularized and air adjustable constructed submerged plant bed (CSPB) which can be used to restore

Keywords： modularized and air adjustable constructed submerged plant bed     water purification     eco-restoration techniques    

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Influence of steel corrosion on axial and eccentric compression behavior of coral aggregate concrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1415-1425 doi: 10.1007/s11709-021-0786-9

Abstract: To study the behavior of coral aggregate concrete (CAC) column under axial and eccentric compression,corrosion and interfacial bond deterioration, the calculation models of Nu under axial

Keywords： coral aggregate concrete column     axial compression     eccentric compression     steel corrosion     calculation    

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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: The power density of axial piston pumps can benefit greatly from increased rotational speeds.However, the maximum rotational speed of axial piston machines is limited by the cavitation phenomenonderived from an analytical cavitation model to estimate the speed limitations for the same series of axialThe 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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Integrated slipper retainer mechanism to eliminate slipper wear in high-speed axial piston pumps

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0657-z

Abstract: The power density of axial piston pumps can greatly benefit from increasing the speed level.However, traditional slippers in axial piston pumps are exposed to continuous sliding on the swash plateTherefore, this paper presents a new integrated slipper retainer mechanism for high-speed axial piston

Keywords： axial piston pump     high speed     slipper wear     slipper design     retainer     lubrication model    

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New response surface model and its applications in aerodynamic optimization of axial compressor blade

LIU Xiaojia, NING Fangfei

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 541-549 doi: 10.1007/s11708-008-0077-3

Abstract: A parametric method for the axial compressor 2D blade profiles is proposed in which the blade geometriesBased on this model, a numerical aerodynamic optimization platform for the axial compressor 2D blade

Keywords： definition     objective distribution     fitting precision     combination     numerical aerodynamic    

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Impact analysis of compressor rotor blades of an aircraft engine

Y B SUDHIR SASTRY, B G KIROS, F HAILU, P R BUDARAPU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 505-514 doi: 10.1007/s11709-018-0493-3

Abstract: Frequent failures due to foreign particle impacts are observed in compressor blades of the interceptor fighter MIG-23 aircraft engines in the Ethiopian air force, supplied by the Dejen Aviation Industry. In this paper, we made an attempt to identify the causes of failure and hence recommend the suitable materials to withstand the foreign particle impacts. Modal and stress analysis of one of the recently failed MIG-23 gas turbine compressor blades made up of the following Aluminum based alloys: 6061-T6, 7075-T6, and 2024-T4, has been performed, apart from the impact analysis of the rotor blades hit by a granite stone. The numerical results are correlated to the practical observations. Based on the modal, stress and impact analysis and the material properties of the three considered alloys, alloy 7075-T6 has been recommended as the blade material.

Keywords： axial flow compressor     rotor and stator blades     aircraft engine     stress and impact analysis     aluminum alloys    

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Effect of axial load and transverse reinforcements on the seismic performance of reinforced concrete

Mounir Ait BELKACEM, Hakim BECHTOULA, Nouredine BOURAHLA, Adel Ait BELKACEM

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 831-851 doi: 10.1007/s11709-018-0513-3

Abstract: of this research is to assess the seismic performance of reinforced concrete columns under different axialEffects of variable axial load ratio and transverse reinforcement ratio on the seismic performance of

Keywords： reinforced concrete columns     axial load     transverse reinforcement     ductility    

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Design and experimental study of a passive power-source-free stiffness-self-adjustable mechanism

Yuwang LIU, Dongqi WANG, Shangkui YANG, Jinguo LIU, Guangbo HAO

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 32-45 doi: 10.1007/s11465-020-0604-4

Abstract: We propose a new passive power-source-free stiffness-self-adjustable mechanism that can be used as the

Keywords： variable stiffness mechanism     stiffness self-regulation     bionic robot     modeling    

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Bending and vibration of a discontinuous beam with a curvic coupling under different axial forces

Heng LIU, Jie HONG, Dayi ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 417-429 doi: 10.1007/s11465-019-0584-4

Abstract: equations for the deflection curve and vibration frequencies of a simply supported discontinuous beam under axialThe deflection and vibration frequencies of the discontinuous beam are studied under different axial

Keywords： discontinuous beam     bending stiffness     transverse vibration     axial loads     gyroscopic moments    

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Title Author Date Type Operation

Characteristics of force acting on adjustable axial flow pump blade

WEI Peiru, CHEN Hongxun, LU Wei

Journal Article

Test investigation on hydraulic losses in the discharge passage of an axial-flow pump

QIU Baoyun, CAO Haihong, JIANG Wei, GAO Zhaohui, WANG Fei

Journal Article

Measurement and analysis of tip clearance unsteady flow spectrum in axial-flow fan rotor

LIU Bo, HOU Weimin, MA Changyou, WANG Yangang, ZHOU Qiang

Journal Article

Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Journal Article

Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Journal Article

Aerodynamic design by jointly applying S2 flow surface calculation and modern optimization methods onmultistage axial turbine

ZHAO Honglei, WANG Songtao, HAN Wanjin, FENG Guotai

Journal Article

Restoration of hyper-eutrophic water with a modularized and air adjustable constructed submerged plant

Jinzhong LI, Xueju LI, Shujuan SUN, Xuegong LIU, Suiliang HUANG

Journal Article

Influence of steel corrosion on axial and eccentric compression behavior of coral aggregate concrete

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

Integrated slipper retainer mechanism to eliminate slipper wear in high-speed axial piston pumps

Journal Article

New response surface model and its applications in aerodynamic optimization of axial compressor blade

LIU Xiaojia, NING Fangfei

Journal Article

Impact analysis of compressor rotor blades of an aircraft engine

Y B SUDHIR SASTRY, B G KIROS, F HAILU, P R BUDARAPU

Journal Article

Effect of axial load and transverse reinforcements on the seismic performance of reinforced concrete

Mounir Ait BELKACEM, Hakim BECHTOULA, Nouredine BOURAHLA, Adel Ait BELKACEM

Journal Article

Design and experimental study of a passive power-source-free stiffness-self-adjustable mechanism

Yuwang LIU, Dongqi WANG, Shangkui YANG, Jinguo LIU, Guangbo HAO

Journal Article

Bending and vibration of a discontinuous beam with a curvic coupling under different axial forces

Heng LIU, Jie HONG, Dayi ZHANG

Journal Article