... Publishing Limited Licensed re-use rights only Noise Modeling and simulation CFD Duct fans, with their core advantages of strong vertical take-off and landing capabilities, compact structure and high propulsion efficiency, have become key propulsion components for unmanned aerial vehicles...

... the development of ultralight polymer-based launch vehicles (LVs) using autophage propulsion systems. Design/methodology/approach Computational fluid dynamics ( CFD ) simulations were performed using Reynolds-Averaged Navier–Stokes equations with the Spalart–Allmaras turbulence model. The flow around cone...

... spreading along the major axis for all modified nozzles. Originality/value Previous research focused on mainly experimental studies of high-aspect-ratio rectangular convergent-divergent nozzles with various trailing-edge modifications. Comprehensive CFD analysis of low-aspect-ratio rectangular...

... and conventional tail under varying flight conditions. Research aims to provide insights into optimizing UAV tail designs for improved aerodynamic efficiency and flight performance. Design/methodology/approach A comprehensive computational fluid dynamics ( CFD ) analysis was performed on four tail...

.../methodology/approach The computational fluid dynamics ( CFD ) numerical simulation method was used to simulate the unfolding process of UAV serial wings under four configurations, and the lifting drag coefficient curves of UAV serial wings were obtained when the Angle of attack was from 0° to 20° under...

... an air-cooling-based solution for the thermal management of lithium-ion batteries in electric aircraft. Design/methodology/approach Computational fluid dynamic ( CFD ) research methods were used to assess the viability of air-cooling lithium-ion batteries stored in the wings of a prototype electric...

... 2025 Emerald Publishing Limited Licensed re-use rights only CFD Modeling and simulation Finite element analysis Aerodynamics Flight safety u = fluid velocity vector; p = pressure; ρ = fluid density; μ = dynamic viscosity; and f = the body...

... of complete aerodynamic data by both computational fluid dynamics (CFD) and US Air Force (USAF) DATCOM methods to facilitate six-degree-of-freedom (6-DOF) flight simulation, providing an understanding of the aircraft’s performance. Design/methodology/approach The UCAV model was developed using 3D CAD...

... to model in the CFD software. This study aims to investigate the impact of flow modelling on resulting aerodynamic coefficients. Mainly, the coefficients obtained by two different independent software were analysed. Their value and course for complete aircraft and for both wings as well. Moreover, during...

...Yasin Furkan Gorgulu Purpose This study aims to investigate the cooling performance of gas turbine blades using computational fluid dynamics (CFD), focusing on the effects of different air velocities and turbulence models to enhance cooling efficiency. Design/methodology/approach A gas turbine...

... of these batteries. This paper aims to delve into the process of lithium-ion battery heat management systems, exploring how cutting-edge technologies are used to regulate temperature and optimize performance. In addition, computational fluid dynamics (CFD) studies take center stage, offering insights...

... the MULDICON wing. Originality/value The application and comparison of steady-state and dynamic loading data to quantify the unsteadiness and uncertainties of flow topology above the MULDICON wing. Vortices Flow separation Pitching moment coefficient Wind tunnel experiments CFD Blunt leading-edge...

...Jiahao Zhu; Guohua Xu; Yongjie Shi Purpose This paper aims to develop a new method of fuselage drag optimization that can obtain results faster than the conventional methods based on full computational fluid dynamics (CFD) calculations and can be used to improve the efficiency of preliminary...

.... In this study, the propeller is modeled as a disk, and the blade element method (BEM) coupled with the computational fluid dynamics (CFD)–Reynolds-averaged Navier–Stokes (RANS) solver is used to calculate propeller blade loading recursively. A direct comparison between the wing with tip-mounted propellers...

... Aerodynamic design Trim conditions Optimisation CFD From the beginning of aviation until now, aircraft are designed and built in many different configurations (Roskam and Lan, 1997 ; Gudmundsson, 2014 ; Raymer, 2018; Scholz, 2015 ; Kundu, 2019 ; Chudoba, 2019 ; Stinton, 2001). The search...

... nozzle Cylindrical protrusion Shock vector control CFD Performance A = Area (m); d = Diameter (m); F = Force (N); h = Height (m) k = Kinetic energy per mass (J/kg); L_d = Divergent length (mm...

... characteristics during manoeuvres. It was also crucial to reduce aileron forces acting on the control stick. Design/methodology/approach Numerical CFD analysis of the aileron system with modifications of sealing in the aileron gap area were performed. The effect of the caulking strip at the upper surface...

... constant. Design/methodology/approach Finding optimal wing values by using gradient-based and evolutionary algorithm methods is very time-consuming. Therefore, an artificial neural network-based surrogate model was developed. Computational fluid dynamics (CFD) analyses were carried out by using...

...Jingfeng Xie; Jun Huang; Lei Song; Jingcheng Fu; Xiaoqiang Lu Purpose The typical approach of modeling the aerodynamics of an aircraft is to develop a complete database through testing or computational fluid dynamics (CFD). The database will be huge if it has a reasonable resolution and requires...

... parameters in terms of pressure. Originality/value The main objective of this project work is to make an experimental setup to produce supersonic velocity with the readily available material in the market in a highly safe manner. CFD Oblique shock Shock tube Shockwave The software used...