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Enhancement Effect Towards Heat Transfer of Rotary Kiln by Intermittent Contact Between Material and Kiln Wall

Lei Xianming,Xiao Yougang

Strategic Study of CAE 2006, Volume 8, Issue 8,   Pages 39-44

Abstract:

In rotary kiln cluster moves against kiln wall.conductivity of cluster and contact heat transfer coefficient of boundary between cluster and kiln wallare deduced, then heat transfer coefficient between material and covered wall is obtained.enhancement effect towards heat transfer of rotary kiln by intermittent contact between material and kiln wall

Keywords： material     covered wall     heat transfer     enhancement effect    

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Erratum to: Efficient keyword search over graph-structured data based on minimal covered Erratum

Asieh Ghanbarpour, Abbas Niknafs, Hassan Naderi,naderi@iust.ac.ir

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 6,   Pages 809-962 doi: 10.1631/FITEE.18e0133

Abstract: Unfortunately the second author’s name has been misspelt. It should be read: Abbas NIKNAFS.
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Numerical study of droplet dynamics impinging onto steel plate covered with scale layer

Jan BOHá?EK, Ale? HORáK

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 389-398 doi: 10.1007/s11465-010-0108-8

Abstract: The steel hot rolling process is inseparably connected to an oxide layer called “scale” at high temperatures. Hydraulic descaling of rolled material is a part of all rolling trains. Surface quality after descaling is fundamental for the final surface quality of a rolled product. The process itself is not theoretically well described; various different approaches have been used to clarify the descaling problem. This paper describes the dynamics of high-speed impact between the compressible water droplet and the steel scale layer. The phenomenon is known as water hammer effect. The purpose of this study is to numerically verify the fact that impact stress can be a significant factor during the descaling process. Considering a high droplet impact speed (100–300 ms ), inferential extremely short time interval (0.1–5 μs) peaks in impact pressure reaching 300 MPa can be found. Droplet dynamics was simulated with the help of LS-Dyna solver, whereas the stress analysis was performed in ANSYS interface. The extreme pressure peaks of very short duration in an impact area are a new phenomenon in the descaling theory.

Keywords： hydraulic descaling     scale     rolling     water-hammer     descaling theory    

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Numerical simulation of squat reinforced concrete wall strengthened by FRP composite material

Ali KEZMANE,Said BOUKAIS,Mohand Hamizi

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 445-455 doi: 10.1007/s11709-016-0339-9

Abstract: The intent of this paper is to present a numerical simulation of squat reinforced concrete wall strengthened

Keywords： simulation     strengthening     reinforced concrete wall     squat wall     FRP composite material     damage     Abaqus    

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Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 376-382 doi: 10.1007/s11709-010-0086-2

Abstract: Pre-tensioned high strength trusses using alloy steel bar are widely used as glass wall supporting systemsIt is not uncommon to see many similar glass wall systems fail in the wind load test chambers under a

Keywords： tension system     glass wall     nonlinear analysis     pre-tensioning     second-order analysis    

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Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 93-100 doi: 10.1007/s11709-009-0015-4

Abstract: Rectangular-closed-diaphragm-wall foundation is a new type of bridge foundation.Diaphragm wall-soil-cap interaction was studied using a model test.Due to the existence of cap, there is a “weakening effect” in inner shaft resistance of the upper wallsegments, and there is “enhancement effect” in the lower wall segments and in toe resistance.

Keywords： diaphragm wall     bridge foundation     low cap     interaction    

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Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1128-1143 doi: 10.1007/s11709-021-0753-5

Abstract: This paper provides insight into the seismic behavior of a full-scale precast reinforced concrete wallThe tested wall exhibited flexural cracks, owing to the high aspect ratio and considerable out-of-planeThe wall performed satisfactorily by exhibiting competent seismic parameters and deformation characteristicsto study the effect of backfill density and aspect ratio on seismic response of the proposed precast wall

Keywords： precast wall     basement wall     out-of-plane response     quasi-static test     sand backfill     seismic parameters    

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The behavior of a rectangular closed diaphragm wall when used as a bridge foundation

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 398-420 doi: 10.1007/s11709-012-0175-5

Abstract: The rectangular closed diaphragm (RCD) wall is a new type of bridge foundation.as well as the settlement, axial force and load-sharing ratio of a vertically loaded RCD wall.It was found that under lateral loading, the RCD wall behaves as an end-bearing friction wall duringpoint, and the horizontal displacement of the soil core is greater than that of the wall body.resistance of the wall body and is inversely proportional to the loading borne by the soil core.

Keywords： diaphragm wall     soil core     bridge foundation     FLAC3D     bearing behavior    

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Seismic behavior of cantilever wall embedded in dry and saturated sand

Sanku KONAI, Aniruddha SENGUPTA, Kousik DEB

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 690-705 doi: 10.1007/s11709-020-0615-6

Abstract: In this paper, the behavior of a small scale model embedded cantilever retaining wall in dry and saturatedThe maximum lateral displacement of a cantilever wall due to seismic loading is below 1% of the totalheight of the wall in dry sand, but in case of saturated sand, it can go up to 12.75% of the total heightof the wall.

