Results 61 to 70 of about 487 (88)

Analysis of Flow and Pressure Pulsation in Draft Tube of Francis Turbine under Different Guide Vane Opening

Renmin Zhujiang, 2023
In order to explore the influence of the opening of the movable guide vane on the flow and pressure pulsation in the draft tube of the Francis turbine,the steady and unsteady numerical simulations were carried out by establishing a three-dimensional full-
REN Haibo, YU Bo, WANG Kui, WANG Luobin
doaj  

Numerical study on flow and heat transfer of combustion chamber and turbine under thermal shock test

Case Studies in Thermal Engineering
In order to more accurately analyze the influence of the interaction between the aero-engine combustion chamber and the turbine, this paper establishes a combustion chamber-turbine cross-component model based on a high-pressure first-stage guide vane ...
Cheng-jun Wang, Hai-yi Tao, Peng-yu Xu, Yun-dong Sha   +3 more
doaj   +1 more source

Turbine Performance of Variable Geometry Turbocharger Applied to Small Gasoline Engine Considering Heat Transfer Effect

Energies
The performance of the turbine in a variable geometry turbocharger (VGT) may be affected by changes in the vane operating angle and heat transfer loss during operation.
Jeong-Eui Yun, Joon-Young Shin, Cartur Harsito, Gi-Yong Kim, Hyung-Jun Kim   +4 more
doaj   +1 more source

Uncertainty analysis of turbine nozzle guide vane cooling performance.

PLoS ONE
Conjugate heat transfer analysis plays an important role in the design of heavily cooled gas turbine vane or blade. In this study, the aerodynamic and heat transfer performance of the E3 engine nozzle guide vane is investigated through conjugate heat ...
Decang Lou, Mengjun Wang, Along Chen, Jun Zeng, Shuai Zhang, Xiaoyang Huang   +5 more
doaj   +1 more source

Numerical analysis of energy loss characteristics of guide vane centrifugal pump as turbine

Frontiers in Energy Research
The structure of the guide vane centrifugal pump as turbine is complex, and the internal flow characteristics directly affect the energy loss distribution.
Ziqiang Wang, Wenjing Wang, Dongxu Wang, Ying Song   +3 more
doaj   +1 more source

Computational Fluid Dynamics Analysis of Draft Tube Flow Characteristics in a Kaplan Turbine

Actuators
This study presents a numerical investigation of the internal flow characteristics within the draft tube of a Kaplan turbine using computational fluid dynamics (CFD).
Qinwen Yan, Zhiqiang Xiong, Yuan Zheng, Chen Feng, Zhen Li, Lin Hu, Lianchen Xu   +6 more
doaj   +1 more source

Numerical Investigation of Clocking Effects on the Hydraulic Performance of Pump–Turbine in Pump Mode

Energies
This study numerically investigates clocking effects on pump–turbine hydraulic performance in pump mode. Analyzing the influence of clock position on pressure loss characteristics under three flow conditions and its correlation with internal flow.
Lisheng Zhang, Yongbo Li, Ming Ma, Lijun Kong, Zhenghai Huang, Lintao Xu, Bofu Wang   +6 more
doaj   +1 more source

Computational Fluid Dynamics Prediction of External Thermal Loads on Film-Cooled Gas Turbine Vanes: A Validation of Reynolds-Averaged Navier–Stokes Transition Models and Scale-Resolving Simulations for the VKI LS-94 Test Case

Fluids
Given the increasing role of computational fluid dynamics (CFD) simulations in the aerothermal design of gas turbine vanes and blades, their rigorous validation is becoming more and more important.
Simone Sandrin, Lorenzo Mazzei, Riccardo Da Soghe, Fabrizio Fontaneto   +3 more
doaj   +1 more source

Influence of surface roughness of thermal barrier coating on the cooling performance of a film-cooled turbine vane

Case Studies in Thermal Engineering
To explore the impact of thermal barrier coating (TBC) surface roughness on the cooling effectiveness of film-cooled turbine vanes, the GE-E3 high pressure turbine vane was used.
Xiaoyu Song, Feng Liu, Yan Yan, Wen Wang, Yaning Wang, Wei Sun, Jiahuan Cui   +6 more
doaj   +1 more source

Some of the next articles are maybe not open access.

Related searches:

Aerodynamic performance measurement of a novel variable geometry turbine adjustable guide vane scheme by experimental study

Aerospace Science and Technology, 2023
Zhen-ping Feng
exaly