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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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Jacqueline Hannss, Jeremias Grün, Christoph Olbrich, Simon Feldmeth and Frank Bauer
Rotary shaft seals prevent the exchange of fluid at shaft passages. Their function and service life depend decisively on the temperature in the contact area between the sealing edge and the shaft. Since the temperature depends on both the generation of f...
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Calogero Picone, Marco Sinagra, Luana Gurnari, Tullio Tucciarelli and Pasquale G. F. Filianoti
In the last few decades, hydropower production has been moving toward a new paradigm of low and diffused power density production of energy with small and mini-hydro plants, which usually do not require significant water storage. In the case of nominal p...
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Christopher Hartmann, Julia Schweikert, François Cottier, Ute Israel, Jochen Gier and Jens von Wolfersdorf
Experimental results for the transient heat transfer characteristics over a flat plate and over a plate with V-shaped ribs were compared to numerical results from a coupling environment applying FEM and CFD. In order to simulate transient effects in the ...
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Manuel Ernesto Maqueo Martínez, Stefan Schippling, Markus Schatz and Damian M. Vogt
Considerable progress has been achieved in recent decades in understanding the phenomena related to the onset of condensation in steam flows, both experimentally and especially numerically. Nevertheless, there is still a certain disagreement between the ...
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Arun Kumar, Rahul Kumar Meena, Ritu Raj, Mohammad Iqbal Khan and Jamal M. Khatib
The wind flow patterns and pressure distribution around a plus-shaped building are significantly influenced by re-entrant corner dimensions and building height. The present study aims to find the wind effects and study the pressure distribution with diff...
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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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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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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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