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Key technology of design and construction on immersed tube tunnel

Du Chaowei,Wang Xiuying

Strategic Study of CAE 2009, Volume 11, Issue 7,   Pages 76-80

Abstract:

Combined with the built immersed tube tunnel, comparison and selectionof dry-dock scheme, waterproof design of tube sections and joints are analyzed.The key technologys such as tube prefabrication, tube floating, tube sinking, jointing underwater and

Keywords： immersed tube tunnel     scheme comparison     waterproof design     construction technology    

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Simulation experiment of pumped sand on immersed tunnel

Zheng Aiyuan,Tan Zhongsheng,Li Zhiguo

Strategic Study of CAE 2009, Volume 11, Issue 7,   Pages 81-85

Abstract: justify;">Based on the similarity theory and simulation experiment, main construction parameters of immersedtunnel are researched.On the basis of analyzing test results, the main original parameters on construction of the immersedtunnel are verified and analyzed.tunnel.

Keywords： immersed tunnel     foundation pumped sand     simulation experiment    

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Comparative study on foundation treatment methods of immersed tunnels in China

Shaochun WANG, Xuehui ZHANG, Yun BAI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 82-93 doi: 10.1007/s11709-019-0575-x

Abstract: Based on engineering practices of four typical traffic immersed tunnels built in China, this paper detailsthe features of the four dominant foundation treatment methods for immersed tunnel construction: pileThe findings of this article could henceforth be applied to foundation treatment work in immersed tubetunnel construction.

Keywords： foundation treatment method     immersed tunnel     subsoil stress     settlement    

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Typical Underwater Tunnels in the Mainland of China and Related Tunneling Technologies

Kairong Hong

Engineering 2017, Volume 3, Issue 6,   Pages 871-879 doi: 10.1016/j.eng.2017.12.007

Abstract: underwater tunnels in the mainland of China in terms of shield-bored tunnels, drill-and-blast tunnels, and immersedwith high seismic intensity, and the treatment of serious sedimentation in a foundation channel of immersedmade regarding the three potential great strait-crossing tunnels—the Qiongzhou Strait-Crossing Tunnel, Bohai Strait-Crossing Tunnel, and Taiwan Strait-Crossing Tunnel—and issues related to these great

Keywords： Underwater tunnel     Strait-crossing tunnel     Shield-bored tunnel     Immersed tunnel     Drill and blast    

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The negative ring demolition and tunnel refitting technique of large diameter tube

Zhai Zhiguo,Huang xuejun,Yang Zhiyong

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 83-88

Abstract:

Through introducing the construction method of negative ring demolition during transforming cutter head and replacement technique of Beijing Rail Transit Line 2 bid section in detail, the experience of negative ring demolition and replacement techniques of large diameter slurry shield were summarized, which would provide reference to the implementation of the construction scheme.

Keywords： big diameter shield     negative ring     demolition     tunnel reconstruction    

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Particle-scale simulation of fluidized bed with immersed tubes

ZHAO Yongzhi, JIANG Maoqiang, CHENG Yi

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 341-345 doi: 10.1007/s11705-008-0046-8

Abstract: The resulting method was employed to simulate hydrodynamics in a fluidized bed with immersed tubes.The bubble coalescence and break-up behavior when passing the immersed tubes was successfully predictedThe gas-solid flow pattern in the fluidized bed is changed greatly because of the immersed tubes.As particles and gas are come in contact with the immersed tubes, the gas bubbles will be deformed.

Keywords： unfavorable     computational     gas-solid     particle     discrete    

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Performance analysis of an air-source heat pump using an immersed water condenser

Jie JI, Huide FU, Hanfeng HE, Gang PEI,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 234-245 doi: 10.1007/s11708-009-0056-3

Abstract: A distributed model of an air-source heat pump (ASHP) system and its experimental setup using an immersed

Keywords： air-source     heat pump     distributed model     immersed water condenser    

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Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 606-624 doi: 10.1007/s11709-023-0925-6

Abstract: A novel cambered surface steel tube damper (CSTD) with a cambered surface steel tube and two concaveThe steel tube is the main energy dissipation component and comprises a weakened segment in the middleSubsequently, two CSTD specimens with different steel tube thicknesses are fabricated and tested underA parametric study is conducted to investigate the effects of the steel tube height, diameter, and thicknessCompared with equal-stiffness design steel tube dampers, the CSTD exhibits better energy dissipation

Keywords： cambered surface steel tube damper     energy dissipation capacity     finite element model     hysteretic performance    

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Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mounted

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 333-345 doi: 10.1007/s11708-009-0061-6

Abstract: The tube bank fin is commonly used to increase the area of the heat transfer surface with a small heatThis paper focused on the effect of transversal tube pitch on the local heat transfer performance ofthe three-row flat tube bank fin mounted with VGs.On the fin surface, constructing the flow channel but without mounted VGs, the transversal tube pitchLarge transversal tube pitch is more sensitive to fin material than to fin thickness.

Keywords： heat transfer enhancement     vortex generator     finned flat tube bank     heat exchanger    

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Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 516-526 doi: 10.1007/s11708-022-0844-6

Abstract: A two-stage gas-coupled Stirling/pulse tube refrigerator (SPR), whose first and second stages respectivelyinvolve Stirling and pulse tube refrigeration cycles, is a very promising spaceborne refrigerator.

