Search Results - "Villa Ochoa, Alvaro Antonio"

Energetic analysis of a commercial absorption refrigeration unit using an ammonia-water mixture by Araújo, Josegil Jorge de, Santos, Carlos Antonio Cabral dos, Holanda, Carlos Almir de, Duarte, João Batista Furlan, Ochoa, Alvaro Antonio Villa, Dutra, José Carlos Charamba

“…The ROBUR® absorption refrigeration system (ARS), model ACF60, with a capacity of 17.5 kW, is tested, modeled and simulated in the steady state. To simulate…”
Get full text

Remaining Useful Life Estimation Framework for the Main Bearing of Wind Turbines Operating in Real Time by Vieira, Januário Leal de Moraes, Farias, Felipe Costa, Ochoa, Alvaro Antonio Villa, de Menezes, Frederico Duarte, Costa, Alexandre Carlos Araújo da, da Costa, José Ângelo Peixoto, de Novaes Pires Leite, Gustavo, Vilela, Olga de Castro, de Souza, Marrison Gabriel Guedes, Michima, Paula Suemy Arruda

“…The prognosis of wind turbine failures in real operating conditions is a significant gap in the academic literature and is essential for achieving viable…”
Get full text

A Review of Tropical Organic Materials for Biodiesel as a Substitute Energy Source in Internal Combustion Engines: A Viable Solution? by Souza, Anderson Breno, Ochoa, Alvaro Antonio Villa, Costa, José Ângelo Peixoto da, Leite, Gustavo de Novaes Pires, Silva, Héber Claudius Nunes, Tómas, Andrezza Carolina Carneiro, Barbosa, David Campos, Michima, Paula Suemy Arruda

“…In this article, the most important publications on the subject are compiled to highlight the progress in biodiesel production from tropical cultivars,…”
Get full text

Dynamic experimental analysis of a LiBr/H2O single effect absorption chiller with nominal capacity of 35 kW of cooling by Villa, Alvaro Antonio Ochoa, Dutra, José Carlos Charamba, Henríquez, Jorge Recarte Henríquez, Santos, Carlos Antonio Cabral do, Costa, José Ângelo Peixoto da

“…This work aims to transient performance of chiller single effect absorption refrigeration using the LiBr/H2O pair with nominal capacity of 35 kW. The goal of…”
Get full text

Energetic Analysis using theoretical modeling and the characteristic equation method in a small absorption chiller with LiBr/H2O by Villa, Alvaro Antonio Ochoa, Costa, José Ângelo Peixoto da, Santos, Carlos Antonio Cabral dos

“…This paper sets out to examine a small absorption chiller that uses the pair LiBr/ H2O with a 4.5 kW nominal capacity, using theoretical modeling and the…”
Get full text

Comparative study of air conditioning systems with vapor compression chillers using the concept of green buildings by Pereira, Gutenberg Da Silva, Primo, Ana Rosa, Villa, Alvaro Antonio Ochoa

“…This paper sets out to compare two different cooling systems that use vapor compression chillers for air conditioning environments. It was proposed to compare…”
Get full text

Real-time energy and economic performance of the multi-zone photovoltaic-drive air conditioning system for an office building in a tropical climate by Nobuyoshi Yamada Junior, Roberto, Antonio Villa Ochoa, Alvaro, de Novaes Pires Leite, Gustavo, Claudius Nunes Silva, Heber, Ângelo Peixoto da Costa, José, Tiba, Chigueru, Gabriel Carvalho de Oliveira, Edywin, Suemy Arruda Michima, Paula

“…scheme of the on-grid photovoltaic HVAC system. [Display omitted] •Modeling of split-type HVAC systems, VRF, and Chiller with thermoaccumulation;•Energy…”
Get full text

Evaluation of machine learning-based applications in forecasting the performance of single effect absorption chiller network by Panahizadeh, Farshad, Hamzehei, Mahdi, Farzaneh-Gord, Mahmood, Villa, Alvaro Antonio Ochoa

“…•Comparing three different machine learning methods to simulate absorption chillers.•Optimizing cooling load of absorption chillers in the network by genetic…”
Get full text

A parametric and comparative study of a permanent magnet structure by de Souza, Alisson Cocci, Imamura, William, Kaneko, Guilherme Hitoshi, Bouchonneau, Nadège, da Costa, José Ângelo Peixoto, Leite, Gustavo Novaes Pires, Ochoa, Alvaro Antonio Villa

“…Permanent magnets remain the primary source of magnetic field in magnetic refrigerators and thermomagnetic motors, generally being evaluated by the Λ cool…”
Get full text

Development of a method for predicting the transient behavior of an absorption chiller using artificial intelligence methods by Sousa Alcântara, Suellen Cristina, Villa Ochoa, Alvaro Antonio, da Costa, José Ângelo Peixoto, de Menezes, Frederico Duarte, de Novaes Pires Leite, Gustavo, Arruda Michima, Paula Suemy, da Silva Marques, Adriano

“…•Artificial intelligence models to predict absorption chillers behavior was proposed.•A strategy modeling was built though the intelligent regression…”
Get full text

