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Igor A. Chaves, Sean de Prazer, Barbara Jardim do Nascimento and Gregory Flowers
Not counting domestic dwellings, it has been estimated that in Australia alone, some tens of thousands of masonry buildings and structures have exceeded their design life, with many of these being at risk of partial (or worse) collapse from falling or di...
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Yangyang Pan, Bo Liang, Yaran Niu, Dijuan Han, Dongdong Liu and Xuebin Zheng
In this study, a new coating material for thermal barrier coating (TBC) or environment barrier coating (EBC) application, Ca3ZrSi2O9 (CZSO), was synthesized and prepared by atmospheric plasma spray (APS) technology. The evolution of the phases and micros...
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Esther Blumendeller, Ivo Kimmig, Gerhard Huber, Philipp Rettler and Po Wen Cheng
The expansion of renewable energy usage is one of the major social tasks in Europe and therefore requires acceptance and support from the population. In the case of onshore wind turbines, the complaints of local residents are often interpreted as infraso...
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Scott D. Chambers, Elise-Andree Guérette, Khalia Monk, Alan D. Griffiths, Yang Zhang, Hiep Duc, Martin Cope, Kathryn M. Emmerson, Lisa T. Chang, Jeremy D. Silver, Steven Utembe, Jagoda Crawford, Alastair G. Williams and Melita Keywood
We propose a new technique to prepare statistically-robust benchmarking data for evaluating chemical transport model meteorology and air quality parameters within the urban boundary layer. The approach employs atmospheric class-typing, using nocturnal ra...
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D. J. RAYMOND,M. J. HERMAN
Frictional convergence in an atmospheric boundary layer topped by a stable free troposphere is considered. In agreement with extensive previous work, we find that atmospheric stability reduces the vertical scale of the free tropospheric secondary circula...
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S. DOMÍNGUEZ MARTÍN,E. L. BIRK
Low stability favors the upward transport of the hot air generated by combustion. On the contrary, strong stability diminishes the potential for this vertical movement. Therefore, it could be concluded that low stability favors fire development. But this...
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A. WIIN NIELSEN
The stability of atmospheric waves with low wave numbers is investigated using a quasi-geostrophic model of the second kind. Such a model is based on the thermodynamic equation, the continuity equation and a rigorous use of the geostrophic relations. ...
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Giacomo Gerosa, Riccardo Marzuoli, Beatrice Monteleone, Maria Chiesa and Angelo Finco
The estimation of the ozone (O3) stomatal dose absorbed by a forest is a crucial step for O3 risk assessment. For this purpose, data on O3 concentrations at the forest top-canopy are needed. However, O3 is barely measured at that height, while more often...
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Min-Uk Kim, Kyong Whan Moon, Jong-Ryeul Sohn and Sang-Hoon Byeon
We studied sensitive weather variables for consequence analysis, in the case of chemical leaks on the user side of offsite consequence analysis (OCA) tools. We used OCA tools Korea Offsite Risk Assessment (KORA) and Areal Location of Hazardous Atmosphere...
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Huijie Xiao, Ralph Meissner, Heinz Borg, Ruoshui Wang, Qiqi Cao
Pág. 1 - 18
The energy balance (EB), turbulent vapour transport (TVT), Penman-Monteith (PM) and Bowen ratio energy balance (BREB) equation were used to estimate dewfall based on meteorological data. Initially there were big disagreements between the estimates from t...
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Huijie Xiao, Ralph Meissner, Heinz Borg, Ruoshui Wang and Qiqi Cao
The energy balance (EB), turbulent vapour transport (TVT), Penman-Monteith (PM) and Bowen ratio energy balance (BREB) equation were used to estimate dewfall based on meteorological data. Initially there were big disagreements between the estimates from t...
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Eloisa Sardella, Roberto Gristina, Fiorenza Fanelli, Valeria Veronico, Gabriella Da Ponte, Jennifer Kroth, Francesco Fracassi and Pietro Favia
Plasma Enhanced?Chemical Vapor Deposition (PE-CVD) of polyethylene oxide-like (PEO)-like coatings represent a successful strategy to address cell-behavior on biomaterials. Indeed, one of the main drawbacks of organic and hydrophilic films, like PEO-like ...
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Mingzhao Yu, Bingfang Wu, Hongwei Zeng, Qiang Xing and Weiwei Zhu
The aerodynamic roughness length (z0m) is a crucial parameter for reliably simulating turbulent exchanges between the land surface and the atmosphere. Due to the large number of input variables related to vegetation growth and aerodynamic conditions near...
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Behnam Moghadassian, Aaron Rosenberg and Anupam Sharma
The objective of this paper is to numerically investigate the effects of the atmospheric boundary layer on the aerodynamic performance and loads of a novel dual-rotor wind turbine (DRWT). Large eddy simulations are carried out with the turbines operating...
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Hayder Al-Maliki, Gábor Kalácska
Pág. 303 - 308
The frictional behavior of (PA6 E and PETP) engineering polymers commonly used in the industry were investigated implying 3D surface topography due to Dielectric Barrier Discharge (DBD) source, atmospheric cold plasma surface treatment and compared to th...
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N. M. ZOUMAKIS
The dependence of the wind profile power-law exponent (p) on surface roughness and atmospheric stability is depicted assuming a height variation of p (Huang, 1979; Hanafusa et al., 1986) and using the formulation of Zilitinkevich (1989) for determinin...
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TOMÁS MORALES ALCOTZI,ADALBERTO TEJEDA MARTÍNEZ,JUAN CERVANTES PÉREZ
By applying a method of linear regression, it was possible to relate the surface wind shift with respect to the wind direction at 850 mb as function of time of day, actual synoptic situation, wind speed at 850 mb, atmospheric stability, existence of t...
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Xiangzhi Meng, Xiaohua Zhang, Yanbing Zhai and Wei Xu
A miniature mass spectrometer with continuous atmospheric pressure interface (CAPI) developed previously in our lab has proved to have high stability and rapid analysis speed. With the aim of achieving smaller size, better performance and easier maintena...
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L. G. HIDALGO,J. A. HIDALGO
The authors present the evaluative testing of a portable prototype of digital electronic barometer (UBII001). The prototype was developed in Venezuela although it includes low-cost multinational parts. The six year evaluation included response stability ...
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M. A. RUBIO,E. GRAMSCH,E. LISSI,G. VILLENA
Peroxyacetylnitrate (PAN) and ozone are considered typical photochemical secondary pollutants and, as such, are expected to reach higher concentrations in periods of high irradiance (summer). However, in Santiago, PAN highest values are reached in aut...
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