Results 31 to 40 of about 279,983 (306)

Development of Smoothed Particle Hydrodynamics based water hammer model for water distribution systems

open access: yesEngineering Applications of Computational Fluid Mechanics, 2023
Smoothed Particle Hydrodynamics (SPH) method is used to solve water hammer equations for pipeline systems due to its potential advantages of easily capturing column separation and slug impact.
Wenke Song   +6 more
doaj   +1 more source

Modeling and analysis of water-hammer in coaxial pipes

open access: yes, 2014
The fluid-structure interaction is studied for a system composed of two coaxial pipes in an annular geometry, for both homogeneous isotropic metal pipes and fiber-reinforced (anisotropic) pipes.
Bitter, Neal, Cesana, Pierluigi
core   +1 more source

Analysis of natural gas flow reversal in integrated energy system based on dynamic simulation

open access: yesEnergy Reports, 2021
The inertial water hammer pressure propagates along the pipeline at the speed of sound wave, which makes the pressure along the pipeline rise or fall rapidly and the inertial water hammer pressure attenuate in the process of propagation.
Jiang Zhai, Xiaoxin Zhou, Yalou Li
doaj   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

Erosion of metals by multiple impacts with water [PDF]

open access: yes, 1971
Investigation determines - relation between impact velocity and minimum number of impacts producing visible erosion, relation between high frequency fatigue stresses and number of cycles to failure, water-hammer stresses relation to high frequency ...
Rudy, S. L., Thiruvengadam, A.
core   +1 more source

Influence of Test Temperature and Test Frequency on Fatigue Life of Aluminum Alloy EN AW‐2618A

open access: yesAdvanced Engineering Materials, EarlyView.
The influence of test temperature and test frequency on the fatigue life of EN AW‐2618A is investigated. High‐cycle fatigue tests are performed at different test temperatures and frequencies on the 1000 h/230°C overaged state. Both test parameters reduce fatigue life due to time‐dependent damage mechanisms.
Ying Han   +5 more
wiley   +1 more source

Research on Fault Detection and Automatic Diagnosis Technology of Water Hammer in Centrifugal Pump

open access: yesApplied Sciences
Centrifugal pumps are important equipment in industrial production, and their safe and reliable operation is of great significance to water supply and industrial safety.
Lei Chen   +3 more
doaj   +1 more source

Investigation of Porous Structures for Protection of Pipelines against Water Hammer [PDF]

open access: yesآب و فاضلاب, 2018
This study was initiated to investigate the use of a porous structure in some parts of a pipeline to protect it against water hammer pressure wave.
Poria Asiaban, Manouchehr Fathi Moghadam
doaj   +1 more source

Evaluasi Unjuk Kerja Sistem Proteksi Water Hammer pada Sistem Perpipaan (Studi Kasus di Rumah Pompa Produksi Unit Instalasi Pengolahan Air Minum (IPAM) Karang Pilang 2 PT. PDAM Surya Sembada Surabaya) [PDF]

open access: yes, 2016
Sistem jaringan perpipaan merupakan komponen penting dalam menunjang produksi maupun distribusi pada sektor industri. Jaringan perpipaan mengalami beberapa fenomena seperti distribusi fluida dan water hammer.
Ikhwan, N. (Nur), Prasetya, H. (Handi)
core  

Advancing Electronic Application of Coordination Solids: Enhancing Electron Transport and Device Integration via Surface‐Mounted MOFs (SURMOFs)

open access: yesAdvanced Functional Materials, EarlyView.
The layer‐by‐layer (LbL) assembly of coordination solids, enabled by the surface‐mounted metal‐organic framework (SURMOF) platform, is on the cusp of generating the organic counterpart of the epitaxy of inorganics. The programmable and sequential SURMOF protocol, optimized by machine learning (ML), is suited for accessing high‐quality thin films of ...
Zhengtao Xu   +2 more
wiley   +1 more source

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