Multi-objective optimization approach toward conceptual design of gas turbine combustor

Saboohi, Zoheir; Ommi, Fathollah; Akbari, Mansor

doi:10.1016/j.applthermaleng.2018.11.082

Cited by 31 publications

(17 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Observa-se, no interior da pá, que para maiores valores de vazão de resfriamento as solicitações térmicas da pá serão menores. Menores gradientes de temperatura na pá geram menos variações de propriedades no interior do material e evita níveis de dilatação distintos em uma mesma região, evitando assim possíveis trincas, fadiga térmica, deformações localizadas, dentre outros problemas, conforme constatados por Sahith et al (2018) e Ersayin e Ozgener (2015).…”

Section: Resultsunclassified

See 1 more Smart Citation

Aspectos Relacionados À Alimentação De Educandos Da Eja Dentro E Fora Da Escola Emef “Prof. Pedro Simão”, Em Alegre, Espírito Santo

Martins¹,

Alves²,

Silva³

et al. 2019

SODEBRAS

View full text Add to dashboard Cite

projeto de extensão com decorrências no contexto contemporâneo de consumo. Para isso, foi realizada uma análise por meio das confluências entre a literatura e o arsenal documental do projeto para sua caracterização extensionistas. Observou-se, a partir da pesquisa, que o Clube de Trocas tem possibilitado a ressignificação do consumo e a mitigação de suas consequências, pautando assim a construção de uma nova epistemologia benéfica e solidária. Além disso, o mesmo tem se apresentado como um espaço potencial para a formação coletiva que propicia a experimentação e a vivência de outra dinâmica de consumo, direta, critica e socializadora.

show abstract

Section: Resultsunclassified

“…Foram utilizados os dados operacionais da turbina NASA Energy Efficient Engine GE-E3 (WENTONG et al, 2018;SABOOHI et al 2019;DAVIS e STEARNS, 1985;HALILA et al, 1982), conforme indicados na Tabela 1. Tal turbina há bastante tempo tem servido de base para cálculos termodinâmicos na área, dada a sua boa eficiência operacional.…”

Section: Metodologiaunclassified

Aspectos Relacionados À Alimentação De Educandos Da Eja Dentro E Fora Da Escola Emef “Prof. Pedro Simão”, Em Alegre, Espírito Santo

Martins¹,

Alves²,

Silva³

et al. 2019

SODEBRAS

View full text Add to dashboard Cite

show abstract

“…Approach III: Reviewing the design studies and parametric studies in terms of the type and phase of the injected or added humidifier (water or vapor); addition of different diluents to the combustion process; comparing addition of humidifier to the fuel side or oxidizer (air) side; the point at where the humidifier is injected or added (combustion chamber, compressor, or gas turbine); type of flame or combustion (premixed, partially premixed, or non-premixed); and the type of fuel used in the combustion process. Approach IV: Providing the significant design goals (performance parameters), even under undesirable conditions should be monitored [3]. Parameters such as maximum efficiency, lowest pressure loss, minimum emission, suitable outlet temperature distribution, combustion and flame stability, and reliability.…”

Section: Introductionmentioning

confidence: 99%

Effects of steam addition and/or injection on the combustion characteristics: A review

2021

Self Cite

View full text Add to dashboard Cite

Due to increasing global energy demand and the fact that a major source of the required energy is generated from fossil fuels, the combustion process has turned into a topic of interest in converting fossil fuels to energy. An ideal combustion system is one that can combine high engine efficiency with low fuel consumption and low emissions. Increasing humidity is a technique used by researchers for influencing the combustion process. The present study aims to review previously conducted researches in this regard. Based on viewpoints of these researches, the reviewed studies were categorized into four groups: (1) the case studies used; (2) the methodology applied; (3) the design guidelines considered; and (4) the performance parameters studied. It can be concluded from the reviewed articles that nitrogen oxide (NOx) reduction is the most significant advantage of increasing humidity in the combustion process, and has led to the widespread use of this method. The other studied emissions either remained constant or their respective increases were negligible.

show abstract

“…Rogero and Rubini [3], for example, employed an aerothermal network model and an evolutionary optimization algorithm to optimize for 22 performance targets while minimizing cooling flow and NOx emissions. Wyse et al [4] employed a similar network model of a combustion system to minimise NOx and CO through a Tabu search while, more recently, Saboohi et al [5] employed a chemical network model within a multi-objective optimization attempting to also reduce NOx and CO.…”

Section: Introductionmentioning

confidence: 99%

The Potential of a Multifidelity Approach to Gas Turbine Combustor Design Optimization

Toal

Zhang

Keane

et al. 2021

Journal of Engineering for Gas Turbines and Power

View full text Add to dashboard Cite

The desire to reduce gas turbine emissions drives the use of design optimization approaches within the combustor design process. However, the relative cost of combustion simulations can prohibit such optimizations from being carried out within an industrial setting. Strategies which can significantly reduce the cost of such studies can enable designers to further improve emissions performance. The following paper investigates the application of a multi-fidelity surrogate modelling approach to the design optimization of a typical gas turbine combustor from a civil airliner engine. Results over three different case studies of varying problem dimensionality indicate that a multi-fidelity surrogate modelling based design optimization, whereby the simulation fidelity is varied by adjusting the coarseness of the mesh, can indeed improve optimization performance. These results indicate that such an approach has the potential to significantly reduce design optimization cost whilst achieving similar, or in some cases superior, design performance.

show abstract

Multi-objective optimization approach toward conceptual design of gas turbine combustor

Cited by 31 publications

References 14 publications

Aspectos Relacionados À Alimentação De Educandos Da Eja Dentro E Fora Da Escola Emef “Prof. Pedro Simão”, Em Alegre, Espírito Santo

Aspectos Relacionados À Alimentação De Educandos Da Eja Dentro E Fora Da Escola Emef “Prof. Pedro Simão”, Em Alegre, Espírito Santo

Effects of steam addition and/or injection on the combustion characteristics: A review

The Potential of a Multifidelity Approach to Gas Turbine Combustor Design Optimization

Contact Info

Product

Resources

About