Ensemble learning framework for fleet-based anomaly detection using wind turbine drivetrain components vibration data by de Lima Munguba, Caio Filipe, de Novaes Pires Leite, Gustavo, Costa Farias, Felipe, Carlos Araújo da Costa, Alexandre, de Castro Vilela, Olga, Perruci, Valentin Paschoal, de Petribú Brennand, Leonardo, Guedes de Souza, Marrison Gabriel, Ochoa Villa, Alvaro Antonio, Lopez Droguett, Enrique

“…Anomalies in wind turbines pose significant risks of costly downtime and maintenance, underscoring the importance of early detection for reliable operation…”
Get full text

Fault detection framework in wind turbine pitch systems using machine learning: Development, validation, and results by Filipe de Lima Munguba, Caio, Villa Ochoa, Alvaro Antonio, de Novaes Pires Leite, Gustavo, Araújo da Costa, Alexandre Carlos, Peixoto da Costa, José Ângelo, Duarte de Menezes, Frederico, Alves de Mendonça, Evandro Pedro, de Petribú Brennand, Leonardo José, de Castro Vilela, Olga, Guedes de Souza, Marrison Gabriel

“…This work develops a methodology for detecting faults in wind turbines through supervised machine-learning classification methods focusing in two modes of…”
Get full text

Ultrasound as a tool for reducing energy consumption in electrocatalytic hydrogenation of aromatic ketones using graphite as catalyst support by Calado Galvão de Melo, Sarah, da Silva, Maria Eduarda Pereira, da Silva, Maria Eduarda Barreto, da Paz, Josinete Angela, de Menezes Barbosa, Celmy Maria Bezerra, de Menezes, Frederico Duarte, Loureiro, Rodrigo Nogueira Albert, Navarro, Marcelo, da Costa, José Ângelo Peixoto, da Silva, Gabriel Francisco, Villa, Alvaro Antonio Ochoa, Vilar, Márcio

“…Benzylic alcohols have an important role in organic synthesis as target molecules of biological interest, which can be produced from the reduction of aromatic…”
Get full text

Analysis of the transformations temperatures of helicoidal Ti-Ni actuators using computational numerical methods by Oliveira, Carlos Augusto do N., Villa, Alvaro Antonio Ochoa, Gonzalez, Cezar Henrique, Guimarães, Pablo Batista, Ferreira, Rodrigo José, Urtiga Filho, Severino Leopoldino, Silva, Niedson José da, Rocha, José Orlando Silveira

“…The development of shape memory actuators has enabled noteworthy applications in the mechanical engineering, robotics, aerospace, and oil industries and in…”
Get full text

Sonoelectrochemical hydrogenation of safrole: A reactor design, statistical analysis and computational fluid dynamic approach by da Paz, Josinete Angela, de Menezes, Frederico Duarte, Selva, Thiago Matheus Guimarães, Navarro, Marcelo, da Costa, José Ângelo Peixoto, da Silva, Ronaldo Dionísio, Villa, Alvaro Antonio Ochoa, Vilar, Márcio

“…[Display omitted] •A new sonoelectrochemical reactor for electrocatalytic hydrogenation route is presented.•The optimal conditions of the process were analyzed…”
Get full text

Aerodynamic interference caused by wake effects of repowered wind farms on the annual energy production in neighboring wind farms by Itallo Ribeiro Dias da Silva, Alesson, de Novaes Pires Leite, Gustavo, Maurício Araújo, Alex, Antonio Ochoa Villa, Alvaro, Carlos Araújo da Costa, Alexandre, Augusto Salhua Moreno, Cesar, Weschenfelder, Franciele, Lopez Droguett, Enrique

“…•Wake effect impact on neighbor wind farms is assessed for repowered wind farms;•Three wind turbines and three wake deficit models were considered in the…”
Get full text

Análise energética de um chiller de absorção integrado a uma unidade de cogeração a gás natural by Alcântara, Suellen Cristina Sousa, Villa, Alvaro Antonio Ochoa, Costa, José Ângelo Peixoto da, Cézar, Kleber Lima

“…Os sistemas de cogeração de energia apresentam o potencial necessário à exploração racional dos recursos energéticos, vantagens econômicas e ambientais,…”
Get full text

Estudo de viabilidade da geração fotovoltaica como fonte energética principal para a frota de veículos elétricos em Fernando de Noronha, Brasil by Sousa, Lucas Nascimento de, Andrade, Hilson Gomes Vilar de, Souza, Anderson Breno, Ochoa, Alvaro Antonio Villa

“…O objetivo deste trabalho é dimensionar sistemas fotovoltaicos com as estações de recargas, para atender à demanda de veículos elétricos e diminuir a…”
Get full text

Techno-economic and Exergoeconomic Analysis of a micro cogeneration system for a residential use by Ochoa, Alvaro Antonio, Dutra, José Carlos Charamba, Henríquez, Jorge Recarte, Santos, Carlos Antonio Cabral dos

“…The aim of the study is to present an economic analysis of a micro cogeneration system using financial analysis (energy view) and exergoeconomic analysis…”
Get full text

An economic analysis of the integration between air-conditioning and solar photovoltaic systems by Novaes Pires Leite, Gustavo de, Weschenfelder, Franciele, Araújo, Alex Maurício, Villa Ochoa, Álvaro Antônio, Franca Prestrelo Neto, Newton da, Kraj, Andrea

“…•Analysis of an air-conditioning system with a solar photovoltaic system was made.•Four case studies and two types of air-conditioning systems were…”
Get full text