Results 41 to 50 of about 9,919 (312)

Techno-Economic Analysis of Gas Turbine Compressor Washing to Combat Fouling [PDF]

, 2015
Among the major deterioration problems a gas turbine encountered while in operation is compressor blade fouling. This is the accumulation and adhesion of dirt and sediment on the compressor blade which contributes between 70 to 85% of gas turbine ...
Abass, Kabir Oliade
core  

Simulation of wind turbine wake interaction using the vorticity transport model

, 2010
The aerodynamic interactions that can occur within a wind farm can result in the constituent turbines generating a lower power output than would be possible if each of the turbines were operated in isolation.
Fletcher, Timothy M., Brown, R.E., Fletcher, T.M., Timothy M. Fletcher, Richard E. Brown, Brown, Richard   +5 more
core   +1 more source

Development of a Method for Enhanced Fan Representation in Gas Turbine Modeling [PDF]

, 2011
A challenge in civil aviation future propulsion systems is expected to be the integration with the airframe, coming as a result of increasing bypass ratio or above wing installations for noise mitigation. The resulting highly distorted inlet flows to the
Anestis Kalfas, Khaleghi, H., Pilidis, Pericles, Hossein Khaleghi, Doulgeris, Georgios C., Georgios Doulgeris, Kalfas, Anestis I., Pericles Pilidis   +7 more
core   +1 more source

Axial Gap Studies on the Flow Behavior and Performance of a Counter Rotating Turbine

Journal of Applied Fluid Mechanics, 2020
A Counter Rotating Turbine (CRT) is an axial flow turbine with a nozzle followed by two rotors that rotate in the opposite direction of each other. Axial gap is an important parameter that affects the performance of turbine stage.
R. Subbarao, M. Govardhan
doaj  

Productivity‐Driven Optimization of Laser Powder Bed Fusion Parameters for IN718 Superalloy: Process Control, Microstructure, and Mechanical Properties

Advanced Engineering Materials, EarlyView.
This study demonstrates how optimizing laser power, scanning speed, and hatching distance in laser powder bed fusion can boost the productivity of Inconel 718 manufacturing by up to 29% while maintaining mechanical integrity. The work delivers a validated process window and cost–time analysis, offering industry‐ready guidelines for efficient additive ...
Amir Behjat, Guido Barale, John Stavridis, Ehsan Norouzi, Jin‐Yoo Suh, Dong‐Ik Kim, Luca Iuliano, Abdollah Saboori   +7 more
wiley   +1 more source

Cascade Testing and CFD Applied to Gas Turbine Performance Improvement with Compressor Cleaning [PDF]

, 2010
With the growing interest in life cycle costs for heavy-duty gas turbines, equipment operators are investigating the trade off between performance improvements and associated maintenance costs. One of the key factors leading to performance degradation
Gannan, Aiad
core  

Preliminary Design Method and Performance Analysis of Small-Scale Single-Stage Axial Turbine for Supercritical CO₂ Applications

Energies
The supercritical carbon dioxide (sCO2) Brayton cycle has advantages such as a compact system and high energy density. Axial turbines, the key component of the cycle, have lower rotational speeds, pressure ratios and engineering difficulties compared to ...
Yumeng Han, Yongqing Xiao, Bingkun Ma, Yueming Yang, Ziang Kong, Xinying Liu, Jianhui Qi   +6 more
doaj   +1 more source

Axial Turbine Stage Characteristics

NTU "KhPI" Bulletin: Power and heat engineering processes and equipment, 2018
Today the energy consumption structure requires using the turbine units of thermal power plants of a high power to regulate the energy system frequency and power that drop by 35 to 40 % of the rated load during the night time or stop. Nevertheless, turbine stages operate in a wide range of the mode variation ranging from those that exceed the nominal ...
Slabchenko, Oleg, Goloshchapov, Vladimir
openaire   +3 more sources

Rafting of Ni‐Based Superalloys Under Multiaxial Load as Understood by Phase‐Field Simulations and Critical Experiments

Advanced Engineering Materials, EarlyView.
Phase‐field simulations coupled with dislocation‐density‐based crystal plasticity modeling reproduce γ′ rafting behavior in single‐crystal Ni‐based superalloys under varied loading conditions. The model captures both macroscopic creep and microscopic morphology evolution, with results matching high‐temperature creep experiments.
Micheal Younan, David Bürger, Gunther Eggeler, Oleg Shchyglo, Ingo Steinbach, Muhammad Adil Ali   +5 more
wiley   +1 more source

NUMERICAL ANALYSIS OF AN AXIAL HIGH PRESSURE PARTIAL ADMISSION TURBINE

, 2022
The transformation of the energy systems will call for new turbomachinery designs for harvesting low-grade heat. The word “low-grade” has many definitions and ranges from levels where steam is the preferred selection to very low grades where specially ...
Askebjer, Per, Hushmandi, Narmin,, Hu, Heng,, Genrup, Magnus,, Lund University.   +4 more
core   +1 more source