Results 61 to 70 of about 2,285 (211)
Analytical Solutions for Groundwater Response to Earth Tides in Thick Semiconfined Aquifers
Water Resources Research, Volume 61, Issue 1, January 2025.Abstract The tidal behavior of a well in semiconfined aquifers can be described by a diffusion equation including a leakage term. This approach is valid for thin aquifers, as long as the aquitard has low permeability relative to the aquifer. However, in cases where the aquifer is thick and the permeability of the aquitard is not low, using the existing
Xunfeng Lu, Kozo Sato, Roland N. Horne
wiley +1 more source
Механика машин, механизмов и материалов, 2011 In the paper considered the schematic circuit, operating principle and arrangement of components assemblies and mechanisms unified hydraulic control system and life support for the family prospective hydromechanical transmission MWTP.
Yu.I. Nikolaev +4 more
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The spalling decay of building bioclastic limestones of Provence (South East of France): From clay minerals swelling to hydric dilation [PDF]
, 2016 International audienceMedieval historical monuments of the Provence region (South East of France) were erected with bioclastic limestones and display different sensitivities to spalling decay.
Berthonneau, Jérémie +5 more
core +3 more sources
Advances in Civil Engineering, Volume 2025, Issue 1, 2025.The groundwater extraction will lead to a drop in water level, causing a change in the distribution of additional stress in the strata. This phenomenon leads to uneven settlement of the railway subgrade. In severe cases, this could threaten the safe operation of trains.
Baolong Li +6 more
wiley +1 more source
Механика машин, механизмов и материаловThe torque converter is designed to transmit mechanical energy from the engine through a circulating fluid flow and automatically steplessly changes, within certain limits, the angular speed and transmitted torque depending on the load on the dump truck ...
Alexander Ph. Ilyushchanka +3 more
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Journal of Advanced Transportation, Volume 2025, Issue 1, 2025.The burgeoning urbanization and construction activities pose significant challenges to the structural integrity and safety of the existing metro tunnels. This study introduces a hybrid spatial–temporal deep learning model, integrating graph convolutional network (GCN) and long short‐term memory (LSTM) networks, to predict metro tunnel displacements ...
Jianyong Chai +5 more
wiley +1 more source
Study on the Design Method of a New Hydro-Mechanical Continuously Variable Transmission System
IEEE Access, 2020 A design method for a new power-cycling hydro-mechanical continuously variable transmission (PCHMCVT) system is proposed in this study. The transmission efficiency in this method is defined to be the design standard.
Yu Xia +3 more
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Advanced continuously variable transmissions for electric and hybrid vehicles [PDF]
A brief survey of past and present continuously variable transmissions (CVT) which are potentially suitable for application with electric and hybrid vehicles is presented. Discussion of general transmission requirements and benefits attainable with a CVT
Loewenthal, S. H.
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Geofluids, Volume 2025, Issue 1, 2025.Optimizing multicluster fracturing designs in heterogeneous conglomerate reservoirs is critical due to their complex characteristics. This study employs the continuous–discontinuous element method (CDEM) to conduct engineering‐scale 3D simulations using a mathematical model incorporating rock strength heterogeneity.
Zehao Xu +6 more
wiley +1 more source
Research of Shifting Quality of Dual Hydro-mechanical Transmission
Jixie chuandong, 2018 The hydro-mechanical transmission（ HMT） is obtained by connecting hydraulic transmission and mechanical transmission in parallel. It has the advantages of high torque of hydraulic transmission and high mechanical transmission efficiency.
Xia Kuoyuan +3 more
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