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Mongkol Kaewbumrung, Worapol Tangsopa and Jatuporn Thongsri
A gas turbine power plant in Thailand had the problem of compressor blade fracture in Stages 6?8, which was caused by housing damage. This gas turbine has a total of 15 stages. The housing damage reduced the lifetime of blades to an unacceptable level. T...
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Oleksandr Moloshnyi, Mykola Sotnyk, Svitlana Lugova
Pág. 179 - 186
The goal of the article is to identify the influence of geometrical parameters of the axial inlet device, presence of its walls rotation and the pump flow rate on components of the absolute velocity distribution at the impeller inlet.A numerical simulati...
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Richárd Wéber, Csaba Hos
Pág. 1 - 9
This paper focuses on the hydrodynamic behavior of liquid pipelines in the presence of air valves. The aim of installing such valves on pipeline systems is twofold: on one hand, they release the accumulated air content and on the other hand, they allow t...
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Marieli Azoia Lukiantchuki, Alessandra Prata Shimomura, Fernando Marques da Silva, Rosana Maria Caram
Pág. e37537
Wind tunnel experiments and Computational Fluid Dynamics (CFD) simulations are used to analyze natural ventilation in a sawtooth roof building. A 1:10 scale model is tested in an atmospheric boundary layer wind tunnel. The CFD simulations are perfo...
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Marieli Azoia Lukiantchuki, Alessandra Prata Shimomura, Fernando Marques da Silva, Rosana Maria Caram (Author)
Pág. e37537
Wind tunnel experiments and Computational Fluid Dynamics (CFD) simulations are used to analyze natural ventilation in a sawtooth roof building. A 1:10 scale model is tested in an atmospheric boundary layer wind tunnel. The CFD simulations are perfo...
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Omer Faruk Can, Nevin Celik, Filiz Ozgen, Celal Kistak and Ali Taskiran
In this study, a numerical and experimental analysis of a solar collector with roughness elements in the form of stainless-steel scourers on the absorber surface is presented. According to the location type and number of the stainless steel scourers, the...
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Mykola Kulyk,Fedir Kirchu,Hussein Hanesh
Pág. 40 - 48
A new shape of the tandem blade with an improved arrangement of profiles, in relation to the known propellers, in which the profiles are located similar to those in the tandem wing of an airplane is developed. A new arrangement of profiles along the heig...
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Velocity profiles in tidal channels cause cyclic oscillations in hydrodynamic loads due to the dependence of relative velocity on angular position, which can lead to fatigue damage. Therefore, the effect of velocity profile on the load variation and fati...
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Mohannad Bayoumi
Although radiant cooling is considerably more efficient than conventional all-air room cooling systems, the potential for its application in warm humid regions is limited, owing to the increased risk of condensation by opened windows or unsealed openings...
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Yong Ma, Chao Hu, Yulong Li, Lei Li, Rui Deng and Dapeng Jiang
The goal of this manuscript is to investigate the influence of relative distance between the twin rotors on the hydrodynamic performance of the vertical axis twin-rotor tidal current turbine. Computational fluid dynamics (CFD) simulations based on commer...
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Mohannad Bayoumi
Although radiant cooling is considerably more efficient than conventional all-air room cooling systems, the potential for its application in warm humid regions is limited, owing to the increased risk of condensation by opened windows or unsealed openings...
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Chao-Ching Ho, Ke-Ying Shen, Chang-Sheng Chen, Yuan-Jen Chang, Jin-Chen Hsu and Chia-Lung Kuo
Laser-drilled hole arrays are part of an important field that aim to improve efficiency without affecting the quality of laser-drilled holes. In this paper, a swirling gas jet was implemented to assist with laser trepanning for a galvanometer scanned CO2...
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Hengtao Shi
Recently, a new type of low-loss variable inlet guide vane (VIGV) was proposed for improving a compressor?s performance under off-design conditions. To provide more information for applications, this work investigated the effect of the Reynolds number an...
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