Sayed Tanvir Ahmed

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Sayed Tanvir Ahmed

Mechanical Engineer | Researcher

Shahjalal University of Science & Technology

Current Positions

Journal Manager – ASIDE Journals | Lead editorial operations using Open Journal Systems (OJS).
Mechanical Engineer – Professional services | Provide CFD, CAD, and FEA solutions to clients.

Seeking PhD Position

I am a prospective graduate student looking for a supervisor to guide my research in CFD, heat transfer, renewable energy, PINNs and robotics.

Interests

Computational Fluid Dynamics
Sustainable Energy (CSP, Wind)
Thermo-fluid
Bio-fluid

Education

BSc Mechanical Engineering
Shahjalal University of Science And Technology
Higher Secondary Certificate (HSC)
Notre Dame College, Mymensingh

Featured Publications

Aerodynamic Effects of Leading-Edge Flap Angle on NACA 4412 Airfoil Performance at Low Reynolds Numbers: A CFD Investigation

Aerodynamic Effects of Leading-Edge Flap Angle on NACA 4412 Airfoil Performance at Low Reynolds Numbers: A CFD Investigation

This study optimizes the NACA 4412 airfoil for wind turbine blades, finding that an 8° down flap angle improves aerodynamic efficiency by enhancing the lift-to-drag ratio by 10.7%.

Sep 29, 29290

Numerical Investigation of the Hydraulic and Thermal Performance of Plain Fin Compact Heat Exchangers with Modified Flat Tubes

Numerical Investigation of the Hydraulic and Thermal Performance of Plain Fin Compact Heat Exchangers with Modified Flat Tubes

This study shows that modified flat tubes in heat exchangers enhance thermal efficiency and reduce pressure difference, improving overall performance.

Sep 29, 29290

Thermohydraulic Performance Optimization of Solar Air Heater via Tailored Inverted L-Shaped Rib: A CFD Investigation

Thermohydraulic Performance Optimization of Solar Air Heater via Tailored Inverted L-Shaped Rib: A CFD Investigation

Ribs on a solar air heater's absorber plate enhance heat transfer by increasing turbulence and disrupting the boundary layer.

Sep 29, 29290

Investigation of Optical Efficiency of the Concentrated Solar Power System Located on the Inclined Hillside Areas

Investigation of Optical Efficiency of the Concentrated Solar Power System Located on the Inclined Hillside Areas

The study finds that an inclined V-shape heliostat layout in hillside CSP systems yields higher optical efficiency than traditional layouts across various U.S. locations.

Sep 1, 1010

Preprints (arXiv)

Effects of Trailing Edge Thickness on NACA 4412 Airfoil Performance at Low Reynolds Numbers: A CFD Analysis

Effects of Trailing Edge Thickness on NACA 4412 Airfoil Performance at Low Reynolds Numbers: A CFD Analysis

This study modifies the NACA 4412 airfoil's trailing edge thickness using CFD, finding that a 0.8% thickness offers optimal performance with improved lift and lift-to-drag ratio, while a 0.2% thickness reduces overall performance.

Sep 24, 24240

Improvement of NACA6309 Airfoil with Passive Air-Flow Control by using Trailing Edge Flap

Improvement of NACA6309 Airfoil with Passive Air-Flow Control by using Trailing Edge Flap

This study uses CFD simulations to analyze 16 configurations of the NACA6309 airfoil with trailing-edge flaps, finding that a 1° up-flap offers the best aerodynamic performance while the 10° down-flap performs the worst.

Sep 24, 24240

Featured Projects

CAD

CAD

Computer Aided Design

Sep 24, 24240

door

door

Computer Aided Design

Sep 24, 24240

Gravity Light Project

Gravity Light Project

Academic Project on Energy Conversion using Gravity

Sep 24, 24240

Python

Python

A curated collection of my Python projects demonstrating technical skills and practical applications.

Sep 24, 24240

Recent Publications

Sayed Tanvir Ahmed (2024). Effects of Trailing Edge Thickness on NACA 4412 Airfoil Performance at Low Reynolds Numbers: A CFD Analysis. arXiv.

Mahadi Hasan Shanto, Sayed Tanvir Ahmed, A K M Ashikuzzaman (2024). Improvement of NACA6309 Airfoil with Passive Air-Flow Control by using Trailing Edge Flap. arXiv.

Sayed Tanvir Ahmed, Ratul Das, Tripta Sarakr (2024). Aerodynamic Effects of Leading-Edge Flap Angle on NACA 4412 Airfoil Performance at Low Reynolds Numbers: A CFD Investigation. AIP.

Tripta Sarkar, Sayed Tanvir Ahmed, Ratul Das (2024). Numerical Investigation of the Hydraulic and Thermal Performance of Plain Fin Compact Heat Exchangers with Modified Flat Tubes. AIP.

Sayed Tanvir Ahmed, Tripta Sarkar, Ratul Das (2024). Thermohydraulic Performance Optimization of Solar Air Heater via Tailored Inverted L-Shaped Rib: A CFD Investigation. AIP.

See all publications