Results 91 to 100 of about 23,530,940 (302)

Energy harvesting from earthquake for vibration-powered wireless sensors [PDF]

open access: yes, 2017
Wireless sensor networks can facilitate the acquisition of useful data for the assessment and retrofitting of existing structures and infrastructures.
Marano, G. C.   +3 more
core  

Seismic analyses of wind turbine tower under operational conditions

open access: yes工程科学学报, 2017
In order to study seismic responses and collapse mode of a wind turbine tower under operational conditions, a wind turbine tower model was developed by the wind turbine design software FAST.
DAI Kao-shan   +3 more
doaj   +1 more source

Re-Analysis of HFT Data Using the Apollo Lunar Surface Gravimeter Data [PDF]

open access: yes, 2008
Introduction: The Apollo Passive Seismic Experiment (PSE) was carried out on Apollo 12, 14, 15 and 16. Network observations of four seismic stations were performed for five years from 1972 to 1977. The PSE was a successful mission that informed us of the
Hagermann, A.   +4 more
core  

Analysis of Seismic Responses and Vibration Serviceability in a High-Rise Timber–Concrete Hybrid Building

open access: yesBuildings
Timber–concrete hybrid structures are commonly employed in multi-story timber buildings; however, further research is necessary to fully understand the seismic performance of these structures as well as the dynamic properties of the floor.
Chao Zong   +5 more
doaj   +1 more source

Market analysis of seismic security systems [PDF]

open access: yes
This report provides information on the commercialization potential of the NASA Activity Monitor. Data on current commercially available products, market size, and growth are combined with information on the NASA technology and the projected impact of ...
Taglio, S.
core   +1 more source

Helioseismology and the solar age [PDF]

open access: yes, 1998
The problem of measuring the solar age by means of helioseismology hasbeen recently revisited by Guenther & Demarque (1997) and by Weiss & Schlattl (1998). Different best values for $t_{\rm seis}$ and different assessment of the uncertainty resulted from
Dziembowski, W. A.   +3 more
core   +1 more source

Braking Performance and Response Analysis of Trains on Bridges Under Seismic Excitation

open access: yesApplied Sciences
Earthquakes can trigger emergency braking in urban rail systems, yet the combined effect of braking and ground motion on train–bridge safety remains poorly quantified.
Yuanqing Lu   +3 more
doaj   +1 more source

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