Results 41 to 50 of about 16,739 (234)

CALCULATION AND REGULATION FEATURES OF DUCT-BURNING TURBOFAN ENGINE AT RAMJET MODES

Авіаційно-космічна техніка та технологія, 2020
A promising direction in aviation is the creation of anaircraft for supersonic cruise speeds (Mach 3...4). It is known that ramjet engines are more preferable for Mach numbers larger 3.
Олег Владимирович Кислов, Михаил Анатольевич Шевченко   +1 more
doaj   +1 more source

MHD Flow Dynamics of Brinkman‐Type EO‐Based MoS2 Nanofluid Over a Rotatory Disk: Numerical Insights Into Cross‐Diffusion, Hall Current, and Reactive Transport

Engineering Reports, Volume 7, Issue 9, September 2025.
This study models MHD flow of Brinkman‐type EO‐based MoS2 nanofluid over a rotatory disk with Hall current, cross‐diffusion, and reactive transport. Numerical results reveal the effects of key parameters on flow, heat, and mass transfer in porous rotating systems.
B. Prabhakar Reddy, Jumanne Mng'ang'a, J. Manoj Kumar, M. Paul Matao   +3 more
wiley   +1 more source

Change of temperature field in the depending mixing chamber on the bypass ratio

Авіаційно-космічна техніка та технологія
The mixing chamber of a turbofan jet engine with an additional turbofan unit is the object of this study. The subject of the research is the influence of the bypass ratio on the formation of the temperature field in the mixing chamber before the turbofan
Yurii Tereshchenko, Illia Yudin
doaj   +1 more source

Research on Performance Seeking Control of Turbofan Engine at Cruise Status Based on Sequential Quadratic Programming Algorithm

MATEC Web of Conferences, 2018
The sequential quadratic programming algorithm was applied to the performance seeking control of multi-variable turbofan engine. According to the actual condition of aircraft cruise status, the constant thrust condition is added in the constraint ...
Shufan Zhao, Heng Wu, Liming Shi, Cheng Huang, xinyi Yang   +4 more
doaj   +1 more source

Reference and Limit Governors for Limit Protection of Turbofan Engines

Energies, 2019
This paper proposes a novel architecture of limit protection including the references governors and limit governors and applies this architecture to limit protection in turbofan engines.
Wenhao Xu, Muxuan Pan, Jiakun Qin, Jinquan Huang   +3 more
doaj   +1 more source

Development of a Predictive Tool for the Parametric Analysis of a Turbofan Engine

Applied Sciences, 2023
Parametric cycle analysis, an on-design engine study, specifies the required design characteristics that optimize engine performance. This study aimed to conduct a parametric analysis of a low-bypass turbofan engine with an afterburner, F100-PW229, and ...
Zara Ahmed, Muhammad Umer Sohail, Asma Javed, Raees Fida Swati   +3 more
doaj   +1 more source

Advancing Intermediate Soil Properties (ISP) Interpolation for Enhanced Geotechnical Survey Accuracy. A Review

Engineering Reports, Volume 7, Issue 8, August 2025.
Enhancing geotechnical survey accuracy: Integrating intermediate soil properties (ISP) interpolation with multidimensional raster data (MRD) for comprehensive subsurface characterization and improved project efficiency. ABSTRACT Accurate subsurface characterization is essential in geotechnical surveys, yet traditional soil sampling techniques often ...
Aliya Aldungarova, Yelbek Utepov, Assel Mukhamejanova, Assel Tulebekova, Aida Nazarova, Akmaral Tleubayeva, Indira Makasheva, Gulnaz Zhakapbayeva, Bekbolat Makhiyev, Timoth Mkilima   +9 more
wiley   +1 more source

Risk Analysis Under Uncertainty, Subjectivity, and Incomplete Knowledge: With a Use Case of Energy System Failures

Engineering Reports, Volume 7, Issue 7, July 2025.
FR‐FMEA combines fuzzy logic and rough set theory to address uncertainty and incomplete knowledge in failure analysis. Applied to a gas turbine system, it delivers more reliable and distinct risk rankings, identifying critical components for targeted maintenance and improved reliability.
Ali Aghazadeh Ardebili, Mahdad Pourmadadkar, Elio Padoano   +2 more
wiley   +1 more source

Numerical Investigations of the Aerothermal Performance of Modern Turbine Blade Tip Geometries at Design and Off‐Design Conditions and Under Stationary and Moving Shroud

Heat Transfer, Volume 54, Issue 5, Page 3193-3207, July 2025.
ABSTRACT High‐pressure turbine blade tips operate under extreme thermal stress, generating significant aerodynamic losses that must be continually optimized to improve engine efficiency and durability. This study uses computational fluid dynamics (CFD) to investigate the aerodynamic and thermal behavior of advanced turbine blade tip configurations ...
Kheir‐Eddine Arrif, Zakaria Mansouri, Salaheddine Azzouz   +2 more
wiley   +1 more source

Methods for Preliminary Estimation of Turbofan Engine Weight [PDF]

فناوری در مهندسی هوافضا, 2018
The preliminary estimation of the weight at the conceptual design stage of the turbofan engine is one of the most important stages in designing the turbine gas engines.
Mostafa Mahmoodi, Ali Aminaee
doaj