QQCWB

GV

Review Of Geometric Uncertainty Quantification In Gas Turbines

Di: Ava

Abstract: In order to study the influence of blade stage angle deviation on compressor performance and stability, a subsonic single rotor axial Carefully designing blade geometric parameters is necessary as they determine the aerodynamic performance of a rotor. However, manufacturing inaccuracies cause the blade

A Review on Gas Turbine Gas-Path Diagnostics: State-of-the-Art Methods, Challenges and Opportunities 23 July 2019 | Aerospace, Vol. 6, No. 7 Experimental analysis of In this paper, the main sources and features of gas turbine geometric uncertainty are reviewed first.

Variable Geometry in Miniature Gas Turbine for Improved Performance and ...

Although the geometric manufacturing deviations of compressor blades are typically small in magnitude (generally on the order of millimeters), they can significantly disturb Abstract. Accurate uncertainty quantification of compressor performance arising from blade geometric deviations is conducive to blade optimization design, In the last five years Uncertainty Quantification (UQ) techniques became popular to predict gas turbine performances. Taking into account the uncertainties in the input

Uncertainty Quantification Applied to Gas Turbine Components

4. Wang J, Zheng X. Review of geometric uncertainty quantification in gas turbines. J Eng Gas Turbines Power 2020; 142 (7): 1.

Abstract. The uncertainty quantification in the turbine components‘ aerodynamic and heat transfer performances is widely considered to be the most challenging topic due to its

In recent years, a lot of research work has been carried out on uncertainty quantification of compressor blade machining deviation at home and abroad. In this paper, the research Abstract. This paper presents a multifidelity optimization strategy for efficient uncertainty quantification and robust optimization applicable to turbomachinery blade design. Review of Geometric Uncertainty Quantification in Gas Turbines Article Full-text available Jul 2020

Abstract The previous chapters analyzed the level of uncertainty in different gas turbine components, how this affects the performance such as life and fuel con-sumption and the Studies on performance impact due to the high-dimensional geometric uncertainties face the “curse of dimensionality” problem, making the cost of uncertainty

真实安装角偏差影响压气机性能的不确定性量化

X. Zheng , “ Review of geometric uncertainty quantification in gas turbines ,” J. Eng. Gas Turbines Power 142 For turbine efficiency, the impact of geometric uncertainty and thermodynamic uncertainties are similar and slightly larger than that of rotation speed uncertainty.

In this paper, the main sources and features of gas turbine geometric uncertainty are reviewed first. Abstract. Manufacturing tolerance uncertainties in gas turbine aero-engines are unavoidable, which adversely influence the thrust control performance of newly produced aero Then, the basic principles, characteristics, and application in gas turbines of different uncertainty quantification (UQ) methods are reviewed.

However, relevant studies on uncertainty quantification or robust design optimization of centrifugal impellers are quite rare. The mechanisms of how the realistic Abstract. It is important to accurately estimate the impact of flow and geometric variations for engineering design and manufacture. In this paper, an efficient uncertainty

To address this need, this article has developed a modeling, quantification, and analysis methodology specifically tailored for addressing geometric variation in transonic high

This study proposes an efficient gas turbine blade aerothermal performance uncertainty system based on the genetic algorithm acceleration strategy, and develops a method for The previous chapters analyzed the level of uncertainty in different gas turbine components, how this affects the performance such as life and fuel consumption and the

Chapter 4 Uncertainty Quantification Applied to Gas Turbine Components Francesco Montomoli and M. Massini Abstract The previous chapters analyzed the level of uncertainty in different Abstract: In order to study the influence of blade stage angle deviation on compressor performance and stability, a subsonic single rotor axial compressor was taken as the research Abstract. In this work, a new multifidelity (MF) uncertainty quantification (UQ) framework is presented and applied to the LS89 nozzle modified by fouling. Geometrical

4. Wang J, Zheng X. Review of geometric uncertainty quantification in gas turbines. J Eng Gas Turbines Power 2020; 142 (7): 1.

Gas-path diagnosis is of great efficiency and economic benefit to gas turbines, whose algorithms are generally developed and tested by simulation. However, the existing

Gas turbines play a key role in industries such as aeronautics, maritime, and power generation, but high operating temperatures in these settings would expose critical components, Abstract. A compressor usually contains multiple blade rows, and its uncertainty dimensionality grows proportionally with the number of blade rows, leading to a rapid increase