Gas Turbine
Mostrando 1-12 de 61 artigos, teses e dissertações.
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1. Exergy and emergy: complementary tools for assessing the environmental sustainability use of biosolids generated in wastewater-treatment plant for energy-production
Taking advantage of the energy contained in the biosolids generated in a wastewater treatment plant (WWTP) is one of the processes of greatest interest due to the opportunity to obtain an energy resources from a waste. The aim of this research was to analyze the environmental sustainability use of biosolids generated in a wastewater-treatment plant for energ
Química Nova. Publicado em: 2022
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2. Multi-criteria Selection of Distributed Mini Generation Systems Using Rice Husk
ABSTRACT This paper presents a multi-criteria methodology to support decision making for management and selection of distributed mini generation sources (GD) using rice husk. Considering the potential of residual biomass, the developed model is based on the Analytic Hierarchy Process (AHP) method to evaluate the main technological arrangements of generation
Braz. arch. biol. technol.. Publicado em: 22/10/2018
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3. On the Machinability and Surface Finish of Superalloy GH909 Under Dry Cutting Conditions
GH 909 alloy is a kind of low thermal expansion superalloy with high strength and low expansion coefficient. It is mainly used for manufacturing of aero-engine turbine casings, sealing ring, vanes and other gap control parts, to improve the working efficiency and thrust of the engine as well as to reduce gas loss and fuel consumption. However, the machinabil
Mat. Res.. Publicado em: 21/05/2018
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4. Run time Assessment for Gas Turbine Performance Simulation
ABSTRACT: This article describes the run time characteristics of a gas turbine performance simulation using different solvers and components off-design performance database formats. Two different nonlinear systems of equation solvers, Newton-Raphson's and Broyden's, and two different formats of compressor and turbine off-design performance database (maps), t
J. Aerosp. Technol. Manag.. Publicado em: 15/03/2018
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5. Real-Time Gas Turbine Model for Performance Simulations
ABSTRACT Industry and universities around the world invest time and money to develop digital computer programs to predict gas turbine performance. This study aims to demonstrate a brand new digital model developed with the ability to simulate gas turbine real time high fidelity performance. The model herein described run faster than 30ms per point, which is
J. Aerosp. Technol. Manag.. Publicado em: 2017-09
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6. Combined Cycle Performance Evaluation and Dynamic Response Simulation
ABSTRACT Power plants operating in combined cycle present higher thermal efficiency (over 60%) and increased power generation when compared to traditional simple cycles, such as gas or steam turbines operating alone. Considering that the power plant evaluated in this paper is already operational, a further development concerning to the power plant control sy
J. Aerosp. Technol. Manag.. Publicado em: 2016-12
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7. Development of a Powder-feed Device and Procedures for the Application of an Experimental Alloy in Overhead PTA-P Welding
Abstract: When they are damaged by cavitation, hydroelectric power plant turbine blades must be repaired using operations that could benefit from developments in welding technologies. In light of this, the LABSOLDA welding laboratory at the Federal University of Santa Catarina is making efforts to enhance the flexibility and robustness of the powder-fed plas
Soldag. insp.. Publicado em: 2015-12
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8. One-Stage Power Turbine Preliminary Design and Analysis
ABSTRACT: Design and development of gas turbine components are a complex multidisciplinary process. At the beginning of the power class definition and engine configuration it is necessary to conduct a market study. The results obtained are used in gas turbine thermodynamic cycle calculations and analysis in order to define the gas turbine design point. Sever
J. Aerosp. Technol. Manag.. Publicado em: 2015-06
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9. On Optimisation of Environmentally Friendly Aircraft Engine Cycles
ABSTRACT: In this work, the Techno-economic Environmental Risk Analysis framework, a multi-disciplinary optimisation tool developed by Cranfield University, is utilised in conjunction with an in-house optimiser to carry out aircraft engine cycle optimisation processes. The central point here is the evaluation of the capabilities of the in-house optimiser for
J. Aerosp. Technol. Manag.. Publicado em: 2015-06
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10. Gas Turbine Course's Teaching Process at Instituto Tecnológico de Aeronáutica: Theory and Laboratory
ABSTRACT: The Instituto Tecnológico de Aeronáutica (ITA) is an Engineering school maintained by the Air Force Command, Ministry of Defense. The aim of the Turbomachines Department at ITA is the human resources training for design and development of aeronautical and industrial gas turbines, necessary for the Gas Turbine Program of the Departamento de Ciênc
J. Aerosp. Technol. Manag.. Publicado em: 2015-03
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11. Estudos de processos avançados em geração termelétrica utilizando leitos fluidizados consumindo biomassa / Advanced studies on power generation processes based on fluidized beds consuming biomass
A study aiming maximizing the efficiency of an advanced combined power generation process has been developed. The process applies a pressurized fluidized bed boiler consuming sugar cane bagasse fed as slurry. The generated steam is diverted to a reheated Rankine cycle while the gas exiting the boiler is directed to a gas turbine process. Many assumptions hav
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/07/2012
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12. Multistage axial-flow turbines : design and performance analysis
Plans for developing turbines in Brazil were present on the conception of CTA six decades ago. In this manner highly specialized work teams is needed to carry out such activity. The Center for Reference on Gas Turbine group has been contributing to research activities at CTA taking account of the study of gas turbines both aeronautical and industrial. In ord
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/06/2012