ASHIM CHHETRI

Mechanical engineer with interest in computational fluid dynamics

About Me

I am a motivated and research-oriented Mechanical Engineering graduate from the Institute of Engineering (IOE), Pashchimanchal Campus, Tribhuvan University, specializing in Computational Fluid Dynamics (CFD), heat transfer, and thermal system analysis.

A Registered Mechanical Engineer (Nepal Engineering Council) specializing in Computational Fluid Dynamics (CFD), aerodynamics, and renewable energy systems. Conducted a comprehensive research project titled "Design and Numerical Analysis of a Mid-Size Horizontal Axis Wind Turbine Blade for Kagbeni, Nepal," focusing on aerodynamic optimization and performance enhancement using CFD simulations. Passionate about advancing sustainable energy technologies, wind system design, and fluid–structure interaction research through computational and experimental approaches.

Education

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2021 – 2025

Bachelor of Engineering (B.E.) in Mechanical Engineering

Institute of Engineering (IOE), Pashchimanchal Campus – Tribhuvan University, Nepal

Completed a 4-year accredited program with a research thesis on "Design, numerical and experimental analysis of NREL-s series airfoil blade for mid-size HAWT in Kagbeni"

Fluid Mechanics Thermodynamics CFD Heat Transfer Strength of Materials Turbomachines
πŸ“š
2018 – 2020

Higher Secondary Education (+2 Science)

Orchid College of Science and Management, Chitwan, Nepal

Focused on advanced science and mathematics with strong academic foundation

  • Awarded Scholarship for best academic performance
  • Concentration: Physics, Chemistry, Mathematics
πŸ†
Until 2018

School Leaving Certificate (S.E.E.)

Daisy English Boarding Secondary School, Chitwan, Nepal

Strong foundation in science and mathematics with emphasis on analytical problem-solving

  • Concentration: Science, Mathematics

Technical Skills & Research Tools

πŸ”¬

CFD & Aerodynamics

ANSYS Fluent/CFX for computational fluid dynamics, turbulence modeling, flow visualization, and aerodynamic performance analysis of wind turbines and thermal systems.

ANSYS CFD Fluent Aerodynamics
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CAD & FEA Design

SolidWorks, Onshape, AutoCAD for 3D modeling and design. ANSYS Mechanical for structural analysis, stress simulation, and optimization of mechanical components.

SolidWorks AutoCAD ANSYS FEA
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Programming & Analysis

Python (intermediate), C, MATLAB (basic), OpenFOAM (basic), LaTeX. Excel data analysis, web scripting, and automation of engineering workflows.

Python MATLAB OpenFOAM Excel

Research & Projects

Mid-Size HAWT Blade (NREL-S)

Designed and analyzed mid-size horizontal axis wind turbine blade using NREL-S airfoils; CFD and FEA to evaluate aerodynamic efficiency.

CFD ANSYS Fluent Wind Energy

Wind Turbine Blade at Varying Wind Speeds

Mini research (UGC) on NREL wind turbine blade performance across wind regimes; power output, lift/drag, and tip speed ratio evaluation.

Performance Analysis CFD Energy

Battery Thermal Management (EV)

Internship project modeling nano-fluid based BTMS for EV batteries; improved heat dissipation and summarized technical recommendations.

Thermal Nano-fluids EV

Hydro-Mechanical Components

Structural analysis via ANSYS Mechanical for stress distribution, deformation, and safety factors on hydropower components.

FEA Hydro ANSYS

Wind Rotor with Winglets

Comparative CFD analysis of horizontal axis wind turbine rotors with/without winglets at varied wind speeds.

CFD Rotor Design

Blade Winglet & Aero Optimization

Evaluated lift/drag and power coefficient impacts of winglet configurations using CFD to enhance small/mid-size turbines.

Aerodynamics Optimization

Professional Experience

Research Internship - BTMS (EV)

Dec 2024 – Feb 2025 | Simulation Lab SDC (Remote)

Modeled battery thermal management using nano-fluids; improved heat dissipation and produced technical recommendations for BTMS design.

Design Internship - Hydro Components

Sep 2024 – Oct 2024 | Machhapuchhre Metal & Machinery Works

Used AutoCAD for segmented bends, plates, and sheet layouts; performed structural analysis in ANSYS to assess stress and safety factors.

Research Project - NREL Wind Turbine Blade

2024 – 2025 | IOE Paschimanchal Campus

Analyzed mid-size horizontal axis wind turbine blade performance at varying wind speeds; evaluated power output and aerodynamic coefficients.

Undergraduate Thesis - NREL-S Airfoil Blade

2022 – 2025 | IOE Paschimanchal Campus

Designed and simulated NREL-S series airfoil blade for mid-size HAWT; combined CFD and experimental work to validate aerodynamic and structural performance.

Publications

Chhetri et al. "Comparative Analysis of Horizontal Axis Wind Turbine Rotors with and without Winglet at Various Wind Speeds Using a Computational Fluid Dynamics Approach."

DOI: https://doi.org/10.3126/jes2.v4i2.86327

Chhetri, A. (2025). Design and Numerical Analysis of Mid-Size Horizontal Axis Wind Turbine Blade for Kagbeni, Nepal.

Journal of Engineering and Sciences, 4(1), 79–86.
DOI: https://doi.org/10.3126/jes2.v4i1.78278

Awards & Achievements

Registered Mechanical Engineer

Nepal Engineering Council (NEC), 2025

Passed the national engineering license examination, becoming a certified Mechanical engineer of Nepal.

Principle Researcher

Wind Turbine Design & Analysis

Led the design and performance analysis of a Mid-size NREL wind turbine blade, optimizing efficiency under varying wind speeds.

Certified SOLIDWORKS Associate (CSWA)

Professional Certification

Demonstrated ability to create parametric parts, assemblies, and detailed engineering drawings in SolidWorks.

Research Interests

Computational Fluid Dynamics (CFD) and turbulence modeling

Advanced numerical methods and turbulence models for complex flow analysis.

Fluid Mechanics and Heat transfer

Thermal management systems, convection processes, and heat exchanger design.

Aerodynamics and performance optimization

Wind turbine design, blade optimization, and aerodynamic performance enhancement.

Subsonic and Supersonic jet flows-DNS investigations

Direct numerical simulation of jet flows across transonic and supersonic regimes.

Let's Work Together

Have a project in mind? Let's create something amazing together.

Send Me a Message