Results 21 to 30 of about 50,370 (258)

An Air Jet Distortion Generation System

open access: yesInternational Journal of Rotating Machinery, 2014
An air jet distortion generation system is developed to simulate the distorted flow field ahead of gas turbine engines in ground test facility. The flow field of a system of four jets arranged circumferentially and issuing into a confined counterflow was
M. Sivapragasam   +3 more
doaj   +1 more source

Effects of Inlet Swirl Distortion on a Multi-Stage Compressor with Inlet Guide Vanes and Stall Margin Enhancement Method

open access: yesAerospace, 2023
Inlet swirl distortion is generally considered as a type of velocity distortion, and inlet guide vanes (IGVs) are widely used in the multi-stage compressor of aero-engines to eliminate the tangential velocity of the swirl flow.
Yibo Fang   +3 more
doaj   +1 more source

Analysis of Flow Field Distortion in Ship Inlet System and Its Effect on Compressor Performance [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2023
Intake system structure design is categorized under gas turbine marine technology, and its performance affects the inlet flow field of the compressor, thereby impacting the overall operation stability of the gas turbine.
Z. Y. Wang, C. X. He, Y. L. Qu
doaj   +1 more source

Harmonic Forcing from Distortion in a Boundary Layer Ingesting Fan

open access: yesAerospace, 2021
Integrating a fan with a boundary layer ingestion (BLI) configuration into an aircraft fuselage can improve propulsion efficiency by utilizing the lower momentum airflow in the boundary layer developed due to the surface drag of the fuselage.
Hans Mårtensson
doaj   +1 more source

Assessing the Impact of the Inlet Total Pressure Distortion on the Turbofan Thrust

open access: yesMechanical Engineering and Computer Science, 2018
The paper considers techniques to develop a mathematical model using a method of «parallel compressors». The model is intended to estimate the impact of the air inlet distortion on the primary parameters of the aero-engine.  The paper presents rated estimation results in the context of twin spool turbofan design for two typical cruiser modes of flight ...
Yu. A. Ezrokhi, E. A. Khoreva
openaire   +1 more source

Research on Intake Distortion of a Three‑Stage Transonic Fan Based on Body Force Model

open access: yesNanjing Hangkong Hangtian Daxue Xuebao
The effects of circumferential total pressure distortion and different types of swirl distortion on the performance and stability of three‑stage transonic fan are studied by the body force model (BFM) and computational fluid dynamics (CFD), and the ...
SUN Gaoqing, LI Chuanpeng, TU Baofeng
doaj   +1 more source

Effects of Nacelle Inlet Geometry on Crosswind Distortion Under Ground Static Conditions

open access: yesAerospace
The aerodynamic performance of nacelle inlets under crosswind conditions is crucial for engine stability and efficiency. Current parametric investigations are predominantly focused on cruise operations, with minimal consideration given to crosswind ...
Xiufeng Song   +3 more
doaj   +1 more source

Internal Aerodynamic Performance Enhancement for Aircraft with High Maneuver by Designing a Distributed Submerged Inlet

open access: yesApplied Sciences, 2023
Submerged inlet has been widely used in UAVs and cruise missiles due to its good stealth characteristics, but it also brings the disadvantage of poor aerodynamic characteristics.
Junyao Zhang, Baigang Mi
doaj   +1 more source

Optimization of a transonic axial-flow compressor under inlet total pressure distortion to enhance aerodynamic performance

open access: yesEngineering Applications of Computational Fluid Mechanics, 2020
In a boundary layer ingestion (BLI) propulsion system, the compressor rotor operates under the condition of a severe inflow distortion because the boundary layers on the surface of aircraft have been ingested.
Li Da   +5 more
doaj   +1 more source

Aerodynamic Shape Optimization of an Aircraft Propulsor Air Intake with Boundary Layer Ingestion

open access: yesApplied Mechanics, 2022
The growth of the airline industry has highlighted the need for more environmentally conscious aviation, leading to the conceptualization of more fuel-efficient aircraft.
Ayesh Sudasinghe   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy