Results 11 to 20 of about 2,154,775 (256)
Journal of Integrative Agriculture, 2020 The accurate evaluation of maize stalk lodging resistance in different growth periods enables timely management of lodging risks and ensures stable and high maize yields. Here, we established five different sowing dates to create different conditions for
Qun WANG +9 more
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Numerical Investigation of Breaking Focused Waves and Forces on Coastal Deck Structure with Girders
Journal of Marine Science and Engineering, 2022 In the present study, breaking focused wave groups were simulated using open-source Computational Fluid Dynamics model REEF3D in order to investigate the breaking wave impact on scaled (1:10) two-dimensional coastal deck structure with girder. The effect
Rameeza Moideen, Manasa Ranjan Behera
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Influence of the Process Input Parameters on the Cross-Wire Weld Breaking Force
Tehnički Glasnik, 2022 Cross-wire welding is a type of electric resistance welding called projection welding that is used in the production of a variety of products. This paper deals with the case where steel wires of equal radii are joined together to form a reinforced steel ...
Domagoj Vrtovšnik +3 more
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Numerical Analysis on the Impact Effect of Cable Breaking for a New Type Arch Bridge
Buildings, 2023 Taking Haixin Bridge as an example, the structural response of a new type arch bridge composed of an inclined arch and a curved beam under cable breaking is analyzed numerically.
Jianhong Huo +3 more
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Numerical Simulation of TBM Three Rolling Cutters Cooperative Linear and Rotary Cutting Rock Breaking Fragmentation [PDF]
Zhengzhou Daxue xuebao. Gongxue banDuring the excavating operation of a tunnel boring machine (TBM), the disc cutters on the cutterhead work together to break up rock. To investigate the influence of cutter breaking on TBM breaking efficiency, in this study a finite element numerical ...
ZHAI Shufang +4 more
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Numerical Simulations and Experiments on Single-Tooth Rock-Breaking
Machines, 2022 The rock-breaking efficiency of a drilling tool directly affects the production costs and progress of foundation construction. It is essential to understand the mechanism of mechanical rock-breaking to improve rock-breaking efficiency.
Heyuqiu Li +5 more
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Influence of Kind of Weft Yarn on Properties of the Seersucker Woven Fabrics
AUTEX Research Journal, 2016 Seersucker woven fabrics create a unique 3D woven structure. Such 3D structure is usually received on loom by an application of two warps of different tension. However, a kind of the weft yarn also significantly influences the structure and properties of
Matusiak Małgorzata, Frącczak Łukasz
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Analysis of Mechanical Properties of Fabrics of Different Raw Material
Medžiagotyra, 2011 The study analyzes dependence of mechanical properties (breaking force, elongation at break, static friction force and static friction coefficient) on integrated fabric structure factor j and raw material density r, among the fabrics of different raw ...
Aušra ADOMAITIENĖ, Eglė KUMPIKAITĖ
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Experimental Study on Conglomerate Breaking Characteristics of Conical PDC Cutter
Shiyou jixie, 2021 In order to further improve the rock breaking efficiency and the adaptability of drilling hard and complex strata of PDC bit, a comprehensive test device of rock breaking by PDC cutter was developed. The test device was used to conduct experimental study
Xu Weiqiang +6 more
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Force calculation model of TBM disc cutter based on rock breaking mode
Meitan xuebao, 2023 The rock breaking force of the disc cutter is the core parameter for studying the efficiency and safety of TBM excavation in hard rock tunnels, the key to improve the accuracy of the calculation model is how to match the calculation model with the rock ...
Jiulei CAO +5 more
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