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Razvan Marius Catana, Gabriel Dediu and Cornel Mihai Tarabîc
The paper presents a detailed study of certain working regimes of a TV2-117A turboshaft engine, based on practical research using experimental data following the engine run tests. The engine run tests were made into the test bench, using a hydraulic dyna...
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Wenqian Ma, Wenyu Huang, Zifan Yang, Bin Wang, Daiyu Lin and Xinsheng He
Nine precipitation regimes over South China are obtained by applying the Self-Organizing Map (SOM) technique to the sub-daily precipitation during the pre-monsoon season (April to June) of 1979–2015. These nine regimes are distinct from each other ...
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Klaus Schmidt-Hebbel
Pág. 161 - 187
This paper summarizes a research project focused on the empirical determinants of and interrelations between macroeconomic regimes, policies, and performance in the world. The project?s hypotheses are structured into three related themes. The first aim i...
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Rui Wang and Guoliang Yu
In this study, the bedform dimensions of an alluvial bed in a unidirectional flow were experimentally investigated. A series of flume experiments was conducted; 700 sets of flume and field data were used in developing formulae for predicting the bedform ...
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Long Zhao, Zhe Zhang, Fei Dong, Yicheng Fu, Lei Hou, Jingqiang Liu and Yibing Wang
Rainfall has a significant impact on surface runoff and erosion in a watershed, and there is a lack of information about the features of rainfall regimes and how they affect runoff and soil erosion. In the paper, based on 59 rainfall events from 2021 to ...
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Michael Mansour and Dominique Thévenin
This paper aims to summarize the results of several experimental investigations regarding two-phase liquid?gas flows in radial centrifugal pumps. The main objective is to combine the corresponding experimental results and collect the obtained knowledge t...
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Razvan Edmond Nicoara, Daniel Eugeniu Crunteanu and Valeriu Alexandru Vilag
Extensively used in modern gas turbine engines in various applications, ranging from aerospace, marine and terrestrial propulsion to power generation and gas pumping, the axial flow turbines have been continuously updated and are now capable of high perf...
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Alexis CRUZ-RODRIGUEZ
Pág. 238 - 256
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Steve HANKE
Pág. 271 - 278
JEL. F31; F33; O47.
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Lu Li, Huaiqiang Liu and Taogetao Baoyin
Quantifying the long-term effects of mowing on soil organic carbon (SOC) is of great importance for understanding the changes in the carbon cycle of the grassland ecosystem and for managing the grassland strategies for both production and soil nutrients....
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Kouichi Nishimura, Fabrizio Barpi and Dieter Issler
As an introduction for non-specialists to the Special Issue on snow avalanche dynamics, this paper first outlines how understanding the dynamics of snow avalanches can contribute to reducing risk for settlements and infrastructure. The main knowledge gap...
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João Baltazar, Douwe Rijpkema and José Falcão de Campos
In this study, a Reynolds averaged Navier-Stokes solver is used for prediction of the propeller performance in open-water conditions at different Reynolds numbers ranging from 104
10
4
to 107
10
7
. The ??-??
k
-
?
SST turbulence model and the ??-R~e??...
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Alexis CRUZ-RODRIGUEZ
Pág. 187 - 206
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Adam Rus Nugroho, Ichiro Tamagawa and Morihiro Harada
Predicting the streamflow regimes using climate dynamics is important in water resource management. However, in Indonesia, there are few studies targeting climate indices and streamflow. A previous study found difficulty in developing a statistical predi...
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Giovanni Martins de Araújo Mascarenhas,Luciane Martins de Araújo,José Antônio Tietzmann e Silva
O presente artigo se destina a estabelecer uma relação entre o pacote tecnológico agropecuário e a expansão da fronteira agrícola, em especial na Amazônia Legal. Para fazê-lo, faz-se uma revisão bibliográfica e histórica do contexto de expansão da fronte...
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Lucia Shimbo
Pág. 643
Esta resenha pretende destacar as principais contribuições do livro ?As políticas do urbano em São Paulo?, organizado por Eduardo Marques em 2018, ao debate da ciência política e dos estudos urbanos no Brasil. Ao eleger o espaço como objeto de fronteira ...
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James Polak,Jeanette Snowball
AbstractOrientation: There is growing interest in how international climate change mitigation and adaptation programmes play out at the local level.Research purpose: The aim of this study was to investigate the link between land restoration and...
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Vladimir V. Lomakin,Vladimir M. Yatsenko,Rustam G. Asadullaev,Tatyana A. Lysakova,Oleg S. Reznichenko
The article is devoted to solution of the problem of systematization of the parameters for the model that associate the properties of the obtained coatings with the qualitative properties of coatings on the basis of the method of plasma-electrolytic oxid...
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Norman C. Treloar
Since 1850, the rise in global mean surface temperatures (GMSTs) from increasing atmospheric concentrations of greenhouse gases (GHGs) has exhibited three ~30-year hiatus (surface cooling) episodes. The current hiatus is often thought to be generated by ...
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Antonio Teixeira de Matos, Mateus Pimentel de Matos, Renan de Almeida Costa, Marcos von Sperling (Author)
Pág. e36709
The aim of the present work was to evaluate the relationship between the hydraulic retention time power parameter (n) of the modified first-order kinetic mathematical model (MFOKM) with the hydraulic dispersion number (d) and the organic matter degradabi...
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