Results 141 to 150 of about 392,530 (277)

Pump Vibrations

open access: yes, 1992
Tutorialpg. 137The reliability and failure mechanisms of high energy pumps used in the utilities industry and the high suction specific speed pumps used in the hydrocarbon processing industry show surprising parallels as to root causes.
Nelson, William E.
core   +1 more source

Introduction: Towards a linguistic anthropology of AI Introduction : vers une anthropologie linguistique de l'IA

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
This essay introduces the themed cluster of articles, ‘Towards a linguistic anthropology of AI’. The advent of artificial intelligence (AI), especially in large language models capable of producing coherent discourse mimicking conversational interaction, is exerting unprecedented pressure on prevailing concepts of language, personhood, and the human ...
Webb Keane, Constantine V. Nakassis
wiley   +1 more source

Performance of a centrifugal pump running in inverse mode

open access: yes, 2004
This paper presents the functional characterization of a centrifugal pump used as a turbine. It shows the characteristics of the machine involved at several rotational speeds, comparing the respective flows and heads.
Scanlon, T.J.   +9 more
core   +1 more source

A Semi‐Analytical Energy Model for Particle‐Based Fluid Simulation Involving Complex Moving Boundaries

open access: yesComputer Graphics Forum, EarlyView.
Abstract While semi‐analytical boundary handling techniques have proven effective for modeling particle‐based fluid‐solid interactions, they can become unstable when applied to mesh boundaries undergoing dynamic motion or featuring complex, sharp geometries.
Junyuan Liu   +5 more
wiley   +1 more source

Tubes or Ribbons? Comparing Texture‐space Visualization for Multivariate Line Data

open access: yesComputer Graphics Forum, EarlyView.
Abstract Multivariate line data is critical for analyzing flow fields, agent systems, and dynamic trajectories. Embedding secondary variables along spatial paths using surface‐based primitives such as ribbons and circular tubes introduces challenges related to perspective, scale, and distortion.
B. Russig   +3 more
wiley   +1 more source

RELIABILITY OF THERMO-MECHANICAL EQUIPMENT IN POWER PLANTS – ELEMENTS WITH HIGH FAILURE R [PDF]

open access: yesAnalele Universităţii "Constantin Brâncuşi" din Târgu Jiu: Seria Inginerie, 2019
Thermal power plants are complex systems with many inter-dependence links and several critical elements that condition the operation of the whole plant. Failure of critical elements such as feed water pump results in a general shut down of the whole unit.
Bogdan Diaconu   +2 more
doaj  

Green Developmentalism? The Political Economy of Hydropower in India in the 21st Century

open access: yesDevelopment and Change, EarlyView.
ABSTRACT This article critically examines the political economy of hydropower in India since its global reconfiguration as ‘green energy’ in the early 2000s. While an opportune convergence of interests among key global, national and subnational stakeholders contributed to the greening of hydropower in India, this reframing did not produce the expected ...
Vasudha Chhotray, Harsh Vasani
wiley   +1 more source

Numerical Simulation of Flow Field Formed in Water Pump-Sump [PDF]

open access: yes, 2008
Two fundamental types of flow problems besetting water intakes are swirling flow problems in the pump sump and sediment problems at entrance or within intakes.
BOIS, Gérard   +2 more
core  

Dynamic Capabilities as Drivers of Circular Business Models: Exploring Direct and Indirect Relationships

open access: yesJournal of Product Innovation Management, EarlyView.
ABSTRACT Academic Summary Despite the urgent need for a circular economy, firms' transition from linear to circular business models (CBMs) remains slow. While previous research suggests that dynamic capabilities are the key drivers of this transition, it assumes a direct link, overlooking that these capabilities can facilitate change but do not ...
Jörn Block   +4 more
wiley   +1 more source

Numerical Investigation in the Vaned Distributor under Different Guide Vanes Openings of a Pump Turbine in Pump Mode

open access: yesJournal of Applied Fluid Mechanics, 2016
The performance of a pump turbine in pump mode is of great importance to a pumped storage power plant. In order to obtain the pump characteristics of a pump turbine, 3D steady simulations were carried out by solving rans using different two-equation ...
D. Y. Li   +5 more
doaj  

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