Keywords： Stirling/pulse tube refrigerator     displacer displacement     space application     phase shift     energy distribution    

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Genetic evidence in planar cell polarity signaling pathway in human neural tube defects

Chunquan Cai, Ouyan Shi

Frontiers of Medicine 2014, Volume 8, Issue 1,   Pages 68-78 doi: 10.1007/s11684-014-0308-4

Abstract:

Neural tube defects (NTDs) are a group of birth anomalies having a profound physical, emotional, andpolarity (PCP) pathway controls the process of convergent extension (CE) during gastrulation and neural tube

Keywords： planar cell polarity     neural tube defects     rare mutations    

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Experimental and statistical investigation of a new concrete-composite beam with encased polymer tube

Abdelmadjid SI SALEM,Souad AIT TALEB,Kamal AIT TAHAR

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 154-162 doi: 10.1007/s11709-015-0296-8

Abstract: The proposed design technique consists to embed a cylindrical polymer tube wrapped by a GFRP Jacket in

Keywords： design     GFRP-Jacket     polymer tube     test     reliability analysis    

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Thermal-hydraulic performance of novel louvered fin using flat tube cross-flow heat exchanger

DONG Junqi, CHEN Jiangping, CHEN Zhijiu

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 99-106 doi: 10.1007/s11708-008-0010-9

Abstract: investigate the air-side heat transfer and pressure drop characteristics of a novel louvered fins and flat tubeof tests were conducted for 9 heat exchangers with different fin space and fin length, at a constant tube-side

Keywords： obvious effect     different     thermal hydraulic     constant tube-side     Colburn    

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adsorption onto a niobium wire for electrothermal atomization atomic absorption spectrometry with a tungsten tube

Satoshi KANECO, Hiroaki KITANAGA, Hideyuki KATSUMATA, Tohru SUZUKI

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 432-435 doi: 10.1007/s11705-012-1219-z

Abstract: been developed for electrothermal atomization atomic absorption spectrometry (ETAAS) with a tungsten tube

Keywords： preconcentration     adsorption onto niobium wire     electrothermal atomization atomic absorption spectrometry     tungsten tube    

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Calculation and analysis of sub/supercritical methanol preheating tube for continuous production of biodiesel

Wen CHEN, Weiyong YING, Cunwen WANG, Weiguo WANG, Yuanxin WU, Junfeng ZHANG,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 423-431 doi: 10.1007/s11708-009-0075-0

Abstract: A methanol preheating tube is necessary for the tubular reaction system because the reaction temperatureproperties, an integration method is adopted for the design of sub/supercritical methanol preheating tube#59976;K to 600K at 16MPa and the influencing factors on the length of the preheating tubetime, the increase of tin bath’s temperature can shorten the required length of the preheating tubeAt the inlet flow rate of 0.5m/s, the required length of the preheating tube is 2.0m

Keywords： sub/supercritical methanol     preheating tube     integration method     biodiesel    

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Title Author Date Type Operation

Key technology of design and construction on immersed tube tunnel

Du Chaowei,Wang Xiuying

Journal Article

Simulation experiment of pumped sand on immersed tunnel

Zheng Aiyuan,Tan Zhongsheng,Li Zhiguo

Journal Article

Comparative study on foundation treatment methods of immersed tunnels in China

Shaochun WANG, Xuehui ZHANG, Yun BAI

Journal Article

Typical Underwater Tunnels in the Mainland of China and Related Tunneling Technologies

Kairong Hong

Journal Article

The negative ring demolition and tunnel refitting technique of large diameter tube

Zhai Zhiguo,Huang xuejun,Yang Zhiyong

Journal Article

Particle-scale simulation of fluidized bed with immersed tubes

ZHAO Yongzhi, JIANG Maoqiang, CHENG Yi

Journal Article

Performance analysis of an air-source heat pump using an immersed water condenser

Jie JI, Huide FU, Hanfeng HE, Gang PEI,

Journal Article

Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Journal Article

Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mounted

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Journal Article

Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Journal Article

Genetic evidence in planar cell polarity signaling pathway in human neural tube defects

Chunquan Cai, Ouyan Shi

Journal Article

Experimental and statistical investigation of a new concrete-composite beam with encased polymer tube

Abdelmadjid SI SALEM,Souad AIT TALEB,Kamal AIT TAHAR

Journal Article

Thermal-hydraulic performance of novel louvered fin using flat tube cross-flow heat exchanger

DONG Junqi, CHEN Jiangping, CHEN Zhijiu

Journal Article

adsorption onto a niobium wire for electrothermal atomization atomic absorption spectrometry with a tungsten tube

Satoshi KANECO, Hiroaki KITANAGA, Hideyuki KATSUMATA, Tohru SUZUKI

Journal Article

Calculation and analysis of sub/supercritical methanol preheating tube for continuous production of biodiesel

Wen CHEN, Weiyong YING, Cunwen WANG, Weiguo WANG, Yuanxin WU, Junfeng ZHANG,

Journal Article