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Tarandeep S. Kalra, Xiangyu Li, John C. Warner, Wayne R. Geyer and Hui Wu
The numerical simulation of estuarine dynamics requires accurate prediction for the transport of tracers, such as temperature and salinity. During the simulation of these processes, all the numerical models introduce two kinds of tracer mixing: (1) by pa...
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Peng Fan, Jiangbo Jin, Run Guo, Guixian Li and Guangqing Zhou
Oceanic general circulation models (OGCMs) are important tools used to investigate mechanisms for ocean climate variability and predict the ocean change in the future. However, in most current ocean models, the impact of sea surface waves as one of the m...
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Dongxing Chen, Qianqian Liu, Jiexin Xu and Kuo Wang
Particulate organic carbon (POC) plays an important role in the global carbon cycle. The POC in the Changjiang Estuary and adjacent coastal region of the East China Sea (ECS) is dominated by riverine input and marine production and is significantly influ...
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Alexander A. Lobashev, Nikita A. Turko, Konstantin V. Ushakov, Maxim N. Kaurkin and Rashit A. Ibrayev
This paper presents a new method for finding the optimal positions for sensors used to reconstruct geophysical fields from sparse measurements. The method is composed of two stages. In the first stage, we estimate the spatial variability of the physical ...
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Kai Liu, Xuyu Liu, Lijuan Wu, Xingkai Zhang, Baocheng Shi and Lixing Zheng
The rotary energy recovery device (RERD) is integral in reducing energy consumption in desalination processes. The absence of a physical piston in RERD ducts allows salinity transfer from the brine to the seawater stream, which reduces RERD efficiency. T...
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Ferenc Szlivka, Csaba Hetyei, Gusztáv Fekete and Ildikó Molnár
Nowadays, there are numerous new features available in CFD (computational fluid dynamics) that can simulate complex physical phenomena, which used to be challenging to address. However, in current CFD software, certain problems can be simulated using dif...
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Lin Yu, Yifan Li, Zhongzhi Yao, Long You, Zong-Pei Jiang, Wei Fan and Yiwen Pan
Turbulence is one of the ubiquitous aspects of aquatic systems and affects many physical and biological processes. Based on direct velocity measurements and a computational fluid dynamics (CFD) simulation, we characterized the distribution of the turbule...
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Panagiota Keramea, Nikolaos Kokkos, Georgios D. Gikas and Georgios Sylaios
Over the latest decades, oil marine pollution has posed a vital threat for global ocean health, since spillages of any scale are related to environmental, social and financial impacts. The worldwide increase in oil and gas demand, and the parallel rise i...
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Lucian Hanimann, Luca Mangani, Ernesto Casartelli, Elmar Gröschel and Magnus Fischer
The demand for increased turbomachinery performance, both, towards higher pressures and temperatures, leads to high thermal-loads of specific components and can critically affect mechanical integrity. In the particular case of rotating-disk configuration...
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He Li, Xiaodong Wang, Jiuxin Ning, Pengfei Zhang and Hailong Huang
This paper investigated the effect of air leaking into the working fluid on the performance of a steam ejector. A simulation of the mixing of air into the primary and secondary fluids was performed using CFD. The effects of air with a 0, 0.1, 0.3 and 0.5...
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Lu Xia, Hao Liu, Lei Lin and Yueqi Wang
Chlorophyll fronts are important to monitor and map the oceanic front, especially in the season when sea surface temperature (SST) fronts weaken. In this study, surface chlorophyll-a (chl-a) fronts in the Yellow and Bohai seas were characterized for the ...
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Dini Kurniawati,Iis Siti Aisyah
Pág. 45 - 52
Jatropha curcas oil is a seed oil or bio-oil, which has advantages compared to others plant?s seed-oil. The advantage of this oil is due to the fact that Jatropha oil does not compete with the food sector. In this research, the potential carrier oi...
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Petri Sormunen and Timo Kärki
Thermoplastic composites manufacturing could be a potential end-of-life option for separated construction and demolition waste. This study aims to find out how well the established ecodesign methodologies support the choice of recycled composite material...
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Alanna L. Lecher and Katherine R. M. Mackey
Submarine groundwater discharge (SGD) is a global and well-studied geological process by which groundwater of varying salinities enters coastal waters. SGD is known to transport bioactive solutes, including but not limited to nutrients (nitrogen, phospho...
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Diana De Padova, Michele Mossa, Stefano Sibilla
Pág. 1 - 25
This paper shows the results of the numerical modelling of the transition from supercritical to subcritical flow at an abrupt drop, which can be characterised by the occurrence of oscillatory flow conditions between two different jump types. Weakly-Compr...
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Alice F. Hill, Cholpon K. Minbaeva, Alana M. Wilson, Rysbek Satylkanov
Pág. 1 - 16
Water vulnerabilities in Central Asia are affected by a complex combination of climate-sensitive water sources, trans-boundary political tensions, infrastructure deficiencies and a lack of water management organization from community to federal levels. T...
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C. López, G. Thenoux, V. Armijos, A. Ramírez, F. Guisado, E. Moreno
Pág. Page 57 - 64
Reducing the temperatures in the production of asphalt mixes is currently one the most important challenges in the field of road engineering. This paper studies one the latest technologies applied in the manufacture of warm mix asphalt, called super stab...
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Diana De Padova, Michele Mossa and Stefano Sibilla
This paper shows the results of the numerical modelling of the transition from supercritical to subcritical flow at an abrupt drop, which can be characterised by the occurrence of oscillatory flow conditions between two different jump types. Weakly-Compr...
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Alice F. Hill, Cholpon K. Minbaeva, Alana M. Wilson and Rysbek Satylkanov
Water vulnerabilities in Central Asia are affected by a complex combination of climate-sensitive water sources, trans-boundary political tensions, infrastructure deficiencies and a lack of water management organization from community to federal levels. T...
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Mi-Jin Jeon and Yong-Woo Jeon
Livestock blood, a major organic waste generated by the livestock industry, poses a risk of pollution due to its rapid decomposition. However, it is a potential protein source for agricultural purposes due to its protein-rich organic matter. In this stud...
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