Results 21 to 30 of about 4,592,600 (302)

Dynamic Characteristic Analysis of Permanent Magnet Brushless DC Motor System with Rolling Rotor

open access: yesApplied Sciences, 2022
With the wide application of permanent magnet brushless DC motors (BLDCMs) in home appliances and electric vehicles, there is increasing demand for BLDCMs with low vibration and noise.
Yi Wan   +4 more
doaj   +1 more source

Research on the Dynamic Characteristics Analysis and Power Control Method of Heat Pipe Reactors

open access: yesApplied Sciences, 2023
A heat pipe reactor (HPR) is a kind of modular small reactor with broad application prospects, and its dynamic characteristics and nuclear power control are essential to the safe and stable operation of nuclear power plants.
Shaoxuan Yin   +4 more
doaj   +1 more source

Dynamic Characteristics in the Nearshore Area

open access: yesCoastal Engineering 1980, 1980
A detailed discussion is made on the dynamic characteristics of waves and wave-induced currents in the nearshore area by using the laboratory and field investigation data collected during the last few years. The main purposes of this paper are to get the insight on the precise mechanism of the nearshore dynamic phenomena and to evaluate critically the ...
Kiyoshi Horikawa, Masahiko Isobe
openaire   +2 more sources

Nonparametric Tests for Conditional Symmetry in Dynamic Models [PDF]

open access: yes, 2007
This article proposes omnibus tests for conditional symmetry around a parametric function in a dynamic context. Conditional moments may not exist or may depend on the explanatory variables.
Delgado, Miguel A.   +1 more
core   +1 more source

The Effect of Dynamic Cold Storage Packed Bed on Liquid Air Energy Storage in an Experiment Scale

open access: yesEnergies, 2021
Liquid air energy storage (LAES) is one of the most promising large-scale energy storage technologies for the decarburization of networks. When electricity is needed, the liquid air is utilized to generate electricity through expansion, while the cold ...
Yong Bian   +7 more
doaj   +1 more source

Experimental study on the dynamic mechanical characteristics of slope rock under low-temperature conditions

open access: yes工程科学学报, 2023
China has large regions that freeze seasonally or multiple times a year. Special geological and climatic conditions must be considered for the engineering construction and mining of mineral resources in these regions, and slope stability in cold regions ...
Feng GAO   +5 more
doaj   +1 more source

The influence of pre-existing vibrations on the dynamic response of medium span bridges [PDF]

open access: yes, 2009
Critical static bridge loading scenarios are often expressed in terms of the number of vehicles that are present on the bridge at the time of occurrence of maximum lifetime load effect.
O'Brien, Eugene J.   +2 more
core   +1 more source

On semi-modular subalgebras of Lie algebras over fields of arbitrary characteristic. [PDF]

open access: yes, 2008
This paper is a further contribution to the extensive study by a number of authors of the subalgebra lattice of a Lie algebra. It is shown that, in certain circumstances, including for all solvable algebras, for all restricted Lie algebras over ...
Towers, David A.
core   +4 more sources

Sequential action and beliefs under partially observable DSGE environments [PDF]

open access: yes, 2012
Revised and resubmitted at Computational EconomicsThis paper introduces a classification of DSGEs from a Markovian perspective, and positions the class of POMDP (Partially Observable Markov Decision Process) to the center of a generalization of linear ...
Kim, Seong-Hoon
core   +1 more source

Effect of Train Vibrations on the Dynamic Response of a Multi-Span Double-Curved Brick Arch Thin-Shell Factory of Changleyuan

open access: yesBuildings, 2023
The dynamic characteristics of a multi-span double-curved brick arch thin-shell factory of Changleyuan in Baoji City and the dynamic response to train vibration load were studied using field dynamic tests and finite-element numerical simulations, and a ...
Yefeng Liu   +7 more
doaj   +1 more source

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