7 hasil untuk "Mohammad Hassan Djavareshkian"

Experimental study of low Reynolds number effects on aerodynamics of smooth and sinusoidal leading-edge wings in the vicinity of the ground

A. A. Mehraban; Mohammad Hassan Djavareshkian

Journal of Mechanical Engineering and Sciences, Vol. 15 No. 2 · 2021 · Inggris · DOAJ Dikeluarkan Scopus 2020

Present study experimentally investigates the effects of ground clearance and Reynolds number on aerodynamic coefficients of smooth and sinusoidal leading-edge wings. Wind tunnel tests are conducted over a wide range of angles of attack from zero to 36 degrees, low Reynolds numbers of 30,000…

Enhancing Flight Control in Flying Wing UAVs: A Parametric Analysis of Notch Leading Edge Positioning

Mohammad Hossein Moghimi Esfandabadi; Mohammad Hassan Djavareshkian

International Journal of Aerospace Engineering, Vol. 2026 · 2026 · Inggris · DOAJ Scopus

Unmanned aerial vehicles (UAVs) with flying wing designs offer unique advantages in terms of maneuverability and fuel efficiency, but achieving precise control over these tailless aircraft can be challenging. This study investigates the potential of notch leading edge (NLG) technology to improve…

The Effects of Different Roughness Configurations on Aerodynamic Performance of Wind Turbine Airfoil and Blade

Kamyar Jafari; Mohammad Hassan Djavareshkian; Behzad Forouzi Feshalami

International Journal of Renewable Energy Development, Vol. 6 No. 3 · 2017 · Inggris · DOAJ Scopus

…Oct 3rd 2017; Available online How to Cite This Article: Jafari, K., Djavareshkian, M.H., Feshalami, B.H. (2017) The Effects of Different Roughness Configurations on Aerodynamic Performance of Wind Turbine Airfoil and Blade. International Journal of Renewable Energy Development, 6(3), 273-281…

Improvement of Airfoils Aerodynamic Efficiency by Thermal Camber Phenomenon at Low Reynolds Number

Ahmad Samiee; Mohammad Hassan Djavareshkian; Behzad Forouzi Feshalami dkk.

Journal of Aerospace Technology and Management, Vol. 10 · 2018 · Inggris · DOAJ Scopus

In this research, viscous, laminar and steady flow around symmetric and non-symmetric airfoils is simulated at Low Reynolds Number (LRN). Navier-Stokes (N-S) equations are discretized by Finite Volume Method (FVM) and are solved by the SIMPLE algorithm in an open source software, namely OpenFOAM…

Numerical Simulation of a Pitching Airfoil Under Dynamic Stall of Low Reynolds Number Flow

Mojtaba Honarmand; Mohammad Hassan Djavareshkian; Behzad Forouzi Feshalami dkk.

Journal of Aerospace Technology and Management, Vol. 11 No. 1 · 2019 · Inggris · DOAJ Scopus

In this research, viscous, unsteady and turbulent fluid flow is simulated numerically around pitching NACA0012 airfoil in the dynamic stall area. The Navier-Stokes equations are discretized based on the finite volume method and are solved by the PIMPLE algorithm in the open-source software, namely…

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Multifunctional Durable Superhydrophobic Nanocomposite Coatings for Enhanced Solar Panel Performance: Integrating Nanomaterials for Self-cleaning, Thermal Management, and Energy Efficiency

Osamah ABDULWAHID; Mohammad Hassan DJAVARESHKIAN; Mohammad HATAM dkk.

Medžiagotyra, Vol. 32 No. 3 · 2026 · Inggris · DOAJ Scopus

To address the environmental degradation of solar panels, we developed a durable, multifunctional nanocomposite coating. The coating integrates TiO₂, ZnO, and SiO₂ nanoparticles into a silicone resin, which is applied using a scalable spray-deposition technique to achieve self-cleaning, UV…