Energy Efficiency Code
Mostrando 13-20 de 20 artigos, teses e dissertações.
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13. Dano em placas laminadas devido ao impacto a baixas velocidades. / Damage in laminate plates caused by low velocity impact.
Laminate composite materials have high structural efficiency, however it is jeopardized due the low strength to impact loads. The objective of this work is to develop a numerical simulation methodology that estimates the damage in laminate plates caused by low velocity impact. Experimental tests were performed on laminate plates reinforced with weaven carbon
Publicado em: 2008
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14. Identificação de genes expressos durante a fase pré-simbiótica da associação ectomicorrízica entre Hydnangium sp. e Eucalyptus grandis e transformação de fungos ectomicorrízicos / Identification of genes expressed during the pre-symbiotic interaction in the Hydnangium sp.-Eucalyptus grandis ectomycorrhizal association and transformation of ectomycorrhizal fungi
Gene expression in the ectomycorrhizal fungus Hydnangium sp. during the pre-symbiotic interaction was evaluated using an in vitro mycorrhization technique aiming at constructing a suppressive subtractive cDNA library. The fungus was cultivated in the presence of Eucalyptus grandis roots, with no direct physical contact between both organisms. Genes that code
Publicado em: 2008
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15. Hybrid method for numerical simulation of room acoustics with auralization: part 1 - theoretical and numerical aspects
A new hybrid simulation method for room acoustics is presented. It is grounded on two well known numerical simulation techniques for room acoustics. The hybrid method takes geometric acoustics for granted and uses an improved version of the classical ray-tracing technique for computing the specular reflections and a slightly modified energy transition method
Journal of the Brazilian Society of Mechanical Sciences and Engineering. Publicado em: 2007-06
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16. Modeling and optimization of piezoelectric shunts apply to passive vibration control / Modelagem numérica e otimização de shunts piezelétricos aplicados ao controle passivo de vibrações
Due to the development of new technologies, industrial structures are now made of lighter materials and work at higher operation speeds producing an increasing vibration and noise level generation. As a result, different techniques of active and passive control have been developed and are continuously being improved. Among the passive control techniques, the
Publicado em: 2007
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17. Theoretical analysis of formation and sustainment methods for compact toroids
Recent theoretical studies on the use of neutral beams (NB), rotating magnetic fields (RMF) and helicity injection (HI) to form and sustain compact toroids are reported. A Monte Carlo code was employed to study NB injection in Field Reversed Configurations (FRC) and Spheromaks. The code calculates the ionization of the neutral particles and follows the exact
Brazilian Journal of Physics. Publicado em: 2004-12
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18. Monte Carlo simulation of activity measurements by means of 4pb-g coincidence system
The methodology for simulating all detection processes in a 4pb-g coincidence system by means of the Monte Carlo technique is described. The goal is to predict the behavior of the observed activity as a function of the 4pb detector efficiency. In this approach, the information contained in the decay scheme is
Brazilian Journal of Physics. Publicado em: 2004-09
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19. Análise teórica de emissores homogêneos (n+) e duplamente difundidos (n+n++) em células solares de silício: implementações ao processo de fabricação. / Theoretical analysis of homogeneous (n+) and double diffused (n+ n++) emitters of silicon solar cells implementations to the fabrication process.
Searching for the improvement of n+pp+ solar cell efficiencies, a theoretical model was developed in order to optimize the emitter parameters and several technological processes were implemented in the fabrication of these devices. Thus, a code considering the characteristics of the different regions n+ emitter, base region and p+ emitter were developed. The
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/07/1998
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20. Niveis energeticos e transições atomicas no Kr V1, ArV e Xe VII
In this thesis we studied the atomic emission spectra of five times ionized kripton (KrVI), four time ionized argon (ArV) and six time ionized xenon (XeVII). We used two theta-pinchs (Technological Institute of Lund -Sweden and Unicamp-Brazil) and a tube of capilar discharge (CIOp-Argentina) as a ligth sources. In the theta-pinch at Unicamp, several improvem
Publicado em: 1994