Results 1 to 10 of about 41,195 (68)

Towards a sustainable university transition model for emerging markets

open access: yesCogent Business & Management, 2023
The growing importance of a sustainable university transition model is evident in developing countries, where the challenge lies in balancing economic growth, social well-being, and environmental protection.
Quang Hung Bui   +4 more
doaj   +1 more source

Data-Driven Transition Models for Aeronautical Flows with a High-Order Numerical Method

open access: yesAerospace, 2022
Over the past years, there has been innovative ideas about data-driven turbulence modeling proposed by scholars all over the world. This paper is a continuity of these significant efforts, with the aim of offering a better representation for turbulence ...
Yanjun Chen, Shengye Wang, Wei Liu
doaj   +1 more source

A menopausal transition model based on transition theory [PDF]

open access: yesKorean Journal of Women Health Nursing, 2022
Purpose The purpose of this study was to construct a hypothetical model based on Meleis and colleagues' Transition Theory and a literature review to explain women’s menopausal transition, constructing a modified model considering previous studies and ...
Jisoon Kim, Sukhee Ahn
doaj   +1 more source

Numerical Study of Scale Effects on Open Water Propeller Performance

open access: yesJournal of Marine Science and Engineering, 2022
The present study aims to investigate the scale effects of the open water propeller performance using computational fluid dynamics (CFD). The results are presented for the propeller which was previously 3D scanned and digitized.
Carlo Giorgio Grlj   +3 more
doaj   +1 more source

Numerical Investigation on Suction Flow Control Technology for a Blunt Trailing Edge Hydrofoil

open access: yesMathematics, 2023
The generation of hydro-mechanical resonance is related to the transition of the boundary layer and the development of vortex shedding. The application effect of suction control in hydrodynamics is equally deserving of consideration as an active control ...
Peng Yang   +6 more
doaj   +1 more source

Net Zero Energy Districts: Connected Intelligence for Carbon-Neutral Cities

open access: yesLand, 2022
Net-Zero Energy Districts (NZEDs) are city districts in which the annual amount of CO2 emissions released is balanced by emissions removed from the atmosphere.
Nicos Komninos
doaj   +1 more source

The Application of the γ-Reθt Transition Model Using Sustaining Turbulence

open access: yesEnergies, 2022
The freestream turbulence intensity is an important parameter for Tollmien–Schlichting waves and is also used as one of the key variables for the local- and transport-equation-based transition model in the simulations.
Meihong Zhang   +3 more
doaj   +1 more source

Investigated stress-strain relationships of municipal solid waste incineration bottom ash

open access: yesGeomatics, Natural Hazards & Risk, 2020
To investigate the stress-strain relationship of municipal solid waste incineration bottom ash (MSWIBA), taking MSWIBA samples with a dry density of ρd = 1.5 g/cm3 as examples, a series of consolidated drained triaxial tests were carried out on MSWIBA ...
Guosheng Xiang, Danqing Song, Zhuo Chen
doaj   +1 more source

Transition prediction in the Ising-model

open access: yesPLoS ONE, 2021
Dynamical systems can be subject to critical transitions where a system’s state abruptly shifts from one stable equilibrium to another. To a certain extent such transitions can be predicted with a set of methods known as early warning signals.
Manfred Füllsack, Daniel Reisinger
doaj   +2 more sources

Observation Model for Indoor Positioning

open access: yesSensors, 2020
The IEEE 802.11mc WiFi standard provides a protocol for a cellphone to measure its distance from WiFi access points (APs). The position of the cellphone can then be estimated from the reported distances using known positions of the APs. There are several
Berthold K. P. Horn
doaj   +1 more source

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