Transactions of the ASME. Journal of solar energy engineering, Vol. 132 N° 1. Journal of solar energy engineering: transactions of the ASME - Janvier 2010
| Titre : | Transactions of the ASME. Journal of solar energy engineering, Vol. 132 N° 1. Journal of solar energy engineering: transactions of the ASME - Janvier 2010 |
| Type de document : | Bulletin |
| Paru le : | 03/11/2010 |
Dépouillements
Article : texte imprimé
Juan Rodriguez, Auteur ;
Clido Jorge, Auteur ;
Patricia Zuniga, Auteur
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Solar water disinfection was performed using TiO2 and a Ru(II) complex as fixed catalysts located in a compound parabolic collector photoreactor. Studies were performed in the laboratory as well as at a greenfield site. Under laboratory conditio[...]
Article : texte imprimé
Hikaru Matsumiya, Auteur ;
Ryosuke Ito, Auteur ;
Masafumi Kawakami, Auteur
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A 1-kW small horizontal-axis wind turbine “Airdolphin,” capable of high wind operation up to 50 m/s without pitch control system, is now under global round robin tests. The present paper reports a series of technical approach including design/an[...]
Article : texte imprimé
Joachim Gottsche, Auteur ;
Bernhard Hoffschmidt, Auteur ;
Stefan Schmitz, Auteur
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The cost of solar tower power plants is dominated by the heliostat field making up roughly 50% of investment costs. Classical heliostat design is dominated by mirrors brought into position by steel structures and drives that guarantee high accur[...]
Article : texte imprimé
S. Redi, Auteur ;
G. S. Aglietti, Auteur ;
A. R. Tatnall, Auteur
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This paper presents a preliminary assessment of the potential advantage that a high altitude solar collector could bring compared with the traditional ground based photovoltaic systems. This advantage mainly derives from the reduced attenuation [...]
Article : texte imprimé
Raul Zimmerman, Auteur ;
Graham Morrison, Auteur ;
Gary Rosengarten, Auteur
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Proton exchange membrane fuel cells (PEMFCs) are good candidates for portable energy sources with a fast response to load changes, while being compact as a result of their capability to provide a high power density. Hydrogen constitutes the fuel[...]
Article : texte imprimé
Wanan Sheng, Auteur ;
Roderick A. McD. Galbraith, Auteur ;
Frank N. Coton, Auteur
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National Renewable Energy Laboratory, USA (NREL) airfoils have been specially developed for wind turbine applications, and projected to yield more annual energy without increasing the maximum power level. These airfoils are designed to have a li[...]
Article : texte imprimé
Nathan B. Crane, Auteur
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Pyrometers are commonly used for high temperature measurement, but their accuracy is often limited by uncertainty in the surface emissivity. Radiation heating introduces additional errors due to the extra light reflected off the measured surface[...]
Article : texte imprimé
Matthew A. Lackner, Auteur ;
Gijs A. M. Van Kuik, Auteur
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Reducing the loads experienced by wind turbine rotor blades can lower the cost of energy of wind turbines. “Smart rotor control” concepts have emerged as a solution to reduce fatigue loads on wind turbines. In this approach, aerodynamic load con[...]
Article : texte imprimé
Ken Mok, Auteur
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A stochastic hub-height wind speed estimation algorithm for wind turbines, which requires only the rotor angular velocity measurement in the presence of observation noise is proposed. It is assumed that the power curve and the total inertia of t[...]
Article : texte imprimé
H. Yamaguchi, Auteur ;
N. Sawada, Auteur ;
H. Suzuki, Auteur
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In this paper, a solar water heater using supercritical carbon dioxide as working fluid is proposed and experimentally studied. For supercritical carbon dioxide, a small change in temperature or pressure can result in large change in density, es[...]
Article : texte imprimé
K. K. Chong, Auteur ;
C. W. Wong, Auteur ;
F. L. Siaw, Auteur
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The design and construction of miniature prototype of nonimaging planar concentrator, which is capable of producing much more uniform spatial irradiance and reasonably high concentration ratio, were presented in the previous paper. In this paper[...]
Article : texte imprimé
Paul Lichty, Auteur ;
Christopher Perkins, Auteur ;
Bryan Woodruff, Auteur
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High temperature biomass gasification has been performed in a prototype concentrated solar reactor. Gasification of biomass at high temperatures has many advantages compared with historical methods of producing fuels. Enhancements in overall con[...]
Article : texte imprimé
Matt Royer, Auteur ;
Jane H. Davidson, Auteur ;
Lorraine F. Francis, Auteur
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This paper presents an analytical model and an experimental study of adhesion and fluid shear removal of calcium carbonate scale on polypropylene and copper tubes in laminar and turbulent water flows, with a view toward understanding how scale c[...]
Article : texte imprimé
D. K. Kotter, Auteur ;
S. D. Novack, Auteur ;
W. D. Slafer, Auteur
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The research described in this paper explores a new and efficient approach for producing electricity from the abundant energy of the sun, using nanoantenna (nantenna) electromagnetic collectors (NECs). NEC devices target midinfrared wavelengths,[...]
Article : texte imprimé
Alejandro D. Otero, Auteur ;
Fernando L. Ponta, Auteur
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An important aspect in wind-turbine technology nowadays is to reduce the uncertainties related to blade dynamics by the improvement of the quality of numerical simulations of the fluid-structure interaction process. A fundamental step in that di[...]
Article : texte imprimé
Jan Albers, Auteur ;
Giovanni Nurzia, Auteur ;
Felix Ziegler, Auteur
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The efficient operation of a solar cooling system strongly depends on the chiller behavior under part load conditions, since driving energy and cooling load are never constant. For this reason, the performance of a single stage, hot water driven[...]
Article : texte imprimé
R. Bader, Auteur ;
A. Steinfeld, Auteur
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An integral methodology is formulated to analytically derive the exact profile of a solar trough concentrator that delivers a uniform radiative flux distribution over a flat rectangular target area at the focal plane. The Monte Carlo ray-tracing[...]
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