Mechanical Specific Energy
Mostrando 1-12 de 52 artigos, teses e dissertações.
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1. Percutaneous and endoscopic combined treatment of bladder and renal lithiasis in mitrofanoff conduit
ABSTRACT Introduction and Objectives: Treatment of bulky lithiasis in continent and non-continent urine storage reservoirs has been widely described and debated (1). Less is known about the optimal treatment in patients with a Mitrofanoff conduit. If voiding in these patients is incomplete, leading to recurrent symptomatic bacteriuria, formation of large li
International braz j urol. Publicado em: 2022
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2. KRAFT LIGNIN AS AN ADDITIVE IN PINE AND EUCALYPTUS PARTICLE COMPOSITION FOR BRIQUETTE PRODUCTION
RESUMO O objetivo deste trabalho foi avaliar as propriedades de briquetes produzidos com diferentes proporções de partículas de madeira de pinus e eucalipto, bem como caracterizar o potencial de uso da lignina kraft como aditivo na composição destes briquetes para a geração de energia. Os tratamentos diferenciaram-se na proporção de mistura de part�
Rev. Árvore. Publicado em: 13/06/2019
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3. Reabilitação térmica: Contributo das argamassas com incorporação de material de mudança de fase
RESUMO O setor residencial encontra-se muitas vezes envelhecido, apresentando necessidades de intervenções urgen-tes. Assim, torna-se importante reabilitar edifícios do ponto de vista estrutural, estético e funcional. A reabili-tação térmica é uma importante oportunidade para atingir níveis mais elevados de desempenho energético, reduzindo a elevad
Matéria (Rio J.). Publicado em: 10/06/2019
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4. Mechanical and Metallurgical Characterization of Laser Welding on P91 Ferritic Steel and Incoloy 800HT Dissimilar Joints
In this work, microstructural characterization and mechanical properties of P91 and Incoloy 800HT dissimilar laser beam welded joint were analyzed. In addition to that, metallographical studies were conducted using Optical microscopy, Scanning electron microscopy (SEM) equipped with Energy-dispersive X-ray spectroscopy (EDX) and X-Ray diffraction analysis (
Mat. Res.. Publicado em: 01/02/2018
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5. Control system for continuous positive airway pressure
INTRODUCTION: Continuous Positive Airway Pressure (CPAP) is a mode of non-invasive mechanical ventilation commonly used in neonatology. The incorporation of new therapeutic and technological advances may impact the survival of very low birth weight preterm infants. However, one of the difficulties faced is the high cost of this device and its numerous add-on
Rev. Bras. Eng. Bioméd.. Publicado em: 2014-06
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6. Characterization of cassava starch processed in an internal mixer
An internal mixer connected to a torque rheometer was used to investigate the effect of moisture content (13.2 to 46.8 g.100g- 1), rotation speed (13.2 to 46.8 rpm) and processing temperature (53.2 to 86.8 °C), applying a factorial central composite design, on the specific mechanical energy (SME), pasting viscosity and crystallinity of cassava starch. Torqu
Polímeros. Publicado em: 2013
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7. NUMERICAL MODELING OF ROCK CUTTING PROCESS FOR DRILLING OIL WELLS / MODELAGEM NUMÉRICA DO PROCESSO DE CORTE EM ROCHA PARA PERFURAÇÃO DE POÇOS DE PETRÓLEO
O mecanismo de corte em rocha é determinante na eficiência do processo de perfuração de poços de petróleo. Este mecanismo tem sido estudado através de ensaios de corte com um único cortador. Neste trabalho foram desenvolvidos modelos com o método dos elementos finitos para simular o processo de corte em rocha realizado por um cortador único. Este t
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/02/2012
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8. Analysis of Gas Turbine Performance with Inlet Air Cooling Techniques Applied to Brazilian Sites
Abstract: For geographic regions where significant power demand and highest electricity prices occur during the warm months, a gas turbine inlet air cooling technique is a useful option for increasing output. Inlet air cooling increases the power output by taking advantage of the gas turbine's feature of higher mass flow rate, due the compressor inlet temper
J. Aerosp. Technol. Manag.. Publicado em: 2012-09
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9. Mechanized methods for harvesting residual biomass from Mediterranean fruit tree cultivations
This study evaluates the technology and work systems used in order to harvest residual biomass from pruning in the specific conditions of Mediterranean fruit orchards (narrow distances between crop-rows). Harvesting has been divided into several types of operations - pruning, biomass alignment between crop tracks, biomass concentration in piles, chipping and
Scientia Agricola. Publicado em: 2012-06
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10. Effect of electron beam irradiation on the mechanical properties of buriti fiber
Natural fibers, mainly those lignocellulosic extracted from plants, have, in the past few decades, attracted the attention not only of scientists but also of industrial technologists of our society interested in their engineering materials. As it is well known, uses of natural fiber in clothes carpets, baskets, ropes and low cost construction roofing has exi
Matéria (Rio J.). Publicado em: 2012
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11. Perfis de espalhamento Raman ressonante em estruturas unidimensionais de carbono: cadeias lineares e nanotubos quiralmente enriquecidos
In resonant Raman scattering experiments using several laser lines, the intensity profile of the spectra as a function of the laser energy is related to the vibrational and electronic structure of the material. In this work, we have measured and interpreted the resonant Raman profiles for samples of chirality enriched single-walled carbon nanotube and for po
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 20/12/2011
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12. Gesso reciclado : avaliação de propriedades para uso em componentes / Recycled gypsum plaster : properties evaluation for components use
The search for technical and economical feasibility of waste recycling in the productive construction chain meets the new needs of the sector to promote an integrated development with economical, social and environmental needs. Gypsum plaster is a widely material used in civil construction. The productive process is relatively simple and it involves low ener
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 05/12/2011