Results 41 to 50 of about 149,021 (120)

Optimum Design of Pump Intake using CFD for Improving Hydraulic Performance

Applications of Modelling and Simulation, 2020
A new El-Tabiya pumping station in Alexandria Governorate is considered in this work. The station consists of six axial pumping units. The old station is replaced by a new one and the old sump is reused.
Elzahry Farouk Elzahry , Ashraf Ghanem
doaj  

OPTIMUM HYDRAULIC DESIGN FOR INVERTED SIPHON

Al-Qadisiyah Journal for Engineering Science, 2008
In this research, optimum hydraulic design for siphon has been studied depending on the method of optimization (Modified Hooke and Jeeves) with some modifications. Some modifications on this method have done.
Thulfikar Razzak Al- Husseini
doaj  

Dynamics of Circumferential Torque Hydraulic Shock Generator

Shiyou jixie, 2015
The circumferential torque hydraulic shock generator may effectively inhibit "stuck and slip" during the process of drilling operations.This paper presents the structure and principles of the circumferential torque hydraulic shock generator,and provides ...
Li Meiqiu, Cao Yu, Wang Qiangjun, Li Ning, Huang Tiancheng   +4 more
doaj  

Modelo matemático aplicado à irrigação localizada com microtubos sob regime de escoamento turbulento Mathematic model applied to drip irrigation with microtubs under turbulent flow

Engenharia Agrícola, 2011
O presente trabalho teve como objetivos, desenvolver dois modelos matemáticos para dimensionamento de microtubos em irrigação localizada, operando sob regime de escoamento turbulento, nos quais foram incluídas as perdas de carga no microtubo, perda de ...
Wanderley de J. Souza, Tarlei A. Botrel, Alexsandro C. dos S. Almeida, Cristina B. Correa   +3 more
doaj   +1 more source

Design and Experimental Investigation of a Self-Propelled Sea Buckthorn Cutting Harvester with a Reciprocating Cutter

Agriculture
To address longstanding challenges in sea buckthorn harvesting—such as the absence of effective harvesting principles, inefficient traditional manual and semi-mechanised methods, and rising labour costs—this study developed a self-propelled harvester ...
Jian Song, Jin Lei, Xinyan Qin, Zhihao Chen, Xiaodong Lang, Junyang Wang, Weibing Wang, Cheng Tang   +7 more
doaj   +1 more source

UTILIZAÇÃO DA METODOLOGIA GRANADOS PARA A OTIMIZAÇÃO DE REDES HIDRÁULICAS MALHADAS

Revista Brasileira de Engenharia Agrícola e Ambiental
RESUMO O método Granados de otimização, desenvolvido para redes ramificadas, foi associado à metodologia dos anéis de Hardy Cross e aplicado a redes malhadas.
Antonio Farias Leal, Heber Pimentel Gomes   +1 more
doaj   +1 more source

Study and Application of the Inverse Problem on Hydraulics

工程科学与技术, 2006
:The hydraulic inverse problems can be applied in many fields such as comprehensive ecological improvement, groundwater resources protection, hydraulic engineering, ocean engineering etc.
doaj  

Subchondral physiology and vasculo-mechanical factors in load transmission and osteoarthritis

Bone & Joint Research, 2021
Michael C. Beverly, David W. Murray
doaj   +1 more source

Torsional vibration analysis of the power transmission system in a hydraulic rail engineering vehicle

机车电传动
Torsional vibration represents a crucial aspect of vibration in power transmission systems, especially for rail engineering vehicles featuring long power transmission pathways.
XU Kun, LUO Yaoxiang, ZHANG Yayu, LI Huawei   +3 more
doaj  

Xylem anatomy and pit architecture but not perforation-plate types shape hydraulic strategies against hypersaline and drought stress in eight woody mangroves. [PDF]

Tree Physiol
Wei Y, Jiang X, Choat B, Aritsara ANA, Cao K, Chen Y.   +5 more
europepmc   +1 more source