Results 81 to 90 of about 3,835 (233)
Environmental Progress &Sustainable Energy, EarlyView.Abstract Brazed plate heat exchanger (BPHE) was analyzed using computational fluid dynamics (CFD) simulations by ANSYS Fluent to investigate the chevron‐patterned plates. The influence of geometric parameters, including corrugation pitch, depth, and angle was analyzed.
J. S. Huang, K. B. Then, X. W. Wang
wiley +1 more source
Shiyou jixieTo address the underperformance of jet pump deliquification in high water cut tight gas reservoirs of Qingshimao field， optimizing the jet pump deliquification technology of high water-cut tight gas reservoirs is imperative.
Li Wanzhong +4 more
doaj +3 more sources
Energy Science &Engineering, EarlyView.Flow characteristics and pressure loss mechanisms of a reverse circulation converter in dual‐wall drill pipes are systematically investigated using CFD and response surface methodology. The results reveal the dominant role of inertial dissipation and provide a predictive framework for optimizing converter design and operational parameters. ABSTRACT The
Mingming Geng +8 more
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Gong-kuang zidonghua, 2011 For actual demand of nearly horizontal hole drilling of coal seam methane, the paper proposed a scheme of auto-orientation of jet stream of hydraulic correction combining with hydraulic correction technology and designed a correction system based on the ...
LI Lei-ming +3 more
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Hydraulics of duckbill valve jet diffusers
, 2012 In recent years duckbill-shaped elastomer check valves have been installed on many oceanic outfalls and diffusers to prevent sea water and sediment intrusion. Unlike fixed diameter ports, the duckbill valve jet velocity varies nonlinearly with port discharge flow.
openaire +2 more sources
FlexMat, EarlyView.Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu +3 more
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A prediction model for the slot depth of high pressure water jet
Results in Physics, 2018 Coal mines in China are characterized by low permeability, and hydraulic slotting is an effective technique to increase the gas permeability of coal. However, the slot depth cannot be accurately determined, which results in the layout parameters of the ...
Yongjiang Zhang, Quanle Zou
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Artificial structures for human‐machine interfaces with closed‐loop interaction
FlexMat, EarlyView.Artificial structures bridge sensing and feedback in closed‐loop human‐machine interfaces by providing geometry‐enabled mechanical and functional programmability. This review maps the role of artificial structures in diverse sensing modalities and feedback strategies, and illustrates their integration into closed‐loop interaction systems, highlighting ...
Taiqi Hu +4 more
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Gong-kuang zidonghuaLimited by the confined spaces and complex coal and rock conditions in underground mines, hydraulic jet drilling requires smaller nozzles to create larger hole diameters. This study focused on optimizing the key layout parameters for the forward nozzles,
BA Quanbin
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Shiyou jixie, 2021 The current hydraulic cave-making methods cannot determine the geometric size and shape of the caverns of vertical wells for coal-bed methane development, while the mechanical cavern-making method is prone to cutter bar deformation and tools falling into
Yang Ruiyue +5 more
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