Results 191 to 200 of about 81,581 (351)

Asian Working Group- IAHR’s Symposium on Hydraulic Machinery and Systems

, 2018

openalex   +1 more source

Permeability of granite from a shallow buried mountain pipe gallery tunnel under unloading confining pressure

Deep Underground Science and Engineering, EarlyView.
Triaxial compression tests under unloading confining pressure conditions were conducted to systematically analyze the permeability behavior of granite retrieved from the different classification surrounding rocks. Abstract The rock mass within mountain tunnels undergoes complex changes in permeability, strength, and deformation during tunneling ...
Xiaoyan Zhang, Yonghua Ye, Jianping Zuo, Baojiang Han, Weigang Jiao   +4 more
wiley   +1 more source

Intelligent Fault Diagnosis of Hydraulic Pumps Based on Multi-Source Signal Fusion and Dual-Attention Convolutional Neural Networks. [PDF]

Sensors (Basel)
Jiang W, Gu X, Zhao Y, Tang E, Jiang X, Song Z, Zeng L.   +6 more
europepmc   +1 more source

Some in-field experiences of non-synchronous vibrations in large rotating machinery [PDF]

Some problems associated with non-synchronous vibrations are analyzed by describing three cases experienced with fairly large rotating machines in operating conditions.
Colnago, Giuseppe, Frigeri, Claudio, Vallini, Andrea, Zanetta, Gian Antonio   +3 more
core   +1 more source

Optimization of the hydrofoil cascade and validation with quasi-analytical solution for hydraulic machinery [PDF]

, 2010
T Frunză, Romeo Susan‐Resiga, Sebastian Muntean, S. I. Bernad   +3 more
openalex   +1 more source

Critical expansion points: Mechanical signs of surrounding rock instability

Deep Underground Science and Engineering, EarlyView.
This study proposes the Rock Bearing‐Expansion Model (RockBEM) with critical expansion points (CEPs) to quantify post‐peak damage stages in deep‐buried rock masses via plane strain compression test (PSCT). CEP hysteresis&interval ratios reveal bearing performance dynamics and failure severity, advancing mechanistic insights into deep underground rock ...
Jiaqi Wen, Chang Deng, Haijun Wang, Lei Tang, Jihong Yu   +4 more
wiley   +1 more source

Research into performance optimization control strategy of a hydrostatic drive bulldozer based on the constant speed cruise. [PDF]

Sci Rep
Qiang H, Li H, Kang S, Liu K, Yang J, Luo X.   +5 more
europepmc   +1 more source

A new process to develop a hydraulic system adapted to biodegradable hydraulic oil for construction machinery

, 2019
Satoshi Ohkawa, Sunkil Yun, Taketoshi HIBIYA, Hidekazu Nishimura   +3 more
openalex   +2 more sources

Motion planning and control of an installation robot for attitude adjustment of arc parts in underground shield tunneling

Deep Underground Science and Engineering, EarlyView.
Inspired by spiders, the multilegged walk‐through assembling robot for arc parts achieves high‐precision synchronous control under heavy loads through dual‐layer hydraulic pose dynamics modeling and hierarchical pressure optimization, significantly enhancing shield tunneling assembly efficiency and precision.
Quan Xiao, Guofei Xiang, Liang Liao, Lai Wei, Hongli Wang, Songyi Dian   +5 more
wiley   +1 more source

Design and Experiment of an Automatic Leveling System for Tractor-Mounted Implements. [PDF]

Sensors (Basel)
Yao H, Zhang E, Liu Y, Du J, Yin X.
europepmc   +1 more source