Results 31 to 40 of about 4,289,395 (298)

A transient stability analysis method for wind power system with thyristor controlled phase shifting transformer based on branch potential energy index

open access: yesEnergy Reports, 2023
With the growing usage of renewable energy technologies like wind power and photovoltaics, and the increased integration of FACTS (Flexible Alternating Current Transmission System) devices into the power system, the transient characteristics of the ...
Baixi Chen   +6 more
doaj   +1 more source

Assessment of energy potential of date palm residues in Khairpur district, Pakistan [PDF]

open access: yes, 2021
This paper provides assessment of the energy potential of date palm residues, including leaflets, rachis, fruit prunings, and trunks, in Khairpur district, Sindh, Pakistan.
Harijan, Khanji   +4 more
core   +1 more source

Fast Retinal Segmentation Based on the Wave Algorithm

open access: yesIEEE Access, 2020
The retinal layer segmentation technique of optical coherence tomography (OCT) data is essential for the diagnosis of ophthalmic and systemic diseases. To achieve fast and accurate retinal layer segmentation, a new medical image segmentation method (wave
Shiliang Lou   +5 more
doaj   +1 more source

Stock mechanics: a general theory and method of energy conservation with applications on DJIA [PDF]

open access: yes, 2005
A new method, based on the original theory of conservation of sum of kinetic and potential energy defined for prices is proposed and applied on Dow Jones Industrials Average (DJIA).
Johansen A.   +6 more
core   +2 more sources

Effect of Spalling Shape on Meshing Stiffness and Dynamics Characteristic of Gear

open access: yesJixie chuandong, 2020
The traditional research on spalling gear failure mainly focuses on the change of gear stiffness under different spalling depth and width,it has great limitations. Aiming at this problem,the influence of spalling shape and the spalling shape distribution
Tu Xuxin, Jian Xiaochun, Wu Shengli
doaj  

A revised degree hours evaluation method for energy saving potential of free cooling systems

open access: yesXi'an Gongcheng Daxue xuebao, 2022
In order to make full use of outdoor free cooling sources to reduce building air conditioning energy consumption, accurately evaluate the potential of natural ventilation, and guide the selection and utilization of more free cooling systems, a revised ...
LYU Weihua   +3 more
doaj   +1 more source

Calculation of Time-Varying Mesh Stiffness of Internal Mesh Transmission and Analysis of Influencing Factors

open access: yesApplied Sciences
Time-varying mesh stiffness (TVMS) of the internal mesh transmission is a significant source of excitation that causes vibration and noise in planetary gear systems, and is also an important parameter in dynamics analysis.
Jubo Li   +3 more
doaj   +1 more source

Assessment Method of Comprehensive Energy Saving Potential of Distribution Network Considering Source-load Power Uncertainty

open access: yesZhongguo dianli, 2022
In order to effectively evaluate the energy-saving potential of active distribution network, the evaluation method of energy-saving transformation scheme of distribution network is studied.The K-means clus-tering method is employed to extract typical ...
Zuoxiang YANG   +4 more
doaj   +1 more source

Energy controlled insertion of polar molecules in dense fluids

open access: yes, 2004
We present a method to search low energy configurations of polar molecules in the complex potential energy surfaces associated with dense fluids. The search is done in the configurational space of the translational and rotational degrees of freedom of ...
Coveney, Peter V.   +2 more
core   +1 more source

Temperature dependent effective potential method for accurate free energy calculations of solids

open access: yes, 2013
We have developed a thorough and accurate method of determining anharmonic free energies, the temperature dependent effective potential technique (TDEP).
Abrikosov, Igor A.   +3 more
core   +2 more sources

Home - About - Disclaimer - Privacy