Constant Flow
Mostrando 1-12 de 805 artigos, teses e dissertações.
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1. Use of graphite in the distribution of rice seeds with constant flow seed metering device
RESUMO O desempenho do mecanismo dosador de semente é avaliado de acordo com a uniformidade da deposição ao longo da operação e sua interferência na qualidade das sementes. O objetivo do experimento foi avaliar a influência da utilização do grafite, na homogeneidade de deposição e no índice de quebras das sementes de arroz, distribuídas com dosa
Revista Brasileira de Engenharia Agrícola e Ambiental. Publicado em: 2023
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2. STUDY ON THE OPTIMIZATION FOR THE SIZE OF FUEL CELL FLOW FIELD UNDER INADEQUATE AIR SUPPLY CONDITION
In this paper, the influence of the optimization for flow field size on the proton exchange membrane fuel cell (PEMFC) performance under the inadequate air supply of cathode was studied based on the three-dimensional, steady-state, and constant temperature PEMFC monomer model. Additionally, the effect of the optimization for hybrid factors, including length,
Quím. Nova. Publicado em: 2021-04
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3. SEWAGE PERFORMANCE OF A NEW TYPE OF FLAP FILTER
ABSTRACT The drainage performance of a mesh filter determines the water consumption degree of the filter and the efficiency of the next work cycle. Through analysis, we found that the influent flow rate and the sediment content of the influent were important influencing factors. This experiment focused on the drainage time, pressure difference, and cleanline
Eng. Agríc.. Publicado em: 2021-04
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4. CHARACTERIZATION OF INTERACTION BETWEEN BUDDLEOSIDE AND BOVINE SERUM ALBUMIN
The primary objective of this study was to investigate the binding of buddleoside to bovine serum albumin (BSA) by different analytical techniques. The analytical principles of affinity capillary electrophoresis (ACE) and fluorescence spectroscopy used in the experiments were different. Mobility (M) that is independent of viscosity of the operating buffer an
Quím. Nova. Publicado em: 20/07/2020
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5. Investigação da variação de pressão em sistemas de vazão lateral através do princípio de Bernoulli
Resumo Especificamente, investigamos a variação de pressão ocorrido em sistemas simples de vazão lateral através do princípio de Bernoulli. Tal sistema de fluido é definido por um escoamento interno e externo a um recipiente de área de secção transversal constante, através de um orifício localizado em sua lateral. O escoamento pode ser controlado
Rev. Bras. Ensino Fís.. Publicado em: 20/01/2020
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6. Efecto de la PEEP sobre el componente resistivo inspiratorio en pacientes con sindrome de distrés respiratorio agudo ventilados a bajo volumen corriente
ABSTRACT Objective: To describe the behavior of inspiratory resistance components when positive end-expiratory pressure (PEEP) increases in patients with acute respiratory distress syndrome under a protective ventilation strategy. Methods: In volume-controlled mode, at 6mL/kg and constant flow, end-inspiratory occlusions were performed at 0, 5 10, 15 and 2
Rev. bras. ter. intensiva. Publicado em: 20/01/2020
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7. EXPERIMENTAL AND NUMERICAL ANALYSIS OF CHAOTIC ADVECTION AS AN EFFICIENT APPROACH TO MAXIMIZE HOMOGENEOUS LAMINAR MIXING IN A BATCH MIXER
Abstract In the present work, the impacts of effective parameters on the mixing of Stokes flows in a chaotic batch mixer are numerically and experimentally studied. The batch mixer consists of a container and two circular rotors where the rotors can rotate independently. To investigate the possibility of improving the mixing, the effect of non-constant speed
Braz. J. Chem. Eng.. Publicado em: 13/01/2020
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8. Effect of Scanning Speed on the Surface Roughness of Laser Metal Deposited Copper on Titanium Alloy
This paper reports on the effect of scanning speed on the laser deposited Cu on titanium alloy substrate. The experiments were conducted by varying the scanning speed from 0.3 m/min to 1.2 m/min while the laser power, the powder feed rate and the gas flow rate were kept constant. The laser deposited Cu were characterized through the evolving microstructure a
Mat. Res.. Publicado em: 20/12/2019
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9. Land-use influence on the soil hydrology: An approach in upper Grande River basin, Southeast Brazil
RESUMO A Bacia do Alto Grande (ARG) é responsável pela drenagem de vários rios no sudeste do Brasil, sendo uma região hidrológica de grande importância para o Sistema Elétrico Brasileiro. Portanto, estudos sobre a disponibilidade de água nesta região são indispensáveis para uma melhor tomada de decisão na gestão dos recursos hídricos. O objetiv
Ciênc. agrotec.. Publicado em: 09/12/2019
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10. Cardiac autonomic responses during and after a single session of aerobic exercise with and without blood flow restriction
Abstract Aim: To verify the on and off heart rate (HR) and HR variability (HRV) kinetics during a high-load aerobic exercise and a low-load aerobic exercise, with and without blood flow restriction (BFR). Methods: Fourteen healthy male subjects performed three randomly assigned experimental sessions: 1) 10 minutes walking at 40% of maximal aerobic speed
Motriz: rev. educ. fis.. Publicado em: 04/11/2019
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11. On-Flow Ligand Screening Assay Based on Immobilized Nucleoside Diphosphate Kinase B from Homo sapiens
We describe an on-flow zonal affinity-based chromatography assay to screen ligands for the nucleoside diphosphate kinase B enzyme (NME2) from Homo sapiens. For the first time, we have covalently immobilized NME2 on the surface of an open fused silica capillary reactor (NME2-ICER) and placed the reactor before the analytical column, which resulted in a two-di
J. Braz. Chem. Soc.. Publicado em: 24/10/2019
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12. Effect of Pressure Gradient on the Development of Görtler Vortices
ABSTRACT: Boundary layers over concave surfaces may become unstable due to centrifugal instability that manifests itself as stationary streamwise counter rotating vortices. The centrifugal instability mechanism in boundary layers has been extensively studied and there is a large number of publications addressing different aspects of this problem. The results
J. Aerosp. Technol. Manag.. Publicado em: 24/10/2019