Results 51 to 60 of about 14,411 (284)

Gas turbine exhaust nozzle [PDF]

open access: yes, 1973
An elongated hollow string is disposed in an exhaust nozzle combustion chamber and communicates with an air source through hollow struts at one end. The other end of the string is bell-mouth shaped and extends over the front portion of a nozzle plug. The
Straight, D. M.
core   +1 more source

Experimental Evaluation of Electric Powertrain System for Unmanned Aerial Vehicles

open access: yesEngineering Reports, Volume 8, Issue 1, January 2026.
Electric Powertrain Performance Metrics and Selection Workflow for UAVs. ABSTRACT With the growing use of unmanned aerial vehicles (UAVs) in both civil and military applications, optimizing electric powertrain systems is essential to enhance endurance, efficiency (η$$ \eta $$), and mission adaptability.
Srikanth Goli   +6 more
wiley   +1 more source

Thermal–Structural Assessment of a Convergent Nozzle for UAV Applications Using Advanced Steady‐State Thermal Analysis

open access: yesJournal of Engineering, Volume 2026, Issue 1, 2026.
This study presents an in‐depth structural evaluation of the convergent nozzle in a microgas turbine engine (MGTE), focusing on the performance of various lightweight materials used in aerospace applications. The research investigates both structural and aerothermal characteristics of the nozzle under realistic operating conditions.
Darshan Kumar Jayaram   +4 more
wiley   +1 more source

A Visualization Verification Method for Startup Risk of Substation Equipment Based on Multidimensional Graph Models

open access: yesEngineering Reports, Volume 7, Issue 11, November 2025.
Based on a multi‐dimensional diagram model, a technique for visual verification of the risk of starting substation equipment is studied. This method can effectively and precisely verify the possible risks during the substation equipment startup and enhance the power system's operational safety.
Lifan Mao   +4 more
wiley   +1 more source

Experimental Analysis on the Operating Line of Two Gas Turbine Engines by Testing with Different Exhaust Nozzle Geometries

open access: yesEnergies, 2023
This paper presents a special analysis study about the gas turbine operating line, and an overall description of a gas turbines project, based on experimental data from two particular applications, in order to convert two different types of aero engines ...
Razvan Marius Catana   +1 more
doaj   +1 more source

Adaptive Neuro‐Fuzzy Inference System‐Based Sliding Mode Control in the Presence of External Disturbances and Parameter Variation for Quadcopter UAV

open access: yesEngineering Reports, Volume 7, Issue 10, October 2025.
The helical trajectory of a quadcopter is a three‐dimensional path in the presence of disturbance. ABSTRACT Quadrotor unmanned aerial vehicles (UAVs) are increasingly becoming essential tools in applications such as surveillance, military operations, crop monitoring, search and rescue, and inspection of hazardous terrain.
Daniel Fikadu Assefa   +3 more
wiley   +1 more source

Various Methods of Encapsulation Biomaterials in Self‐Healing Concrete: A Review

open access: yesEngineering Reports, Volume 7, Issue 9, September 2025.
Investigation of the different methods of encapsulation of healing materials. ABSTRACT Concrete is known for its inherent vulnerability to cracking, which can be attributed to factors like temperature fluctuations, changes in moisture levels, and cyclic loading.
Mostafa Adresi, Mehdi Khoshoo
wiley   +1 more source

Turbojet Thrust Augmentation through a Variable Exhaust Nozzle with Active Disturbance Rejection Control [PDF]

open access: gold, 2021
Francisco Villarreal‐Valderrama   +3 more
openalex   +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

open access: yesEngineering 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   +3 more
wiley   +1 more source

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

open access: yesEngineering 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   +9 more
wiley   +1 more source

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