Now showing items 11-20 of 1424
On the parameters of performance of combined refrigeration and power plants
Combined Refrigeration and Power (CRP) plants generate power and refrigerate a thermal load simultaneously from the same fuel. The overall efficiency is a parameter based on the first law generally used to quantify the ...
Energy and exergy efficiency of a building internal combustion engine trigeneration system under two different operational strategies
(Elsevier Science SaLausanneSuíça, 2012)
Detection of a change of slope in the spectrum of heavy mass cosmic rays primaries by the Kascade-Grande experiment
(Ceske Vysoke Uceni TechnickePrague, 2013)
KASCADE-Grande is an extensive air shower experiment devoted to the study of cosmic rays in the '10 POT. 16' ÷ '10 POT. 18' eV energy range. The array comprises various detectors allowing independent measurements of the ...
Primary Frequency Control of Multi-Machine Power Systems with STATCOM-SMES: A Case Study
Primary frequency control (PFC) has the ability to regulate short period random variations of frequency during normal operation conditions and response to emergency rapidly. However, in the last decade, many large blackouts ...
Power electronics courses for the new paradigms of the electrical system
This paper presents a historical perspective of the Power Electronics education that has lead to the present situation in which such technology is indispensable for the exploitation of almost all type of clean energy primary ...
O perfil longitudinal de chuveiros atmosféricos extensos de altíssimas energias no cálculo da energia calorimétrica e no estudo da composição química dos primáriosThe ultra high energy extensive air shower longitudinal profile on the calorimetric energy calculus and primaries chemical composition studies
Comparative ablation rate from a Er : YAG laser on enamel and dentin of primary and permanent teeth
This study was conducted to analyze the ablation rate and micromorphological aspects of microcavities in enamel and dentin of primary and permanent teeth using a Er:YAG laser system. Micromorphological evaluation has been ...