Keywords： embedded cantilever wall     shake table test     FLAC2D     seismic loading     saturated and dry sand    

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Environmental and human health impact assessment of major interior wall decorative materials

Bingqing ZHANG, Ruochen ZENG, Xiaodong LI

Frontiers of Engineering Management 2019, Volume 6, Issue 3,   Pages 406-415 doi: 10.1007/s42524-019-0025-4

Abstract: Despite the growing interest in green products in the interior wall decorative material market, knowledge, and territorial scope of various emissions are defined to facilitate comparison study of interior wall

Keywords： life cycle assessment     human health impact     integrated assessment     interior wall decorative material     green    

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Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1131-1151 doi: 10.1007/s11709-020-0660-1

Abstract: This paper presents a developed meta-heuristic algorithm to optimize the shear walls of tall reinforced concrete buildings. These types of walls are considered as lateral resistant elements. In this paper, Quantum Charged System Search (QCSS) algorithm is presented as a new optimization method and used to improve the convergence capability of the original Charged System Search. The cost of tall building is taken as the objective function. Since the design of the lateral system plays a major role in the performance of the tall buildings, this paper proposes a unique computational technique that, unlike available works, focuses on structural efficiency or architectural design. This technique considers both structural and architectural requirements such as minimum structural costs, torsional effects, flexural and shear resistance, lateral deflection, openings and accessibility. The robustness of the new algorithm is demonstrated by comparing the outcomes of the QCSS with those of its standard algorithm.

Keywords： Quantum Charged System Search     shear wall     layout optimization     tall buildings    

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Numerical modeling of current-induced scour around multi-wall foundation using large-eddy simulation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 546-565 doi: 10.1007/s11709-023-0943-4

Abstract: However, research concerning the scour mechanism of multi-wall foundations (MWFs) remains scarce, hinderingSubsequently, the scouring effects of four MWFs with different wall arrangements and inflow angles, includingan inflow angle of 0° was smaller than that of those with an inflow angle of 45°, regardless of the wallcomparative analysis should be performed to consider comprehensively whether to adopt the form of a round wall

Keywords： multi-wall foundation     current-induced scour     bridge foundation     large-eddy simulation     numerical analysis    

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A new damage quantification approach for shear-wall buildings using ambient vibration data

Seung-Hun SUNG,Hyung-Jo JUNG

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 17-25 doi: 10.1007/s11709-014-0278-2

Abstract: This paper presents a new approach to estimate damage severity for shear-wall buildings using diagonalfundamental concept for quantifying the damage of realistic buildings by investigating an idealized shear-wallNumerical studies were performed on a 5-story shear-wall building model to validate the applicabilityExperiments were also conducted on a 5-story shear-wall building model for which the system parametersfrom the experimental validations demonstrated that the performance of the presented method for shear-wall

Keywords： damage identification     modal flexibility     damage quantification     shear-wall buildings    

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Response of basement wall in tall buildings foundation under lateral loading

Irfan JAMIL; Irshad AHMAD; Aqeel Ur REHMAN; Aqib AHMED; Ameer HAMZA; Wali ULLAH

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1415-1423 doi: 10.1007/s11709-022-0885-2

Abstract: Conventionally, during the foundation design, engineers have not considered the basement wall contributionresearch work, an experimental study was performed on small-scale models, in order to study basement wall2, 2 × 3, and 3 × 3 patterns were tested as a pile group, piled raft and piled raft with a basement wallResults show that when a basement wall is present, the lateral displacement decreases and the demand

Keywords： basement wall     lateral load     displacement     piled raft    

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Research on a quantificational method for chromatic-light emotions of architectural wall coatings in

Ting WANG, Ma JIAN, Gang LIU, Xiaoxi LIU, Mingyu ZHANG

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 498-502 doi: 10.1007/s11709-010-0096-0

Abstract: This paper took chromatic-light-induced-emotion towards architectural wall coatings in landscape as the

Keywords： landscape illumination     architectural wall coatings     chromatic-light emotion     quantitative research    

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Title Author Date Type Operation

Enhancement Effect Towards Heat Transfer of Rotary Kiln by Intermittent Contact Between Material and Kiln Wall

Lei Xianming,Xiao Yougang

Journal Article

Erratum to: Efficient keyword search over graph-structured data based on minimal covered

Asieh Ghanbarpour, Abbas Niknafs, Hassan Naderi,naderi@iust.ac.ir

Journal Article

Numerical study of droplet dynamics impinging onto steel plate covered with scale layer

Jan BOHá?EK, Ale? HORáK

Journal Article

Numerical simulation of squat reinforced concrete wall strengthened by FRP composite material

Ali KEZMANE,Said BOUKAIS,Mohand Hamizi

Journal Article

Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Journal Article

Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

Journal Article

Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane

Journal Article

The behavior of a rectangular closed diaphragm wall when used as a bridge foundation

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Journal Article

Seismic behavior of cantilever wall embedded in dry and saturated sand

Sanku KONAI, Aniruddha SENGUPTA, Kousik DEB

Journal Article

Environmental and human health impact assessment of major interior wall decorative materials

Bingqing ZHANG, Ruochen ZENG, Xiaodong LI

Journal Article

Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Journal Article

Numerical modeling of current-induced scour around multi-wall foundation using large-eddy simulation

Journal Article

A new damage quantification approach for shear-wall buildings using ambient vibration data

Seung-Hun SUNG,Hyung-Jo JUNG

Journal Article

Response of basement wall in tall buildings foundation under lateral loading

Irfan JAMIL; Irshad AHMAD; Aqeel Ur REHMAN; Aqib AHMED; Ameer HAMZA; Wali ULLAH

Journal Article

Research on a quantificational method for chromatic-light emotions of architectural wall coatings in

Ting WANG, Ma JIAN, Gang LIU, Xiaoxi LIU, Mingyu ZHANG

Journal Article