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Abdelkader Mahammedi, Naas Toufik Tayeb, Kouider Rahmani, Awf Al-Kassir and Eduardo Manuel Cuerda-Correa
This study explores the potential application of microfluidics in the field of bioenergy, with a particular focus on the energy potential of biogas derived from vine shoots, a locally abundant waste material. The enhanced mixing capability of a micromixe...
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Long Liu, Shihai Liu, Qian Xia, Bo Liu and Xiuzhen Ma
Premixed combustion mode dual-fuel (DF) engines are widely used in large-bore marine engines due to their great potential to solve the problem of CO2 emissions. However, detonation is one of the main problems in the development of marine engines based on...
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Ji Zhang, Daoning Yang, Yi Wang and Dongdong Zhang
The present proposed mixing enhancement strategy can be a good candidate for application in Scramjet and RBCC combustors of hypersonic propulsion systems.
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Aiming to better understand the biomass pyrolysis and gasification processes, a detailed experimental study of the mixing characteristics is conducted in a fluidized bed with binary mixtures. Rapeseed is used as biomass, and silica sand or resin as inert...
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Guiying Wu, Bangting Yu, Yanjun Guan, Xuehui Wu, Kai Zhang and Yongli Li
Aiming to better understand the biomass pyrolysis and gasification processes, a detailed experimental study of the mixing characteristics is conducted in a fluidized bed with binary mixtures. Rapeseed is used as biomass, and silica sand or resin as inert...
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Xin Zhang, Tianhang Zhang, Kai Zhu, Zhiyi Huang and Ke Wu
In longitudinal ventilation, circulating air is formed in portals for closely spaced twin tunnels, which causes mixing between the polluted air exhausted from one tunnel and the fresh air flow of another tunnel, thus leading to the rising costs of ventil...
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Keith Smettem, Julian Klaus, Nick Harris and Laurent Pfister
Quantifying the travel times, pathways, and dispersion of solutes moving through stream environments is critical for understanding the biogeochemical cycling processes that control ecosystem functioning. Validation of stream solute transport and exchange...
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Marta Antonelli, Julian Klaus, Keith Smettem, Adriaan J. Teuling, Laurent Pfister
Pág. 1 - 16
Stream confluences are important hotspots of aquatic ecological processes. Water mixing dynamics at stream confluences influence physio-chemical characteristics of the stream as well as sediment mobilisation and pollutant dispersal. In this study, we inv...
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Keith Smettem, Julian Klaus, Nick Harris, Laurent Pfister
Pág. 1 - 16
Quantifying the travel times, pathways, and dispersion of solutes moving through stream environments is critical for understanding the biogeochemical cycling processes that control ecosystem functioning. Validation of stream solute transport and exchange...
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Marta Antonelli, Julian Klaus, Keith Smettem, Adriaan J. Teuling and Laurent Pfister
Stream confluences are important hotspots of aquatic ecological processes. Water mixing dynamics at stream confluences influence physio-chemical characteristics of the stream as well as sediment mobilisation and pollutant dispersal. In this study, we inv...
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Ender Demirel and Mustafa M. Aral
Mixing characteristics of multi-chambered contact tank are analyzed employing the validated three-dimensional numerical model developed in the companion paper. Based on the flow characterization, novel volumetric mixing efficiency definitions are propose...
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Ender Demirel, Mustafa M. Aral
Pág. 1 - 17
Mixing characteristics of multi-chambered contact tank are analyzed employing the validated three-dimensional numerical model developed in the companion paper. Based on the flow characterization, novel volumetric mixing efficiency definitions are propose...
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Yang Yang and Zhijian Yu
The recirculation zone and the swirl flame behavior can be influenced by the burner exit shape, and few studies have been made into this structure. Large eddy simulation was carried out on 16 cases to distinguish critical geometry factors. The time serie...
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Ramona Stammermann and Philip Duzinski
A recently validated 3-dimensional implementation of the Environmental Fluid Dynamic Code (EFDC) for the tidal-fresh portions of the Delaware Estuary was exercised against the results of a dye release from a sewer outfall during a storm. The influence on...
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Hans Pretzsch,Gerhard Schütze
Pág. 560 - 572
Mixed species forests are presently on the advance and widely held to provide many ecosystem functions and services better than pure stands. Recent studies well explored species mixing effects at the individual tree or stand level. However, the link betw...
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Ching Ying Tan, Mohd Izzudin Izzat Zainal Abidin, Mohd Usman Mohd Junaidi
Pág. 1 - 9
The work presents the computational study of the flow field in multiple impellers stirred vessel with various impeller types and configurations at 300rpm, 450rpm and 600rpm. Three types of impellers are investigated, namely the pitched blade impeller (PB...
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M. Anil Kizilaslan, Ender Demirel and Mustafa M. Aral
Three-dimensional numerical simulations are performed to evaluate the effect of porous baffles on the efficiency of water treatment contact tanks. A second-order accurate numerical model is employed for the solutions of unsteady flow and tracer transport...
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Zulfikar A. Adamu and Andrew Price
Adequate ventilation is necessary for thermal comfort and reducing risks from infectious bio-aerosols in hospital wards, but achieving this with mechanical ventilation has carbon and energy implications. Natural ventilation is often limited to window-bas...
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Eldwin Djajadiwinata, Shereef Sadek, Shaker Alaqel, Jamel Orfi and Hany Al-Ansary
This paper studies the pressure variation that exists on the converging mixing section wall of a supersonic ejector for refrigeration application. The objective is to show that the ejector one-dimensional model can be improved by considering this wall?s ...
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Ana M. Díaz, Inés Terrones-Fernandez, Pedro Javier Gamez-Montero and Robert Castilla
In microbiology laboratories, it is essential to obtain high-quality samples where the culture media are completely homogeneous. The pour plate method includes having to melt the culture media?a mixture of agar and a nutrient solution?before seeding. A s...
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